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HomeMy WebLinkAboutDERR-2025-005136 P66 6556 Groundwater Monitoring Rpt. Page 1 ATLAS July 14, 2025 Ms. Hillary Mason Utah Department of Environmental Quality Division of Environmental Response and Remediation 195 North 1950 West P.O. Box 144840 Salt Lake City, UT 84114-4840 SUBJECT: Semi-Annual Groundwater Monitoring Report (May 2025) P66 #6556 North Salt Lake Products Terminal 245 East 1100 North North Salt Lake, UT Release Site KKH Facility ID 3000144 Dear Ms. Mason: The following document presents the results of semi-annual groundwater monitoring activities performed at the above referenced site May 21-23, 2025. Utah Certified Soil and Groundwater Samplers conducted all groundwater-sampling activities described in this report under the direction of a Utah Certified Consultant. INTRODUCTION AND BACKGROUND This report summarizes the May 2025 semi-annual groundwater-monitoring event conducted by Atlas Technical Consultants (Atlas) on behalf of Phillips 66 Company (P66) at the North Salt Lake Products Terminal. The Terminal is located at 245 East 1100 North, North Salt Lake, Utah, and has been assigned Division of Environmental Response and Remediation (DERR) Facility Identification #3000144 and Release Site #EKKH. The site represents the Terminal property and neighboring properties included in the monitoring program. The Terminal is a bulk storage and distribution terminal for Pioneer Pipeline, which transports gasoline, diesel, jet fuel, and fuel additives. The Terminal has been in operation at its current location since 1953. Figure 1 presents a Site Map showing site features, adjacent properties, and specific well and peizometer locations. The May 2025 monitoring event included the collection of groundwater elevation data and laboratory analyses of groundwater samples collected from the Terminal and adjacent properties. The above mentioned measurements and samples were collected from 26 monitoring wells (MW -4R, MW -5R, MW -7, MW -8, MW -9, MW -12, MW -13, MW -16, MW -19, MW -20, MW -22, MW -27, MW -28, MW -29, MW -31, MW -36, MW -37, MW -38, MW -40, MW -44, and MW -46), and five piezometers (GP-27, GP-34, GP-37, GP-40, and GP-45). Monitoring well 358 South 700 East, B518 Salt Lake City, Utah 84102 Office: 801.935.4917 www.oneatlas.com P66 6556 Groundwater Monitoring Rpt. Page 2 ATLAS MW -30 was destroyed in 2023. GP-38 was clogged with debris and was unable to be sampled. GP-37 was sampled in its place. Road base and a building were installed in the area of MW -32 and the well could not be located. MW -33 was under a roll-off dumpster and could not be sampled. For the purpose of this report, both monitoring wells and piezometers will be referred to as wells. Groundwater Field Parameter Measurements, Well Purging Procedures, and Chemical Analysis Depth to water (DTW) was measured using an oil/water interface probe. Following field measurements, each well to be sampled was purged a minimum of three well casing volumes of groundwater or until dry. The wells were then allowed to recharge to within 90% of their pre- purge volume. Groundwater samples were collected from the wells using new, factory sealed, disposable bailers. All down-hole sampling equipment was decontaminated with an Alconox wash and tap water rinse after each use. Purge water was poured on the ground and allowed to evaporate. Groundwater samples were collected in laboratory provided containers and placed on ice in an insulated cooler. The samples were shipped under documented chain-of-custody to Utah- certified Pace Analytical Laboratories for analyses of methyl t-butyl ether, benzene, toluene, ethylbenzene, xylenes, and naphthalene (MBTEXN) using USEPA Method 8260B/5030B, and TPH-GRO and TPH-DRO using USEPA Method 8015D. The laboratory results are summarized in Table 1 and a copy of the laboratory report is included in Appendix A. Discussion of Groundwater Field Parameter Results Groundwater elevations measured during the May 2025 semi-annual monitoring event were generally consistent with the historical seasonal variation. The hydraulic gradient was measured at 0.019 ft/ft between MW-13 and MW -19 and is consistent with previous monitoring events. Figure 2 presents the May 2025 groundwater table contours for the site. Free product was not measured in any of the wells during the May 2025 sampling event. Discussion of Groundwater Petroleum Hydrocarbon Chemical Analysis Results Of the 26 wells sampled, 21 contained detectable concentrations of petroleum hydrocarbons, most notably benzene, TPH-GRO, and TPH-DRO. An Iso-concentration map for benzene was generated using data interpolation methodology (refer to Figure 3). Groundwater level and volatile organic compounds (VOC) concentration vs. time graphs for monitoring wells MW -7, MW -9, MW -12, MW -16 and MW -22 are presented in Figures 4 through 8, respectively. The following impacts to groundwater were noted during the May 2025 monitoring event: • The benzene Tier 1 Screening Level of 0.3 mg/L was exceeded in four of the on-site wells sampled: MW -7 (1.350 mg/L), MW -9 (0.487 mg/L), GP-34 (0.312 mg/L), and GP- 37 (0.412 mg/L). The May 2025 laboratory results for the samples collected from the off- site monitoring wells indicated the detection of benzene above the Initial Screening Level (ISL) of 0.005 mg/L in six of the wells sampled: MW -19 (0.0118 mg/L), MW -36 (0.133 mg/L), MW -37 (0.00860 mg/L), MW -43 (0.0289 mg/L), MW -44 (0.0784 mg/L), and MW - 46 (0.507 mg/L). Concentrations in MW -31, MW -38, and MW -46 showed increases in benzene since the November 2024 sampling event; while MW -4R, MW -7, MW -8, MW -9, MW -12, MW-16, MW -19, MW -22, MW -29, MW -36, MW -37, MW -44, GP-27, GP-34, and GP-45 showed decreases. The remaining wells remained below laboratory detection P66 6556 Groundwater Monitoring Rpt. Page 3 ATLAS limits or were not sampled during either the prior or current sampling event. A comparison of the benzene concentrations from the November 2024 sampling event to the May 2025 sampling event is presented in Table 2. • The TPH-GRO Tier 1 Screening Level of 10 mg/L was exceeded in on-site monitoring well MW -7 (29.800 mg/L). The TPH-GRO ISL of 1.0 mg/L was exceeded in off-site wells MW -31 (1.160 mg/L), MW -36 (4.480 mg/L), MW -44 (1.580 mg/L), and MW -46 (4.140 mg/L). Increases in TPH-GRO concentrations were observed in MW -9, MW -36, and GP- 37; while MW -4R, MW -8, MW -12, MW-16, MW -19, MW -22, MW -28, MW-29, MW -31, MW -37, MW -44, MW -46, GP-27, GP-34, and GP-45 showed decreases. The remaining wells remained below laboratory detection limits or were not sampled during either the prior or current sampling event. A comparison of TPH-GRO concentrations from the November 2024 sampling event to the May 2025 sampling event is presented in Table 3. • The TPH-DRO Tier 1 Screening Level of 10 mg/L was not exceeded in any of the on-site monitoring wells. The ISL of 1.0 mg/L was exceeded in off-site wells MW -36 (3.580 mg/L), MW -44 (1.190 mg/L), and MW -46 (1.720 mg/L). Increases in the TPH-DRO concentration was observed in MW -8, MW -31, and MW-37; and decreases were observed in MW -4R, MW -5R, MW -7, MW -9, MW-12, MW -16, MW -19, MW -22, MW -27, MW -28, MW -29, MW -37, MW -38, MW -44, MW -46, GP-27, GP-34, GP-37, GP-40, and GP-45. The remaining wells remained below laboratory detection levels or were not sampled during either the prior or current sampling event. A comparison of TPH-DRO concentrations from the November 2024 sampling event to the May 2025 sampling event is presented in Table 4. No other petroleum hydrocarbon impacts exceeded either the Tier 1 Screening Levels or ISLs. Detectable concentrations of MBTEXN compounds were measured at multiple locations both on and offsite (see Table 1). The analytical laboratory report indicates that all of the samples submitted for analyses were received in acceptable condition. A field duplicate sample, identified as MW -7D, was collected from MW-7 to verify the laboratory's procedures and accuracy. Concentrations measured in May 2025 were consistent with historical values of MBTEXN, TPH-GRO, and TPH-DRO at these locations given the time of year and current water elevations, and the shutdown of the remediation system in December 2018. CONCLUSIONS AND RECOMMENDATIONS Results of the May 2025 groundwater monitoring event indicate the continued presence of petroleum hydrocarbon impacts to groundwater. Four of the wells on-site; MW -7, MW -9, GP-34, and GP-37 exceeded the Tier I Screening Level for benzene, and six of the off-site wells, MW - 19, MW -36, MW -37, MW -43, MW -44, and MW -46 exceeded the ISL for benzene. On-site well MW -7 exceeded the Tier 1 Screening Level for TPH-GRO, and off-site wells MW - 19, MW -29, MW-31, MW -36, MW -44, and MW -46 exceeded the ISL of 1.0 mg/L. The TPH-DRO Tier 1 Screening Level was not exceeded in any on-site wells. The ISL was exceeded in off-site wells MW -36, MW -44, and MW -46. P66 6556 Groundwater Monitoring Rpt. Page 4 ATLAS Petroleum hydrocarbon impacts appear to continue to be greatest in the vicinity of the Manifold and Valve Yard (MW -8 and MW -9), adjacent to the drainage ditch down gradient of the Truck Loading Racks (MW -7); and off-site east of the UNIVAR Facility (between MW -36 and MW -46) and furthest down gradient wells near the private residence (MW -16 and MW -19). The May 2025 data suggests decreases in concentrations exhibited during the monitoring event are in part attributable to seasonal fluctuations in the water table elevation. In late December 2018, with approval from the UDEQ, the remediation system at the site was shut down to monitor potential rebound of groundwater impacts. The sampling event in May 2025 represents the 14th groundwater sampling event since the system was shut down. Review of the data collected in May 2025 and historical groundwater data indicate that the groundwater plume has stabilized. Based upon review of the groundwater data, Atlas recommends that the groundwater remediation system remain off and that the semi-annual groundwater monitoring program continue at the site. The next semi-annual round of sampling is scheduled for November 2025. Our services consist of professional opinions and recommendations made in accordance with generally accepted geotechnical and environmental engineering principles and practices. This warranty is in lieu of all other warranties either expressed or implied. Should you have any questions, please do not hesitate to call us at (801) 935-4917. Sincerely, Atlas Technical Consultants Olaf Questereit James J. Coletta, P.G. Senior Technician Branch Manager UST Groundwater and Soil Sampler Utah Certified UST Consultant CC: Ms. Audrey Bonafede, Phillips 66 (Electronic copy) Mr. Jeremy Wood, Pioneer Pipeline (Electronic copy) Mr. Brett Estes, Pipe Fabrication & Supply Company (Electronic copy) Mr. Mark Peterson, Sinclair Oil (Electronic copy) Mr. Brad Knoles, Rocky Mountain Power (Electronic copy) Mr. Ivan Cardenas, HydroChem (Formerly Phillip Services) (Electronic copy) Mr. Ethan Tucker (Tucker Chemical) (Electronic copy) FIGURES GA S GA S GA S GA S GA S GA S GA S GAS GAS GAS GAS 1 SITE MAP P66# 6556 245 EAST 1100 NORTH NORTH SALT LAKE CITY, UTAH NORTH SALT LAKE TERMINAL REVIEWED BY: JC DRAWN BY: BA DATE: 12-30-22 PROJECT# 271EM00716 FIGURE SALT LAKE CITY, UTAH 84102 358 SOUTH 700 EAST, B518 GA S GA S GA S GA S GA S GA S GA S GAS GAS GAS GAS 2 GROUNDWATER CONTOUR MAP (5-25) P66# 6556 245 EAST 1100 NORTH NORTH SALT LAKE CITY, UTAH NORTH SALT LAKE TERMINAL REVIEWED BY: JC DRAWN BY: BA DATE: 06-25-25 PROJECT# 271EM00884 FIGURE SALT LAKE CITY, UTAH 84104 1,745' between MW-13 & MW-19 358 SOUTH 700 EAST, B518 GA S GA S GA S GA S GA S GA S GA S GAS GAS GAS GAS 3 BENZENE IN GROUNDWATER ISOCONCENTRATION MAP P66# 6556 245 EAST 1100 NORTH NORTH SALT LAKE CITY, UTAH NORTH SALT LAKE TERMINAL REVIEWED BY: JC DRAWN BY: BA DATE: 07-02-25 PROJECT# 271EM00884 FIGURE (5-25) SALT LAKE CITY, UTAH 84104 358 SOUTH 700 EAST, B518 4276 4278 4280 4282 4284 4286 0 1 10 100 Gr o u n d w a t e r L e v e l ( F e e t A M S L ) Co n c e n t r a t i o n ( m g / L ) Figure 4: MW-7 Groundwater Level and VOC Concentrations vs. Time Benzene TPH-GRO Benzene Tier 1 Screening Level TPH-GRO Tier 1 Screening Level Groundwater 4285 4286 4287 4288 4289 4290 4291 0.001 0.01 0.1 1 10 100 Gr o u n d w a t e r L e v e l ( F e e t A M S L ) Co n c e n t r a t i o n ( m g / L ) Figure 5: MW-9 Groundwater Level and VOC Concentrations vs. Time Benzene TPH-GRO Benzene Tier 1 Screening Level TPH-GRO Tier 1 Screening Level Groundwater 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 0.001 0.01 0.1 1 10 100 Gr o u n d w a t e r L e v e l ( F e e t A M S L ) Co n c e n t r a t i o n ( m g / L ) Figure 6: MW-12 Groundwater Level and VOC Concentrations vs. Time Benzene TPH-GRO Benzene Tier 1 Screening Level TPH-GRO Tier 1 Screening Level Groundwater 12/06 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 0.001 0.01 0.1 1 10 100 Gr o u n d w a t e r L e v e l ( F e e t A M S L ) Co n c e n t r a t i o n ( m g / L ) Figure 7: MW-16 Groundwater Level and VOC Concentrations vs. Time Benzene TPH-GRO Benzene Tier 1 Screening Level TPH-GRO Tier 1 Screening Level Groundwater 11/00-12/01 ,6/02 Benzene concentration 4273 4275 4277 4279 4281 4283 4285 0.001 0.01 0.1 1 10 100 1000 Gr o u n d w a t e r L e v e l ( F e e t A M S L ) Co n c e n t r a t i o n ( m g / L ) Figure 8: MW-22 Groundwater Level and VOC Concentrations vs. Time Benzene TPH-GRO Benzene Tier 1 Screening Level TPH-GRO Tier 1 Screening Level Groundwater 09/08Free product in 3/04-6/04, 3/09Benzene concentrations belowlaboratory detection limits 7/05Free product in well. TABLES TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 1 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-1 7/29/1992 <0.001 <0.005 <0.003 <0.003 NA NA NA <0.200 --- 4290.79 12/06-07/04 <0.0005 <0.0007 <0.0008 0.004J <0.001 0.0006J 0.02 NA 10.66 0.00 4282.91 4/12/2005 <0.0005 0.003J <0.0008 0.003J <0.001 0.0005J 0.02 NA 6.93 0.00 4286.64 7/14/2005 <0.0006 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 NA 9.28 0.00 4284.29 12/13/2005 NS NS NS NS NS NS NS NS 12.21 0.00 4281.36 3/22/2006 NS NS NS NS NS NS NS NS 8.99 0.00 4284.58 6/20/2006 NS NS NS NS NS NS NS NS 9.12 0.00 4284.45 10/4/2006 NS NS NS NS NS NS NS NS 10.35 0.00 4283.22 12/26/2006 NS NS NS NS NS NS NS NS 11.29 0.00 4282.28 3/13/2007 NS NS NS NS NS NS NS NS 9.34 0.00 4284.23 6/27/2007 NS NS NS NS NS NS NS NS 12.21 0.00 4281.36 MW-1 9/10/2007 NS NS NS NS NS NS NS NS 14.21 0.00 4279.36 12/11/2007 NS NS NS NS NS NS NS NS NS NS NS 3/11/2008 NS NS NS NS NS NS NS NS 8.09 0.00 4285.48 6/20/2008 NS NS NS NS NS NS NS NS NR NR NR 6/23/2009 NS NS NS NS NS NS NS NS 9.50 0.00 4284.07 3/23/2010 NS NS NS NS NS NS NS NS 10.58 0.00 4282.99 3/22/2011 NS NS NS NS NS NS NS NS 7.28 0.00 4286.29 5/14/2013 NS NS NS NS NS NS NS NS 9.52 0.00 4284.05 11/6/2013 NS NS NS NS NS NS NS NS 11.91 0.00 4281.66 5/21/2014 NS NS NS NS NS NS NS NS 9.27 0.00 4284.30 11/11/2014 NS NS NS NS NS NS NS NS 11.66 0.00 4281.91 5/11/2015 NS NS NS NS NS NS NS NS 7.90 0.00 4285.67 11/17/2015 NS NS NS NS NS NS NS NS 10.72 0.00 4282.85 5/17/2016 NS NS NS NS NS NS NS NS 8.14 0.00 4285.43 11/14/2016 NS NS NS NS NS NS NS NS 11.23 0.00 4282.34 5/15/2017 NS NS NS NS NS NS NS NS 7.50 0.00 4286.07 11/13/2017 NS NS NS NS NS NS NS NS 12.55 0.00 4281.02 5/22/2018 NS NS NS NS NS NS NS NS 9.84 0.00 4283.73 11/7/2018 NS NS NS NS NS NS NS NS 10.81 0.00 4282.76 11/19/2019 NS NS NS NS NS NS NS NS 13.61 0.00 4279.96 5/5/2020 NS NS NS NS NS NS NS NS 10.22 0.00 4283.35 11/11/2020 NS NS NS NS NS NS NS NS 13.79 0.00 4279.78 5/19/2021 NS NS NS NS NS NS NS NS 12.39 0.00 4281.18 11/2/2021 NS NS NS NS NS NS NS NS 10.25 0.00 4283.32 5/10/2022 NS NS NS NS NS NS NS NS 10.90 0.00 4282.67 11/15/2022 NS NS NS NS NS NS NS NS 10.15 0.00 4283.42 5/16/2023 NS NS NS NS NS NS NS NS 7.23 0.00 4286.34 11/14/2023 NS NS NS NS NS NS NS NS 11.90 0.00 4281.67 5/13/2024 NS NS NS NS NS NS NS NS 6.63 0.00 4286.94 11/4/2024 NS NS NS NS NS NS NS NS 12.20 0.00 4281.37 5/21/2025 NS NS NS NS NS NS NS NS 8.57 0.00 4285.00 MW-2 7/29/1992 <0.001 <.005 <0.003 <0.003 NA NA NA 0.264 6/17/1999 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 NA <0.100 8.20 0.00 4283.23 Abandoned 9/8/1999 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 NA <0.100 12.58 0.00 4278.85 (Fall 1999)12/30/1999 NS NS NS NS NS NS NS NS NR NR NR 9/29-30/04 NR NR NR MW-3 7/29/1992 <0.001 <0.005 <0.003 <0.003 NA NA NA <0.2004284 474287.26 11/29/2000 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 7.82 0.00 4279.44 12/17/2002 NS NS NS NS NS NS NS NS 11.41 0.00 4275.85 3/28/2003 NS NS NS NS NS NS NS NS 9.95 0.00 4277.31 6/19/2003 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.097 10.66 0.00 4276.60 MW-4 7/29/1992 2.190 <0.500 1.100 8.410 NA NA NA 549.00 4/12/2005 0.280 0.008 0.043 0.280 0.053 0.006 1.90 NA 6.46 0.00 4279.38 7/13/2005 0.400 0.002J 0.094 0.190 0.110 0.006 3.30 NA 8.24 0.00 4277.60 MW-4R 6/20/2006 4285.59 6/20/2006 0.810 0.017 0.620 1.900 0.230 NA 0.22 5.80 7.85 0.00 4277.74 10/4/2006 0.670 0.016 0.700 2.100 0.270 0.004 J 14 8.80 9.35 0.00 4276.24 12/26/2006 1.200 0.031 0.580 1.200 0.270 0.008 10 17 9.55 0.00 4276.04 3/13/2007 1.000 0.022 0.860 1.900 0.260 0.005 14 5.70 8.50 0.00 4277.09 6/27/2007 0.990 0.024 0.970 2.700 0.350 0.006 J 19 8.50 9.78 0.00 4275.81 9/10/2007 0.680 0.022 1.000 3.700 0.350 0.005 J 18 10 13.30 0.00 4272.29 MW-D**9/10/2007 0.790 0.022 1.100 2.400 0.370 0.005 J 17 9.40 NA NA NA 12/11/2007 0.570 0.015 0.810 2.900 0.200 0.003 J 14 11 9.65 0.00 4275.94 Well was decommissioned during April 2006 to make way for a new rail line. WELL DESTROYED Replacement well for MW-4 installed approximately 15 feet east of MW-4 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 2 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-4R 3/11/2008 1.100 0.044 0.640 1.500 0.210 0.004 J 11 4.00 7.04 0.00 4278.55 Continued 6/20/2008 2.300 0.100 1.100 1.800 0.340 0.007 J 14 8.90 9.22 0.00 4276.37 9/26/2008 1.100 0.028 0.790 0.890 0.260 0.008 J 10 6.80 15.41 0.00 4270.18 12/30/2008 0.930 0.021 J 0.730 0.970 0.200 0.009 J 6.90 7.10 15.60 0.00 4269.99 3/24/2009 0.560 <0.050 0.740 2.265 0.230 <0.050 13 6.90 12.24 0.00 4273.35 6/23/2009 0.320 0.009 0.240 0.892 0.220 <0.005 5.80 3.0 12.58 0.00 4273.01 9/22/2009 0.310 0.0057 0.43 0.483 0.19 0.0025 3.8 3.6 14.70 0.00 4270.89 12/21/2009 0.190 <0.005 0.290 0.3663 0.078 <0.005 3.2 1.5 15.85 0.00 4269.74 3/23/2010 0.270 <0.010 0.330 1.341 0.150 <0.010 7 6.4 11.23 0.00 4274.36 6/14/2010 0.170 0.0064 0.110 0.638 0.170 <0.005 4.9 3.4 9.61 0.00 4275.98 9/28/2010 0.360 0.011 0.510 0.686 0.170 0.0015 5.1 4 12.12 0.00 4273.47 12/27/2010 0.052 0.002 0.055 0.345 0.074 <0.001 1.8 1.5 7.92 0.00 4277.67 3/22/2011 0.013 <0.001 0.0021 0.0406 0.016 <0.001 0.2 0.4 8.00 0.00 4277.59 6/28/2011 0.0293 <0.001 0.0097 0.0544 0.0185 <0.001 0.250 <0.42 6.67 0.00 4278.92 9/20/2011 0.190 0.005 0.270 0.990 0.240 0.0006J 5.5 4.0 13.67 0.00 4271.92 12/13/2011 0.220 0.005J 0.300 1.000E 0.210 0.0005J 6.5 7.1 9.60 0.00 4275.99 5/8/2012 0.042 0.0008J 0.028 0.096 0.046 <0.0005 0.84 1.2 9.68 0.00 4275.91 11/6/2012 0.150 0.004J 0.250 1.110 0.210 <0.0005 5.4 7.2 12.42 0.00 4273.17 5/14/2013 0.084 0.002J 0.160 0.610 0.190 <0.0005 3.9 2.9 12.50 0.00 4273.09 11/6/2013 0.150 0.004J 0.510 0.510 0.180 <0.0005 4.0 2.600 12.46 0.00 4273.13 5/21/2014 0.039 0.002 0.190 0.770 0.200 <0.0005 5.2 3.700 9.35 0.00 4276.24 11/11/2014 0.031 0.001 0.200 0.650 0.180 <0.0005 4.8 3.700 11.74 0.00 4273.85 5/11/2015 0.003 <0.0005 0.004 0.068 0.030 <0.0005 1.1 0.870 7.93 0.00 4277.66 11/17/2015 0.012 0.0005J 0.035 0.480 0.046 <0.0005 2.70 1.400 13.31 0.00 4272.28 5/17/2016 0.004 <0.0005 0.029 0.097 0.043 <0.0005 1.30 0.680 11.47 0.00 4274.12 11/14/2016 0.030 0.0009J 0.150 0.570 0.130 <0.0005 3.6 3.000 12.93 0.00 4272.66 5/15/2017 0.022 <0.0005 <0.0005 0.027 <0.001 <0.0005 0.13 0.045J 6.76 0.00 4278.83 11/13/2017 0.033 0.0006J 0.026 0.039 0.029 <0.0005 1.70 0.960 13.68 0.00 4271.91 5/22/2018 0.009 <0.0005 0.027 0.170 0.100 <0.0005 1.90 1.400 11.58 0.00 4274.01 11/7/2018 0.0284 <0.00100 0.134 0.500 J4 0.149 <0.00100 3.73 3.57 12.09 0.00 4273.50 3/25/2019 0.00414 <0.00100 <0.00100 0.00520 <0.00500 <0.00100 0.179 0.912 4.85 0.00 4280.74 6/11/2019 0.00954 <0.00100 0.0161 0.0342 0.0203 <0.00100 1.16 0.491 6.00 0.00 4279.59 11/20/2019 0.0678 <0.0100 0.315 0.813 0.175 <0.0100 8.16 8.43 10.48 0.00 4275.11 11/20/2019 **0.0466 0.00275 0.278 0.775 0.227 <0.00100 8.24 8.31 NA NA NA 5/6/2020 0.272 0.0195 0.976 1.35 0.127 <0.0100 10.0 7.03 8.55 0.00 4277.04 11/12/2020 0.0323 0.0109 0.457 1.15 0.270 <0.0100 8.09 5.25 12.74 0.00 4272.85 5/20/2021 0.118 0.0109 0.293 0.759 0.153 <0.00100 5.23 7.89 9.88 0.00 4275.71 11/3/2021 <0.0250 <0.0250 0.427 1.33 0.243 <0.0250 8.97 7.46 9.91 0.00 4275.68 11/3/2021 **0.0139 <0.0100 0.311 0.951 0.183 <0.0100 9.42 8.25 NA NA NA 5/12/2022 <0.0250 <0.0250 0.622 2.05 0.254 <0.0250 12.0 0.883 9.70 0.00 4275.89 11/16/2022 0.0132 J 0.00723 J 0.566 1.680 0.155 J3 <0.0200 9.760 10.500 9.77 0.00 4275.82 5/17/2023 0.00606 <0.00500 0.0121 0.0755 0.0182 J <0.00500 0.527 1.600 6.36 0.00 4279.23 11/14/2023 0.0308 0.00636 J 0.616 1.530 0.323 <0.0200 9.900 7.250 9.84 0.00 4275.75 5/14/2024 0.00440 <0.00100 0.000315 J 0.0330 0.0130 <0.00100 0.267 1.210 5.66 0.00 4279.93 11/5/2024 0.0293 J <0.100 0.616 1.980 0.275 J <0.100 13.500 10.700 10.72 0.00 4274.87 5/22/2025 0.114 <0.100 0.589 1.740 0.237 C3,J <0.100 8.600 7.860 7.85 0.00 4277.74 MW-5 8/1/2000 3.100 0.110 0.890 2.100 0.160 <0.500 23.000 3.300 12.26 0.00 4271.92 4/12/2005 0.060 <0.0007 0.013 0.004J <0.001 0.0009J 1.10 NA 6.49 0.00 4280.42 MW-5R 2/4/2007 4287.00 3/13/2007 0.130 0.003 J 0.057 0.260 0.019 <0.0005 4.40 3.00 8.86 0.00 4278.14 6/27/2007 0.092 0.002 J 0.018 0.062 0.007 <0.0005 1.90 4.30 10.37 0.00 4276.63 MW-5R 9/10/2007 0.210 0.006 0.078 0.220 0.022 0.0006 J 5.60 3.70 12.15 0.00 4274.85 12/11/2007 0.250 0.011 0.016 0.110 0.007 0.0005 J 4.80 4.40 9.53 0.00 4277.47 3/11/2008 0.031 <0.0007 0.002 J 0.015 0.002 J <0.0005 1.50 1.40 7.35 0.00 4279.65 6/20/2008 0.110 .001 J 0.022 0.062 0.006 <0.0005 2.10 2.40 9.73 0.00 4277.27 9/26/2008 0.280 0.008 0.007 0.055 0.009 0.001 J 3.00 2.90 14.67 0.00 4272.33 as MW-8R 12/30/2008 0.160 0.004 J 0.015 0.003 J 0.140 0.0007 J 2.00 3.30 14.56 0.00 4272.44 3/24/2009 0.039 <0.005 0.030 0.096 0.010 <0.005 1.2 1.6 11.88 0.00 4275.12 6/23/2009 0.064 <0.005 0.056 0.160 0.018 <0.005 1.5 2.4 11.44 0.00 4275.56 9/22/2009 0.0047 <0.001 0.0078 0.00567 <0.001 <0.001 0.35 0.81 14.8 0.00 4272.20 12/21/2009 0.0029 <0.001 0.0072 0.0068 <0.001 <0.001 0.25 0.83 15.07 0.00 4271.93 3/23/2010 0.0089 <0.001 0.015 0.0433 0.005 <0.001 0.7 1.2 12.68 0.00 4274.32 6/14/2010 0.0011 <0.001 <0.001 0.0033 <0.001 <0.001 <0.1 0.14 10.36 0.00 4276.64 9/28/2010 0.0039 <0.001 0.0036 0.0049 <0.001 <0.001 0.26 0.57 13.75 0.00 4273.25 12/27/2010 0.0023 <0.001 0.0014 0.0065 <0.001 <0.001 <0.1 0.21 7.8 0.00 4279.20 3/23/2011 0.0021 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.13 NM NM NM 6/28/2011 <0.0005 <0.001 <0.001 0.00051 <0.005 <0.001 <0.20 <0.47 6.41 0.00 4280.59 9/20/2011 0.007 <0.0007 0.002J 0.005 0.004J <0.0005 0.47 1.8 NM NM NM 12/13/2011 0.003J <0.0007 0.002J 0.003J 0.001J <0.005 0.20 0.31 10.72 0.00 4276.28 5/8/2012 0.005 <0.0007 0.013 0.038 0.002J <0.0005 0.28 0.065J 10.53 0.00 4276.47 11/6/2012 0.017 0.004J 0.014 0.055 0.005J <0.0005 0.74 1.6 13.70 0.00 4273.30 5/14/2013 0.007 0.002J 0.049 0.180 0.019 <0.0005 1.60 1.5 11.88 0.00 4275.12 Well was decommissioned in February 2007 to make way for a new rail line. Replacement well for MW-5 installed approximately 5 feet east of MW-5 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 3 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-5R 11/6/2013 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.22 0.220 13.78 0.00 4273.22 Continued 5/21/2014 0.001 0.0006J 0.019 0.068 0.015 <0.0005 0.67 0.660 11.97 0.00 4275.03 11/11/2014 <0.0005 <0.0005 0.002 0.002 <0.0005 <0.0005 0.45 0.240 14.07 0.00 4272.93 5/11/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 7.24 0.00 4279.76 11/17/2015 <0.0005 <0.0005 <0.0005 0.003 0.001J <0.0005 0.60 0.330 13.72 0.00 4273.28 5/17/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.020 <0.045 8.80 0.00 4278.20 11/14/2016 0.0006J <0.0005 0.001 0.008 0.003J <0.0005 0.43 0.760 11.60 0.00 4275.40 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 6.71 0.00 4280.29 11/13/2017 <0.0005 <0.0005 <0.0005 <0.0005 0.003J <0.0005 0.130 0.110 12.68 0.00 4274.32 11/13/2017**<0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 NA NA NA 5/22/2018 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 9.23 0.00 4277.77 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.116 9.80 0.00 4277.20 3/25/2019 <0.00100 <0.00100 <0.00100 <0.00300 0.00646 <0.00100 <0.100 <0.100 5.20 0.00 4281.80 6/11/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 6.30 0.00 4280.70 11/19/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.306 11.46 0.00 4275.54 5/6/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.189 9.06 0.00 4277.94 11/12/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.127 13.53 0.00 4273.47 5/20/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.494 10.65 0.00 4276.35 11/3/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 9.54 0.00 4277.46 5/7/2022 <0.00100 <0.00100 <0.00100 <0.00300 0.0107 <0.00100 <0.100 0.152 10.74 0.00 4276.26 11/16/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 J3 <0.00100 <0.100 0.174 B 9.37 0.00 4277.63 5/17/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.0848 J 6.84 0.00 4280.16 11/14/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0855 B, J 0.224 11.06 0.00 4275.94 5/14/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.0439 J 5.96 0.00 4281.04 11/5/2024 0.000157 J <0.00100 <0.00100 0.000198 J 0.00144 J <0.00100 0.0453 J 0.345 11.64 0.00 4275.36 5/22/2025 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 C3 <0.00100 <0.100 0.0928 B,J 8.20 0.00 4278.80 MW-6 8/1/2000 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 12.42 0.00 4272.29 4287.51 11/29/2000 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 9.86 0.00 4277.65 3/20/2001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 9.00 0.00 4278.51 MW-6R 6/20/2006 4288.13 3/13/2007 < 0.0005 <0.0007 <0.0008 <0.0008 <0.001 < 0.0005 0.72 0.14 9.60 0.00 4278.53 6/27/2007 < 0.0005 <0.0007 <0.0008 <0.0008 0.001 J < 0.0005 0.11 0.046 J 10.87 0.00 4277.26 MW-6R 9/10/2007 < 0.0005 <0.0007 <0.0008 <0.0008 <0.001 < 0.0005 <0.020 0.086 J 11.85 0.00 4276.28 12/11/2007 0.0006 J <0.0005 0.002 J 0.006 <0.001 <0.0005 0.023 J 0.065 J 10.51 0.00 4277.62 3/11/2008 < 0.0005 <0.0007 <0.0008 <0.0008 <0.001 < 0.0005 <0.020 0.052 J 8.42 0.00 4279.71 6/20/2008 < 0.0005 <0.0007 <0.0008 <0.0008 <0.001 < 0.0005 <0.020 0.11 10.28 0.00 4277.85 9/26/2008 < 0.0005 <0.0007 <0.0008 <0.0008 <0.001 < 0.0005 0.024 J 0.059 J 11.71 0.00 4276.42 12/30/2008 < 0.0005 <0.0007 <0.0008 0.001 J <0.001 < 0.0005 <0.020 0.075 J 11.44 0.00 4276.69 3/24/2009 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.1 0.14 9.42 0.00 4278.71 6/23/2009 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.1 0.07 9.31 0.00 4278.82 9/22/2009 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 <0.05 11.62 0.00 4276.51 12/21/2009 <0.001 <0.001 0.0011 0.0085 <0.001 <0.001 <0.1 0.063 12.11 0.00 4276.02 3/23/2010 NS NS NS NS NS NS NS NS 11.09 0.00 4277.04 6/14/2010 NS NS NS NS NS NS NS NS 9.20 0.00 4278.93 9/28/2010 NS NS NS NS NS NS NS NS 11.63 0.00 4276.50 12/27/2010 NS NS NS NS NS NS NS NS 8.05 0.00 4280.08 3/22/2011 NS NS NS NS NS NS NS NS 7.39 0.00 4280.74 6/28/2011 NS NS NS NS NS NS NS NS 6.81 0.00 4281.32 9/20/2011 NS NS NS NS NS NS NS NS 10.78 0.00 4277.35 12/13/2011 NS NS NS NS NS NS NS NS NR NR NR 11/6/2013 NS NS NS NS NS NS NS NS 12.12 0.00 4276.01 5/11/2015 NS NS NS NS NS NS NS NS 8.80 0.00 4279.33 11/17/2015 NS NS NS NS NS NS NS NS 11.72 0.00 4276.41 11/13/2017 NS NS NS NS NS NS NS NS 12.11 0.00 4276.02 MW-7 8.300 2.200 1.400 6.600 0.320 <1.000 56.000 3.600 12.89 0.00 4275.60 4288.49 4/12/2005 4.900 1.000 1.300 6.900 0.500 0.046J 30 NA 6.67 0.00 4284.67 7/14/2005 4.200 0.800 1.300 7.900 0.500 0.043 44 NA 8.25 0.00 4283.09 12/13/2005 5.400 0.790 1.400 6.900 0.640 0.048J 37 NA 11.52 0.00 4279.82 3/22/2006 5.300 0.800 1.300 6.800 0.500 NA 38 0.73 8.20 0.00 4283.14 6/20/2006 4.500 0.690 1.200 6.100 0.500 NA 32 12 7.88 0.00 4283.46 10/4/2006 3.300 0.610 1.200 6.800 0.510 0.027 37 14 9.91 0.00 4281.43 12/26/2006 2.900 0.610 0.980 5.900 0.590 0.024 35 12 10.69 0.00 4280.65 3/13/2007 4.200 0.710 1.400 7.000 0.440 0.022 J 40 13 8.63 0.00 4282.71 6/27/2007 3.800 0.730 1.400 5.900 0.520 0.022 J 45 12 11.24 0.00 4280.10 9/10/2007 4.100 0.640 1.400 6.400 0.490 0.018 J 37 13 13.00 0.00 4278.34 12/11/2007 3.400 0.640 1.400 8.500 0.660 0.009 J 40 51 NR NR NR 3/11/2008 2.900 0.510 1.100 6.600 0.530 0.011 J 36 14 7.88 0.00 4283.46 6/20/2008 3.100 0.530 1.200 7.300 0.520 0.010 J 59 11 10.16 0.00 4281.18 9/26/2008 4.000 0.570 1.300 6.200 0.450 0.007 J 36 90 14.84 0.00 4276.50 12/30/2008 3.900 0.590 1.500 7.300 0.440 0.006 J 31 9.0 13.19 0.00 4278.15 8/2/2000 Well was decommissioned in February 2007 to make way for a new rail line. Replacement well for MW-6 installed approximately 5 feet east of MW-6 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 4 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-7 3/24/2009 4.500 0.780 1.500 7.500 0.500 <0.005 29 20 11.34 0.00 4280.00 Continued 6/23/2009 4.100 0.690 1.700 8.800 0.610 <0.005 42 6.6 11.20 0.00 4277.29 9/22/2009 5.400 0.780 1.500 6.500 0.510 0.0031 42 4.7 14.19 0.00 4274.30 12/21/2009 5.100 0.710 1.500 6.400 0.450 <0.050 1.9 5.4 12.91 0.00 4275.58 3/23/2010 6.800 0.820 1.700 7.600 0.450 <0.050 41 7.2 12.10 0.00 4276.39 6/14/2010 4.000 0.520 1.100 4.770 0.380 <0.020 36 6.7 11.14 0.00 4277.35 9/28/2010 5.200 0.760 1.600 6.520 0.820 <0.100 32 11 12.85 0.00 4275.64 12/27/2010 4.300 0.620 1.400 5.990 0.490 <0.100 35 37 9.18 0.00 4279.31 3/22/2011 3.000 0.450 1.300 6.980 0.510 <0.001 30 7 9.84 0.00 4278.65 6/28/2011 3.050 0.450 1.330 6.030 0.501 <0.001 24.8 5.02 6.97 0.00 4281.52 6/28/11**3.070 0.450 1.330 6.070 0.527 <0.001 25.1 5.35 NM NM NM 9/20/2011 2.800 0.550 1.4000 5.8000 0.600 0.001J 29 9.7 12.57 0.00 4275.92 12/13/2011 1.900 0.450 0.9000 4.5000 0.400 <0.003 25 9.0 10.80 0.00 4277.69 5/8/2012 2.300 0.690 1.4000 6.2000 0.260 0.001J 24 7.2 10.53 0.00 4277.96 11/6/2012 3.800 0.470 1.3000 5.7000 0.430 0.008J 29 8.2 11.65 0.00 4276.84 5/14/2013 2.400 0.310 1.0000 4.900 0.490 <0.001 24 12 11.17 0.00 4277.32 11/6/2013 3.300 0.410 1.4000 6.000 0.560 <0.003 36 5.800 13.15 0.00 4275.34 5/21/2014 2.200 0.420 1.1000 5.300 0.350 <0.001 24 6.400 11.47 0.00 4277.02 11/11/2014 2.600 0.570 1.5000 6.100 0.520 <0.005 27 11.000 13.09 0.00 4275.40 5/11/2015 1.100 0.250 0.8400 4.000 0.230 <0.0005 16 6.700 9.82 0.00 4278.67 11/17/2015 1.700 0.320 1.4000 6.800 0.540 <0.003 32 4.300 12.51 0.00 4275.98 5/17/2016 0.820 0.250 0.860 4.200 0.260 0.0006J 23 5.600 10.31 0.00 4278.18 11/14/2016 1.100 0.350 1.400 7.000 0.400 <0.0005 30 5.600 13.00 0.00 4275.49 5/15/2017 1.000 0.310 1.000 5.100 0.240 <0.003 20 4.900 7.58 0.00 4280.91 11/13/2017 0.910 0.220 1.200 5.500 0.330 <0.003 26 6.700 12.43 0.00 4276.06 5/22/2018 0.520 0.150 1.100 6.200 0.390 <0.003 21 5.500 10.42 0.00 4278.07 11/7/2018 0.433 0.152 1.15 4.92 <0.500 <1.00 24.1 32.2 11.39 0.00 4277.10 3/25/2019 0.432 0.184 0.897 4.16 0.337 <0.0100 25.3 6.81 6.44 0.00 4282.05 6/11/2019 0.324 0.140 0.843 3.13 0.371 <0.0200 26.3 8.19 6.86 0.00 4281.63 11/19/2019 1.66 0.337 1.82 6.49 0.436 <0.0200 40.4 8.59 12.85 0.00 4275.64 5/6/2020 2.41 0.225 1.88 4.05 0.603 <0.0100 30.8 8.15 10.31 0.00 4278.18 5/6/2020 **1.73 0.219 <0.0100 0.165 0.535 <0.0100 29.0 6.37 NA NA NA 11/12/2020 2.90 0.236 1.99 4.55 0.531 <0.0500 29.6 5.85 14.21 0.00 4274.28 5/20/2021 2.31 0.193 1.90 5.44 0.581 <0.0200 29.1 11.2 11.37 0.00 4277.12 05/20/2021**1.63 0.151 1.58 5.99 0.460 <0.0100 28.7 10.1 NA NA NA 11/3/2021 2.63 0.233 2.29 5.78 0.638 <0.0200 43.1 9.22 11.01 0.00 4277.48 5/12/2022 2.45 0.217 1.87 5.18 0.623 <0.0200 33.8 9.27 11.61 0.00 4276.88 11/16/2022 2.610 0.247 2.240 5.230 0.474 J3 <0.0500 37.200 12.200 10.89 0.00 4277.60 11/16/2022**2.830 0.281 2.500 5.760 0.515 J3 <0.0500 39.100 11.500 NA NA NA 5/17/2023 2.130 0.215 2.030 5.390 0.539 <0.0500 22.400 8.140 7.28 0.00 4281.21 11/14/2023 2.880 0.272 J3 2.820 J3 7.250 J3 0.559 J3 <0.0500 J3 35.400 7.880 12.01 0.00 4276.48 5/24/2024 1.940 0.217 1.960 4.510 0.494 <0.0500 30.700 10.300 6.90 0.00 4281.59 11/5/2024 1.950 0.210 2.120 4.950 0.575 <0.0500 22.400 9.160 12.94 0.00 4275.55 11/5/2024**1.790 0.192 1.890 4.400 0.532 <0.0500 29.800 8.860 NA NA NA 5/22/2025 1.440 0.192 J 1.900 4.360 0.546 C3, J <0.250 21.500 8.010 B 8.99 0.00 4279.50 05/22/2025**1.350 0.168 1.700 3.660 0.478 C3 <0.0500 22.900 8.060 NA NA NA MW-8 8/2/2000 3.000 0.420 1.100 5.200 0.370 <0.500 34.000 100.000 8.26 0.00 4281.81 4292.81 11/29/2000 1.100 0.370 0.940 5.300 0.340 <0.250 37.000 8.200 6.45 0.00 4286.36 3/21/2001 0.790 0.230 0.810 4.400 0.360 <1.000 24.000 31.000 4.85 0.00 4287.96 6/18/2001 0.750 0.220 0.770 4.500 0.250 <0.500 24.000 50.000 5.80 0.00 4287.01 9/18/2001 1.300 0.250 0.860 4.900 0.380 <0500 19.000 13.000 7.68 0.00 4285.13 6/26/2002 1.000 0.170 0.710 4.300 <0.100 <0.500 36.000 57.000 7.17 0.00 4285.64 6/19/2003 1.400 0.150 0.690 4.000 0.290 <0.005 19.000 60.000 6.70 0.00 4286.11 3/30/2004 FP FP FP FP FP FP FP FP 4.39 0.36 4288.42 9/29-30/04 FP FP FP FP FP FP FP FP 8.89 0.08 4283.98 12/06-07/04 0.490 0.054 0.560 3.800 0.340 <0.001 18.00 13.00 5.99 0.00 4286.82 4/12/2005 0.420 0.043 0.620 3.300 0.320 <0.0005 15.00 NA 3.85 0.01 4288.97 7/14/2005 0.280 0.002J 0.006 0.011 0.017 0.002J 1.60 NA 5.80 0.00 4287.01 12/13/2005 0.630 0.035 0.560 2.700 0.400 0.005J 17.00 NA 6.94 0.00 4285.87 9/10/2007 NS NS NS NS NS NS NS NS NR NR NR 12/11/2007 NS NS NS NS NS NS NS NS NR NR NR 3/11/2008 NS NS NS NS NS NS NS NS 5.02 0.02 4287.79 6/20/2008 0.430 0.026 0.730 2.700 0.350 <0.001 15 20 6.44 0.00 4286.37 9/26/2008 0.510 0.029 0.570 2.300 0.260 0.002 J 15 16 7.91 0.00 4284.90 12/30/2008 1.400 0.170 0.510 2.600 0.240 <0.001 16 15 5.74 0.00 4287.07 3/24/2009 2.300 0.450 0.540 1.870 0.220 <0.005 24 8.4 6.00 0.00 4286.81 6/23/2009 5.500 2.000 0.740 2.760 0.310 <0.005 28 6.4 5.45 0.00 4287.36 9/22/2009 3.600 1.300 0.600 1.980 0.280 <0.001 25 4.0 6.33 0.00 4286.48 12/21/2009 2.900 1.100 0.480 1.650 0.180 <0.020 22 6.6 5.15 0.00 4287.66 3/23/2010 3.300 1.400 0.630 2.060 0.330 <0.050 25 4.6 5.14 0.00 4287.67 6/14/2010 3.100 1.300 0.530 1.660 0.260 <0.020 24 5.8 4.82 0.00 4287.99 9/28/2010 2.500 0.490 0.600 1.770 0.270 <0.005 18 4.0 6.18 0.00 4286.63 12/27/2010 2.700 0.590 0.550 1.540 0.190 <0.020 20 4.1 4.66 0.00 4288.15 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 5 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-8 3/22/2011 2.100 0.320 0.680 2.250 0.290 <0.01 19 3.9 4.19 0.00 4288.62 Continued 6/28/2011 1.500 0.165 0.549 1.580 0.287 <0.001 12.6 5.18 4.26 0.00 4288.55 9/20/2011 1.700 0.170 0.580 1.5000 0.350 <0.001 15 7.0 6.15 0.00 4286.66 12/13/2011 1.500 0.160 0.550 1.5000 0.260 <0.001 17 11 5.86 0.00 4286.95 5/8/2012 1.300 0.170 0.590 1.6000 0.330 <0.001 13 11 5.08 0.00 4287.73 11/6/2012 1.300 0.150 0.710 2.0000 0.390 <0.001 30 140 5.85 0.00 4286.96 5/14/2013 0.960 0.160 0.600 1.300 0.330 <0.005 13 5.300 5.59 0.00 4287.22 11/6/2013 0.870 0.120 0.500 1.000 0.270 <0.001 9.7 4.400 6.30 0.00 4286.51 5/21/2014 0.850 0.130 0.590 1.200 0.270 <0.001 12 8.200 5.34 0.00 4287.47 11/11/2014 0.790 0.140 0.590 0.910 0.350 <0.0005 11 5.400 6.29 0.00 4286.52 5/11/2015 0.660 0.099 0.620 0.980 0.290 <0.0005 11 4.500 4.32 0.00 4288.49 11/17/2015 0.450 0.067 0.450 0.690 0.240 <0.005 11 4.000 6.11 0.00 4286.70 5/17/2016 0.340 0.043 0.450 0.700 0.250 <0.001 12 4.500 4.28 0.00 4288.53 11/14/2016 0.380 0.033 0.230 0.280 0.270 <0.003 7.2 4.400 6.92 0.00 4285.89 5/15/2017 0.350 0.041 0.460 0.590 0.280 <0.001 9.3 4.100 7.58 0.00 4285.23 11/13/2017 0.320 0.023 0.160 0.240 0.160 <0.0005 7.0 8.500 8.13 0.00 4284.68 5/22/2018 0.350 0.013 0.290 0.300 0.250 <0.001 7.3 30.000 5.46 0.00 4287.35 11/7/2018 0.442 0.0190 0.381 0.458 J4 0.336 <0.00500 10.4 17.5 6.71 0.00 4286.10 3/25/2019 0.414 0.0137 0.306 0.388 0.227 <0.0500 8.51 6.93 4.19 0.00 4288.62 3/25/2019**0.432 <0.0500 0.299 0.397 0.261 <0.0500 8.15 7.81 NA NA NA 6/10/2019 0.395 <0.0500 0.221 0.340 0.349 <0.0500 10.5 14.6 4.40 0.00 4288.41 11/19/2019 0.526 0.0276 0.132 0.218 0.244 <0.0200 8.55 7.52 8.86 0.00 4283.95 5/6/2020 0.439 0.0149 0.239 0.261 0.351 <0.0100 8.47 6.54 6.51 0.00 4286.30 11/12/2020 0.523 0.0270 0.105 0.138 0.311 <0.0200 6.83 4.15 8.79 0.00 4284.02 5/20/2021 0.576 0.0160 0.121 0.137 0.237 <0.00100 3.87 8.88 6.64 0.00 4286.17 11/3/2021 0.473 0.0208 0.197 0.134 0.331 <0.0200 5.79 6.58 4.89 0.00 4287.92 5/12/2022 0.303 <0.0200 0.136 0.0817 0.246 <0.0200 5.47 4.41 6.50 0.00 4286.31 5/12/2022**0.325 0.0126 0.153 0.0947 0.193 <0.00100 4.27 4.48 NA NA NA 11/16/2022 0.372 0.0149 0.137 0.106 0.249 J3 <0.0100 5.650 7.790 5.32 0.00 4287.49 5/17/2023 0.452 0.0137 0.0943 0.0927 0.277 <0.0100 4.950 5.870 4.61 0.00 4288.20 5/17/2023**0.484 0.0145 0.0993 0.0973 0.337 <0.0100 5.210 5.600 NA NA NA 11/14/2023 0.414 0.0182 0.0943 0.0902 0.335 <0.0100 5.660 3.860 6.87 0.00 4285.94 5/14/2024 0.423 0.0117 0.126 0.0887 0.346 <0.0100 5.960 5.580 4.48 0.00 4288.33 5/14/2024 **0.451 0.0127 0.145 0.0992 0.346 <0.0100 5.590 3.660 NA NA NA 11/5/2024 0.502 0.0157 0.0313 0.0486 0.315 <0.0100 5.850 6.070 7.70 0.00 4285.11 5/22/2025 0.266 0.00941 J 0.136 0.0848 0.196 C3 <0.0100 4.490 6.850 5.13 0.00 4287.68 MW-9 8/2/2000 6.200 <0.200 0.550 0.680 0.380 <1.000 22.000 10.000 10.89 0.00 4283.90 4294.79 8/29/2000 NS NS NS NS NS NS NS NS 11.68 0.00 4283.11 4297.53 11/29/2000 4.800 <0.130 1.100 0.490 0.380 <0.670 25.000 2.400 9.55 0.00 4287.98 3/21/2001 0.380 <0.040 0.150 0.091 0.080 <0.200 2.600 .620 7.70 0.00 4289.83 6/18/2001 2.800 <0.200 1.000 0.510 0.470 <1.000 16.000 1.800 8.89 0.00 4288.64 9/18/2001 4.800 <0.100 0.650 0.490 0.440 <0.500 16.000 1.500 10.54 0.00 4286.99 12/11/2001 3.000 <0.100 0.720 0.400 0.290 <0.500 11.000 2.400 8.03 0.00 4289.50 3/5/2002 3.400 <0.200 0.620 0.370 0.370 <1.000 15.000 2.00 9.32 0.00 4288.21 6/24/2002 4.600 <0.200 0.390 0.280 0.450 <1.000 22.000 2.100 9.72 0.00 4287.81 9/24/2002 3.200 <0.100 0.610 0.310 0.340 <0.500 15.000 2.000 9.97 0.00 4287.56 12/17/2002 3.100 <0.050 0.340 0.240 0.360 <0.500 11.000 2.10 9.76 0.00 4287.77 3/25/2003 2.400 <0.025 0.350 0.190 0.370 <0.025 8.900 3.200 9.38 0.00 4288.15 6/18/2003 0.550 0.007 0.048 0.099 0.200 <0.005 3.900 2.400 8.86 0.00 4288.67 9/9/2003 0.900 0.014 0.074 0.320 0.290 0.008 5.000 3.100 12.02 0.00 4285.51 1/7/2004 0.120 0.001 J 0.009 0.056 0.034 0.0009 J 2.40 1.30 7.59 0.00 4289.94 3/30/2004 0.190 J 0.001 J 0.008 0.022 0.011 0.002 J 2.10 1.30 7.54 0.00 4289.99 6/12/2004 0.150 0.001J 0.006 0.006 0.008 0.002J 1.10 NA 7.52 0.00 4290.01 9/29-30/04 0.190 0.005J 0.006J 0.022 0.017 0.002J 1.40 NA 10.96 0.00 4286.57 9/29-30/04 **0.210 0.003J 0.007J 0.025 0.023 0.002J 1.10 NA NA NA NA 12/06-07/04 0.580 0.007 0.032 0.057 0.061 0.005J 3.20 1.900 9.01 0.00 4288.52 4/12/2005 0.700 0.011 0.006 0.046 0.096 0.006 2.60 NA 7.09 0.00 4290.44 7/14/2005 0.390 0.039 0.290 1.600 0.320 <0.001 21.00 NA 9.29 0.00 4288.24 12/13/2005 0.930 0.012 0.020 0.074 0.150 0.007J 4.50 NA 9.75 0.00 4287.78 3/22/2006 0.340 0.005 0.028 0.084 0.060 NA 3.60 2.40 6.81 0.00 4290.72 6/20/2006 0.390 0.005 0.027 0.062 0.057 NA 2.50 2.60 8.91 0.00 4288.62 10/4/2006 0.280 0.004 J 0.026 0.087 0.057 0.002 J 3.00 2.40 9.44 0.00 4288.09 12/26/2006 0.380 0.006 0.028 0.130 0.110 0.002 J 5.00 2.70 9.56 0.00 4287.97 12/26/2006**0.390 0.007 0.029 0.130 0.120 0.002 J 4.80 3.00 9.56 0.00 4287.97 3/13/2007 0.930 0.002 J 0.063 0.100 0.029 0.0007 J 2.70 2.50 8.53 0.00 4289.00 6/27/2007 0.260 0.005 0.040 0.087 0.082 0.001 J 3.00 2.60 9.66 0.00 4287.87 MW-9 9/10/2007 0.100 0.002 J 0.020 0.033 0.036 <0.0005 3.60 2.10 10.09 0.00 4287.44 12/11/2007 0.140 0.003 J 0.020 0.072 0.480 0.0006 J 2.60 1.80 9.81 0.00 4287.72 3/11/2008 0.071 0.001 J 0.044 0.078 0.029 0.0007 J 2.40 1.40 8.37 0.00 4289.16 6/20/2008 0.380 0.007 0.066 0.120 0.120 .003 J 3.60 2.70 9.63 0.00 4287.90 9/26/2008 0.100 0.001 J 0.005 J 0.058 0.033 0.0008 J 1.70 1.70 10.19 0.00 4287.34 12/30/2008 0.260 0.004 J 0.007 0.053 0.059 0.002 J 1.90 2.30 8.99 0.00 4288.54 3/24/2009 0.250 0.0056 0.026 0.0671 0.079 <0.005 2.90 2.60 9.01 0.00 4288.52 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 6 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-9 6/23/2009 0.130 <0.005 0.047 0.1060 0.091 <0.005 3.0 1.8 8.82 0.00 4288.71 Continued 9/22/2009 0.028 0.0012 0.019 0.0319 0.018 <0.001 2.0 1.3 9.24 0.00 4288.29 12/21/2009 0.120 0.0044 0.023 0.0921 0.083 <0.001 1.6 2.1 8.23 0.00 4289.30 3/23/2010 0.040 0.0027 0.062 0.171 0.077 <0.001 3.0 2.2 8.42 0.00 4289.11 6/14/2010 0.052 0.0038 0.057 0.161 0.088 <0.001 2.7 2.5 8.17 0.00 4289.36 9/28/2010 0.045 0.0024 0.034 0.130 0.051 <0.001 2.8 1.3 9.03 0.00 4288.50 12/27/2010 0.014 0.001 0.011 0.0398 0.027 <0.001 2.1 0.99 7.36 0.00 4290.17 3/22/2011 0.0072 <0.001 0.016 <0.001 0.029 <0.001 1.5 0.87 7.01 0.00 4290.52 6/28/2011 0.0084 <0.001 0.0037 0.0065 0.0085 <0.001 0.867 0.672 7.28 0.00 4290.25 9/20/2011 0.091 0.004J 0.015 0.120 0.210 <0.0005 3.2 2.8 9.08 0.00 4288.45 12/13/2011 0.032 0.002J 0.013 0.069 0.078 <0.0005 3.4 1.8 8.98 0.00 4288.55 5/8/2012 0.022 0.001J 0.022 0.085 0.076 <0.0005 1.8 1.5 8.10 0.00 4289.43 11/6/2012 0.097 0.003J 0.010 0.018 0.100 <0.0005 2.4 2.5 8.94 0.00 4288.59 5/14/2013 0.029 0.0008J 0.008 0.012 0.044 <0.0005 2.1 1.3 8.55 0.00 4288.98 11/6/2013 0.012 <0.0007 0.004J 0.023 0.100 <0.0005 2.4 1.700 9.12 0.00 4288.41 5/21/2014 0.011 0.0008J 0.011 0.042 0.077 <0.0005 2.7 1.800 8.21 0.00 4289.32 11/11/2014 0.007 0.0006J 0.007 0.046 0.071 <0.0005 1.8 1.200 9.06 0.00 4288.47 5/11/2015 0.002 <0.005 0.008 0.037 0.042 <0.0005 2.7 1.300 6.92 0.00 4290.61 11/17/2015 0.011 0.0007J 0.003 0.051 0.089 <0.0005 2.7 1.500 8.99 0.00 4288.54 5/17/2016 0.007 <0.0005 0.007 0.043 0.029 <0.0005 2.4 1.000 6.84 0.00 4290.69 11/14/2016 0.140 0.002 0.010 0.180 0.073 <0.0005 2.8 1.600 10.13 0.00 4287.40 5/15/2017 0.030 <0.0005 <0.0005 0.0009J 0.005 <0.0005 0.34 0.170 8.28 0.00 4289.25 11/13/2017 0.380 0.003 0.004 0.059 0.110 0.001J 3.1 1.900 10.95 0.00 4286.58 5/22/2018 0.160 0.001 0.021 0.053 0.029 <0.0005 1.9 0.980 9.18 0.00 4288.35 11/7/2018 0.0927 <0.00100 0.0146 0.0604 0.0676 <0.00100 2.56 2.13 10.10 0.00 4287.43 3/25/2019 0.00297 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.105 0.415 6.92 0.00 4290.61 6/10/2019 0.00801 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.107 0.352 7.40 0.00 4290.13 11/19/2019 1.11 <0.0500 <0.0500 <0.150 <0.250 <0.0500 7.14 5.08 11.33 0.00 4286.20 5/6/2020 0.698 0.00490 0.0171 0.0665 0.187 <0.00100 4.87 4.84 9.73 0.00 4287.80 11/12/2020 1.09 <0.0500 <0.0500 <0.150 <0.250 <0.0500 9.35 4.47 10.62 0.00 4286.91 5/20/2021 0.761 0.00406 0.00739 0.0358 0.0725 <0.00100 2.98 4.42 9.28 0.00 4288.25 11/3/2021 0.791 <0.0200 <0.0200 0.0618 <0.100 <0.0200 4.93 4.41 8.93 0.00 4288.60 5/12/2022 1.12 <0.0200 <0.0200 0.108 <0.100 <0.0200 6.43 5.47 9.51 0.00 4288.02 11/16/2022 1.050 0.00694 J 0.0172 J 0.181 0.125 J3 <0.0200 5.080 5.020 8.52 0.00 4289.01 5/17/2023 0.400 <0.0200 0.00314 J 0.0211 J 0.0456 J <0.0200 1.490 2.130 7.86 0.00 4289.67 11/14/2023 0.812 0.00592 J 0.00450 J 0.0640 0.0567 J <0.0200 4.650 3.620 9.87 0.00 4287.66 5/14/2024 0.0800 <0.00500 0.00350 J 0.00793 J 0.00730 J <0.00500 0.841 1.330 7.10 0.00 4290.43 11/5/2024 0.742 0.00500 0.00600 0.0680 0.0182 J <0.00500 3.950 4.020 9.72 0.00 4287.81 5/22/2025 0.487 0.00341 J 0.0235 0.0938 0.0268 C3,J <0.0100 4.090 3.930 8.05 0.00 4289.48 MW-10 8/1/2000 <0.001 <0.001 <0.001 <0.001 0.0016 <0.005 <0.025 <0.250 32.80 0.00 4270.36 3/28/2003 NS NS NS NS NS NS NS NS 36.08 0.00 4269.96 7/6/2005 NS NS NS NS NS NS NS NS 36.68 0.00 4269.36 9/26/2008 NS NS NS NS NS NS NS NS NR NR NR 3/22/2011 NS NS NS NS NS NS NS NS 32.51 0.00 4273.53 MW-11 8/1/2000 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 29.64 0.00 4272.724305 07 <0 001 <0 001 <0 001 <0 001 <0 001 <0 005 <0 025 <0 250 32 22 0 00 4272 854/12/2005 NS NS NS NS NS NS NS NS 36.20 0.00 4268.87 7/6/2005 NS NS NS NS NS NS NS NS 36.24 0.00 4268.83 9/26/2008 NS NS NS NS NS NS NS NS NR NR NR 3/22/2011 NS NS NS NS NS NS NS NS 36.33 0.00 4268.74 MW-12 8/2/2000 2.400 0.130 <0.100 <0.100 <0.100 <0.500 8.4 0.69 13.03 0.00 4268.76 4281.79 8/29/2000 NS NS NS NS NS NS NS NS 13.53 0.00 4268.26 4284.48 11/28/2000 2.800 0.120 <0.100 <0.100 0.130 <0.500 14 1.200 11.74 0.00 4272.74 3/21/2001 2.300 0.110 <0.100 <0.200 <0.100 <0.500 6.9 1.200 9.43 0.00 4275.05 6/19/2001 2.400 <0.200 <0.200 <0.200 <0.200 <1.000 9.1 1.000 10.37 0.00 4274.11 9/19/2001 2.300 0.100 <0.050 0.081 <0.050 <0.250 9.1 1.200 12.98 0.00 4271.50 12/12/2001 2.500 0.120 <0.100 <0.100 <0.100 <0.500 9.4 1.800 10.77 0.00 4273.71 3/6/2002 2.600 0.130 <0.067 0.140 <0.067 <0.330 10.0 1.700 10.65 0.00 4273.83 6/25/2002 2.500 0.110 <0.050 0.120 <0.050 <0.250 22.0 1.900 10.49 0.00 4273.99 9/25/2002 2.500 0.140 <0.067 0.160 <0.067 <0.330 11.0 2.100 13.62 0.00 4270.86 12/18/2002 2.500 <0.200 <0.200 <0.200 <0.200 <1.000 10.0 1.800 13.90 0.00 4270.58 3/27/2003 2.300 0.110 0.037 0.135 <0.020 <0.020 7.3 4.500 12.07 0.00 4272.41 6/23/2003 2.500 0.120 0.049 0.161 0.014 <0.005 7.3 4.300 12.67 0.00 4271.81 9/11/2003 2.300 0.120 0.049 0.152 <0.025 <0.025 9.2 5.300 14.50 0.00 4269.98 1/7/2004 2.600 0.180 0.060 0.230 0.020 <0.001 14 4.60 11.57 0.00 4272.91 3/30/2004 1.700 0.110 0.027 0.130 0.010 J <0.001 7.0 3.70 8.89 0.00 4275.59 6/12/2004 2.400 0.160 0.055 0.180 0.020J <0.002 9.9 NA 10.44 0.00 4274.04 9/29-30/04 2.400 0.180 0.036 0.210 0.020J <0.003 9.3 NA 13.65 0.00 4270.83 12/06-07/04 3.000 0.200 0.050 0.240 0.023 <0.001 11 5.40 11.51 0.00 4272.97 4/12/2005 3.500 0.180 0.037 0.240 0.027 <0.003 9.9 NA 7.77 0.00 4276.71 7/6/2005 3.300 0.064 0.055 0.100 0.018 <0.003 13 NA 9.00 0.00 4275.48 12/13/2005 4.800 0.200 0.120 0.360 0.043J <0.005 13 NA 12.85 0.00 4271.63 3/22/2006 3.100 0.170 0.067 0.330 0.028 NA 11 0.87 8.97 0.00 4275.51 6/20/2006 4.000 0.150 0.063 0.320 0.032 NA 9.5 4.5 8.76 0.00 4275.72 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 7 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-12 10/4/2006 5.200 0.200 0.110 0.450 0.046 < 0.005 18 5.7 11.63 0.00 4272.85 Continued 12/26/2006 5.700 0.200 0.110 0.470 0.052 <0.003 18 6.9 NR NR NR 3/13/2007 4.900 0.180 0.094 0.380 0.049 J < 0.005 17 3.7 9.73 0.00 4274.75 6/27/2007 4.800 0.130 0.015 J 0.420 0.017 J < 0.0005 18 4.5 12.06 0.00 4272.42 MW-12 9/10/2007 5.800 0.220 0.150 0.560 0.080 0.003 J 18 5.0 13.69 0.00 4270.79 12/11/2007 5.900 0.190 0.097 0.450 0.072 0.004 J 17 5.2 11.84 0.00 4272.64 3/11/2008 4.900 0.170 0.091 0.370 0.057 0.004 J 17 5.6 8.53 0.00 4275.95 6/20/2008 6.100 0.180 0.120 0.460 0.089 < 0.0005 16 8.6 10.95 0.00 4273.53 9/26/2008 5.600 0.120 0.100 0.430 0.089 0.006 J 17 5.2 14.16 0.00 4270.32 12/31/2008 5.300 0.120 0.110 0.430 0.110 0.006 13 4.6 13.41 0.00 4271.07 12/31/2008**5.100 0.120 0.100 0.420 0.100 0.006 13 4.9 NA NA NM 3/24/2009 6.300 <0.5 <0.5 <0.5 <0.5 <0.5 12 5.1 10.46 0.00 4274.02 6/23/2009 5.800 0.150 J 0.170 J 0.500 J 0.130 J <0.005 18 4.0 10.96 0.00 4273.52 9/22/2009 5.400 0.099 0.120 0.396 0.130 0.0074 15 3.5 14.06 0.00 4270.42 12/21/2009 4.300 0.071 0.100 0.333 0.130 <0.050 14 3.4 14.10 0.00 4270.38 12/21/2009**3.800 0.056 0.053 0.256 0.062 0.0071 J 14 3.6 NA NA NM 3/23/2010 5.000 0.100 0.055 0.312 0.078 <0.050 17 5.5 11.41 0.00 4273.07 6/14/2010 5.100 0.096 0.049 0.319 0.100 0.0073 14 4.3 9.93 0.00 4274.55 9/28/2010 4.100 <0.100 <0.100 0.260 0.110 <0.100 9.5 3.1 13.23 0.00 4268.56 12/27/2010 3.000 0.045 0.021 0.150 0.059 <0.020 10 2.0 8.55 0.00 4273.24 12/27/2010**3.300 0.052 0.028 0.188 0.100 0.0068 12 1.9 NA NA NA 3/22/2011 3.500 0.076 0.036 0.281 0.140 0.0083 14 2.5 7.99 0.00 4273.80 6/28/2011 3.500 0.0817 0.0422 0.284 0.138 0.0089 12.6 2.32 6.90 0.00 4274.89 9/20/2011 4.100 0.065 0.035 0.290 0.140 0.009J 12 6.4 12.29 0.00 4269.50 12/13/2011 3.100 0.041 0.026J 0.170 0.100 0.008J 10 6.0 12.05 0.00 4269.74 5/8/2012 3.200 0.056 0.030 0.230 0.120 0.009J 9.1 6.6 9.61 0.00 4272.18 11/6/2012 3.400 0.044 0.039 0.240 0.150 0.008J 9.2 6.9 13.29 0.00 4268.50 5/14/2013 3.600 0.055 0.033 0.220 0.150 0.010J 12 3.0 10.28 0.00 4271.51 5/14/2013**3.700 0.064 0.039 0.260 0.160 0.009 12 3.1 NA NA NA 11/6/2013 4.600 0.049 0.030 0.260 0.160 0.010J 13 2.800 13.87 0.00 4267.92 11/6/2013**4.500 0.050 0.031 0.260 0.160 0.011J 13 2.900 NA NA NA 5/21/2014 3.800 0.043 0.025 0.190 0.100 0.008 11 2.700 10.59 0.00 4271.20 5/21/2014**4.200 0.049 0.030 0.220 0.120 0.009 11 2.700 NA NA NA 11/11/2014 3.200 0.026 0.026 0.190 0.170 0.009 9.8 2.600 12.98 0.00 4268.81 11/11/2014**4.100 0.027 0.025 0.180 0.160 0.009 11 2.800 NA NA NA 5/11/2015 3.100 0.011 0.013 0.052 0.140 0.01 8.5 2.200 9.16 0.00 4272.63 11/17/2015 3.200 0.006 0.011 0.052 0.130 0.010 10 2.000 12.96 0.00 4268.83 5/17/2016 2.700 0.004 0.008 0.027 0.066 0.009 8.4 2.200 9.42 0.00 4272.37 11/14/2016 2.400 <0.001 <0.001 0.013J 0.049J <0.001 6.4 2.100 12.33 0.00 4269.46 5/15/2017 2.200 0.003J 0.005 0.014 0.043 0.008 7.3 2.000 7.34 0.00 4274.45 11/13/2017 0.240 <0.0005 <0.0005 <0.0005 <0.001 0.002 0.66 0.180 13.97 0.00 4267.82 5/22/2018 0.020 <0.0005 <0.0005 <0.0005 <0.001 0.0008J 0.053 <0.045 10.38 0.00 4271.41 11/7/2018 0.0164 <0.00100 <0.00100 <0.00300 <0.00500 0.00180 <0.100 1.28 11.35 0.00 4270.44 11/19/2019 0.00150 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.256 12.70 0.00 4269.09 5/6/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.111 9.64 0.00 4272.15 11/12/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 14.56 0.00 4267.23 5/20/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.127 11.99 0.00 4269.80 11/3/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.158 12.44 0.00 4269.35 5/11/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.155 B 0.332 11.81 0.00 4269.98 11/16/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 J3 0.000250 J 0.0778 J 0.300 12.25 0.00 4269.54 5/17/2023 0.00352 <0.00100 <0.00100 0.000196 J <0.00500 0.000266 J 0.189 0.194 7.63 0.00 4274.16 11/14/2023 0.000468 J <0.00100 J3 <0.00100 J3 <0.00300 J3 <0.00500 J3 <0.00100 J,J3 0.195 B 0.404 12.08 0.00 4269.71 5/15/2024 0.00702 0.000416 J 0.000161 J 0.00162 J <0.00500 0.000182 J 0.423 0.381 7.25 0.00 4274.54 11/5/2024 0.00447 <0.00100 0.000174 J 0.000461 J <0.00500 0.000154 J 0.311 0.292 12.76 0.00 4269.03 5/22/2025 0.00431 <0.00100 0.000174 J 0.000645 J 0.00111 C3,J <0.00100 0.224 0.198 9.27 0.00 4272.52 MW-13 11/28/2000 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.160 <0.250 12.07 0.00 4290.73 4302.80 4/12/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 NA 7.63 0.00 4295.17 7/14/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 NA 9.05 0.00 4293.75 12/13/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.48J NA 13.00 0.00 4289.80 3/22/2006 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.057J 7.46 0.00 4295.34 6/20/2006 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 NA <0.022 0.058J 8.68 0.00 4294.12 10/4/2006 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.025 J 0.066 J 11.29 0.00 4291.51 12/26/2006 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.065 J 11.51 0.00 4291.29 3/13/2007 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.056 J 8.79 0.00 4294.01 6/27/2007 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.022 J 0.047 J 11.61 0.00 4291.19 MW-13 9/10/2007 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.062 J 13.44 0.00 4289.36 12/11/2007 ****<0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.033 J 10.00 0.00 4292.80 3/11/2008 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.056 J 8.32 0.00 4294.48 6/20/2008 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.051 J 10.80 0.00 4292.00 9/26/2008 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 <0.020 13.46 0.00 4289.34 12/30/2008 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.061 J 11.81 0.00 4290.99 3/24/2009 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 <0.1 9.61 0.00 4293.19 6/23/2009 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.1 0.098 8.87 0.00 4293.93 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 8 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-13 9/22/2009 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 <0.05 12.99 0.00 4289.81 Continued 12/21/2009 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.21 9.97 0.00 4292.83 3/23/2010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.12 11.90 0.00 4290.90 6/14/2010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.38 9.53 0.00 4293.27 9/28/2010 <0.001 0.001 <0.001 <0.001 0.001 <0.001 <0.1 <0.05 13.02 0.00 4289.78 12/27/2010 <0.001 0.001 <0.001 <0.001 0.001 <0.001 <0.1 <0.05 8.36 0.00 4294.44 3/22/2011 <0.001 0.001 <0.001 <0.001 0.001 <0.001 <0.1 <0.11 7.02 0.00 4295.78 6/28/2011 <0.0005 <0.001 <0.001 <0.001 <0.005 <0.001 <0.20 <0.47 7.53 0.00 4295.27 9/20/2011 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.078 0.066J 12.22 0.00 4290.58 12/13/2011 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.045J 11.91 0.00 4290.89 5/8/2012 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.066J 8.71 0.00 4294.09 11/6/2012 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.29 13.15 0.00 4289.65 5/14/2013 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 <0.043 10.33 0.00 4292.47 11/6/2013 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 <0.045 13.53 0.00 4289.27 5/21/2014 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 9.48 0.00 4293.32 11/11/2014 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 12.60 0.00 4290.20 5/11/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 8.26 0.00 4294.54 11/17/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 11.38 0.00 4291.42 5/17/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 7.34 0.00 4295.46 11/14/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 13.37 0.00 4289.43 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 7.53 0.00 4295.27 11/13/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 13.68 0.00 4289.12 5/22/2018 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 9.89 0.00 4292.91 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.200 12.73 0.00 4290.07 11/19/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 13.72 0.00 4289.08 5/6/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 10.67 0.00 4292.13 11/12/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 13.98 0.00 4288.82 5/20/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 12.39 0.00 4290.41 11/3/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.103 12.53 0.00 4290.27 5/12/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.111 B 11.14 0.00 4291.66 11/16/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 J3 <0.00100 <0.100 0.0651 B,J 11.33 0.00 4291.47 5/17/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.111 7.18 0.00 4295.62 11/14/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.0689 J 9.00 0.00 4293.80 5/14/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.0517 J 6.08 0.00 4296.72 11/5/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0330 J 0.0806 J 8.68 0.00 4294.12 5/22/2025 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 C3 <0.00100 <0.100 <0.100 7.49 0.00 4295.31 MW-14 11/28/2000 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.025 <0.250 11.26 0.00 4290.43 4301.69 4/12/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 NA 8.90 0.00 4292.79 7/14/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 NA 10.73 0.00 4290.96 3/24/2009 NS NS NS NS NS NS NS NS 10.98 0.00 4290.71 6/23/2009 NS NS NS NS NS NS NS NS 10.63 0.00 4291.06 9/22/2009 NS NS NS NS NS NS NS NS 11.84 0.00 4289.85 12/21/2009 NS NS NS NS NS NS NS NS 12.25 0.00 4289.44 3/22/2011 NS NS NS NS NS NS NS NS 9.73 0.00 4291.96 5/14/2013 NS NS NS NS NS NS NS NS 10.54 0.00 4291.15 11/6/2013 NS NS NS NS NS NS NS NS 12.10 0.00 4289.59 5/21/2014 NS NS NS NS NS NS NS NS 10.27 0.00 4291.42 5/11/2015 NS NS NS NS NS NS NS NS 9.04 0.00 4292.65 11/17/2015 NS NS NS NS NS NS NS NS 11.53 0.00 4290.16 5/17/2016 NS NS NS NS NS NS NS NS 9.92 0.00 4291.77 11/14/2016 NS NS NS NS NS NS NS NS 11.62 0.00 4290.07 5/15/2017 NS NS NS NS NS NS NS NS 9.94 0.00 4291.75 11/13/2017 NS NS NS NS NS NS NS NS 11.57 0.00 4290.12 5/22/2018 NS NS NS NS NS NS NS NS 10.30 0.00 4291.39 11/7/2018 NS NS NS NS NS NS NS NS 11.44 0.00 4290.25 11/19/2019 NS NS NS NS NS NS NS NS 11.61 0.00 4290.08 5/6/2020 NS NS NS NS NS NS NS NS 10.85 0.00 4290.84 11/11/2020 NS NS NS NS NS NS NS NS 11.70 0.00 4289.99 5/19/2021 NS NS NS NS NS NS NS NS 9.75 0.00 4291.94 11/2/2021 NS NS NS NS NS NS NS NS 10.58 0.00 4291.11 5/10/2022 NS NS NS NS NS NS NS NS 10.66 0.00 4291.03 11/15/2022 NS NS NS NS NS NS NS NS 11.09 0.00 4290.60 5/16/2023 NS NS NS NS NS NS NS NS 10.15 0.00 4291.54 11/14/2023 NS NS NS NS NS NS NS NS 11.75 0.00 4289.94 5/13/2024 NS NS NS NS NS NS NS NS 9.36 0.00 4292.33 11/4/2024 NS NS NS NS NS NS NS NS 11.86 0.00 4289.83 5/21/2025 NS NS NS NS NS NS NS NS 9.73 0.00 4291.96 MW-15 11/28/2000 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 9.42 0.00 4265.64 4275.06 3/22/2001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 7.05 0.00 4268.01 6/19/2001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 8.46 0.00 4266.60 9/17/2001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 11.40 0.00 4263.66 12/13/2001 <0.001 <0.001 <0.001 <0.002 <0.001 <0.005 <0.025 <0.250 9.14 0.00 4265.92 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 9 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-15 3/24/2009 NS NS NS NS NS NS NS NS 9.59 0.00 4265.47 Continued 6/23/2009 NS NS NS NS NS NS NS NS 8.35 0.00 4266.71 9/22/2009 NS NS NS NS NS NS NS NS 10.74 0.00 4264.32 12/21/2009 NS NS NS NS NS NS NS NS 11.66 0.00 4263.40 3/23/2010 NS NS NS NS NS NS NS NS 10.51 0.00 4264.55 6/14/2010 NS NS NS NS NS NS NS NS 9.34 0.00 4265.72 9/28/2010 NS NS NS NS NS NS NS NS 11.18 0.00 4263.88 12/27/2010 NS NS NS NS NS NS NS NS 8.32 0.00 4266.74 3/22/2011 NS NS NS NS NS NS NS NS 7.36 0.00 4267.70 6/28/2011 NS NS NS NS NS NS NS NS 5.30 0.00 4269.76 5/8/2012 NS NS NS NS NS NS NS NS 9.84 0.00 4265.22 11/17/2015 NS NS NS NS NS NS NS NS 11.53 0.00 4263.53 MW-16 11/28/2000 <0.130 3.300 0.810 3.600 <0.130 <0.670 30.00 2.300 8.93 0.00 4266.97 4275.90 3/21/2001 <0.200 4.900 0.920 4.500 <.200 <1.000 24.00 1.800 6.78 0.00 4269.12 6/19/2001 <0.100 2.200 0.750 3.500 <0.100 <0.500 24.00 1.900 7.50 0.00 4268.40 9/17/2001 <0.100 0.270 0.610 2.600 <0.100 <0.500 11.00 <0.250 9.76 0.00 4266.14 12/12/2001 <0.100 1.400 0.850 3.900 <0.100 <0.500 16.000 2.200 8.10 0.00 4267.80 3/6/2002 0.073 0.210 1.000 4.600 0.130 <0.330 18.000 2.500 8.13 0.00 4267.77 6/25/2002 <0.067 0.094 1.100 4.900 0.088 <0.330 19.000 2.400 8.00 0.00 4267.90 9/25/2002 0.052 0.059 1.100 4.000 0.100 <0.200 12.000 1.300 10.02 0.00 4265.88 12/18/2002 0.039 <.033 0.950 2.900 0.092 <0.170 13.000 1.900 10.42 0.00 4265.48 3/28/2003 0.040 0.150 1.000 3.773 0.100 <0.025 15.000 2.700 9.21 0.00 4266.69 6/19/2003 0.042 0.220 1.100 3.840 0.120 <0.013 12.000 3.100 9.45 0.00 4266.45 9/10/2003 0.016 0.054 0.640 2.000 0.068 <0.010 9.400 2.70 10.86 0.00 4265.04 1/7/2004 0.057 0.097 0.850 3.700 0.094 <0.001 14.00 2.20 4.29 0.00 4271.61 3/30/2004 0.036 0.050 0.620 2.700 0.063 <0.003 9.40 2.50 6.33 0.00 4269.57 6/12/2004 0.039 0.008J 0.480 2.300 0.043 <0.001 7.40 NA 7.56 0.00 4268.34 9/29-30/04 0.038 0.012 0.230 0.720 0.097 <0.001 5.10 NA 9.54 0.00 4266.36 12/06-07/04 0.052 0.009J 0.430 3.100 0.110 <0.001 11.00 2.60 7.89 0.00 4268.01 4/12/2005 0.073 0.030 0.760 4.700 0.120 0.0006J 13.00 NA 5.63 0.00 4270.27 7/6/2005 0.028 0.001J <0.002 0.450 0.062 <0.001 7.40 NA 6.83 0.00 4269.07 12/13/2005 0.042 0.002J 0.130 0.280 0.130 0.0008J 2.90 NA 8.83 0.00 4267.07 3/22/2006 0.044 0.007 0.310 1.300 0.077 NA 6.90 2.50 6.33 0.00 4269.57 6/20/2006 0.026 0.004J 0.210 0.490 0.082 NA 4.50 1.80 6.49 0.00 4269.41 10/4/2006 0.026 0.001 J 0.120 0.110 0.080 0.0006 J 2.30 2.80 9.16 0.00 4266.74 12/26/2006 0.029 0.002 J 0.130 0.130 0.091 0.0007 J 2.00 1.40 8.88 0.00 4267.02 3/13/2007 0.038 0.002 J 0.260 0.480 0.076 0.0007 J 3.60 1.60 7.83 0.00 4268.07 6/27/2007 0.031 0.001 J 0.024 0.072 0.100 0.0008 J 1.40 2.20 8.88 0.00 4267.02 MW-16 9/10/2007 NS NS NS NS NS NS NS NS 9.45 0.00 4266.45 12/11/2007 NS NS NS NS NS NS NS NS NR NR NR 3/11/2008 0.046 0.003 J 0.430 1.900 0.064 <0.001 7.00 2.10 7.66 0.00 4268.24 6/20/2008 0.032 0.001 J 0.042 0.220 0.092 0.0007 J 1.70 3.60 8.83 0.00 4267.07 9/26/2008 0.027 <0.0007 0.012 0.044 0.053 0.0006 J 1.20 1.60 10.82 0.00 4265.08 12/31/2008 0.024 0.0008 J 0.045 0.240 0.049 0.0005 J 1.10 2.60 10.03 0.00 4265.87 3/24/2009 0.029 <0.005 0.120 0.510 0.062 <0.005 2.50 0.52 8.66 0.00 4267.24 6/23/2009 0.026 <0.005 0.067 0.250 0.068 <0.005 2.0 1.1 8.65 0.00 4267.25 9/22/2009 0.018 <0.001 0.0066 0.00576 0.089 <0.001 1.2 0.78 10.77 0.00 4265.13 12/21/2009 0.024 <0.001 0.011 0.039 0.057 <0.001 1.2 0.83 10.59 0.00 4265.31 3/23/2010 0.027 <0.001 0.078 0.290 0.056 <0.001 2 0.95 9.87 0.00 4266.03 6/14/2010 0.024 0.0024 0.130 0.3617 0.070 <0.001 2.4 1.7 8.91 0.00 4266.99 9/28/2010 0.016 <0.001 0.0041 0.0035 0.052 <0.001 0.92 0.79 10.66 0.00 4265.24 12/27/2010 0.027 <0.001 0.120 0.420 0.052 <0.001 2.6 0.95 7.98 0.00 4267.92 3/22/2011 0.026 0.001 0.084 0.260 0.058 <0.001 1.4 0.76 7.50 0.00 4268.40 6/28/2011 0.0308 0.0010 0.0181 0.0789 0.0452 <0.001 1.25 0.634 6.80 0.00 4269.10 9/20/2011 0.020 0.0009J 0.003J 0.002J 0.022 <0.0005 1.1 1.6 9.78 0.00 4266.12 12/13/2011 0.022 0.0008J 0.003J 0.003J 0.036 <0.0005 0.93 1.4 10.00 0.00 4265.90 5/8/2012 0.017 0.0008J 0.003J 0.020 0.041 <0.0005 0.81 1.7 8.76 0.00 4267.14 11/6/2012 0.074 0.003J 0.013 0.110 0.035 <0.0005 1.0 1.6 10.40 0.00 4265.50 5/14/2013 0.023 0.001J 0.001J 0.001J 0.036 <0.0005 0.92 0.89 9.11 0.00 4266.79 11/6/2013 0.004J <0.0007 0.0009J <0.0008 0.002 J <0.0005 1.10 0.870 11.11 0.00 4264.79 5/21/2014 0.042 0.002 0.002 0.002 0.032 <0.0005 1.3 0.880 9.40 0.00 4266.50 11/11/2014 0.033 0.002 0.001 0.004 0.016 <0.0005 1.1 0.780 10.64 0.00 4265.26 5/11/2015 0.027 0.003 0.001 0.003 0.030 <0.0005 1.1 0.720 8.44 0.00 4267.46 11/17/2015 0.032 0.003 0.001 0.003 0.001 J <0.0005 1.4 0.660 10.61 0.00 4265.29 5/17/2016 0.011 0.002 0.001 0.002 0.008 <0.0005 1.5 0.830 7.38 0.00 4268.52 11/14/2016 0.0009J <0.0005 0.0005J <0.0005 <0.001 <0.0005 0.80 0.560 10.03 0.00 4265.87 5/15/2017 0.003 0.0006J <0.0005 0.0009J 0.011 <0.0005 0.53 0.270 4.99 0.00 4270.91 11/13/2017 <0.0005 <0.0005 0.0006J <0.0005 <0.001 <0.0005 1.3 0.670 10.37 0.00 4265.53 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 10 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-16 5/22/2018 0.012 0.002 0.002 0.003 0.033 <0.0005 1.4 0.790 8.20 0.00 4267.70 Continued 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.346 0.981 9.60 0.00 4266.30 11/20/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.651 0.731 10.24 0.00 4265.66 5/6/2020 0.00236 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.865 0.877 7.54 0.00 4268.36 11/12/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.304 0.457 B 11.65 0.00 4264.25 5/20/2021 0.00695 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.582 0.688 10.10 0.00 4265.80 11/3/2021 0.00248 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.553 0.704 10.39 0.00 4265.51 5/11/2022 0.0126 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.986 1.48 9.70 0.00 4266.20 11/16/2022 0.00738 0.000559 J 0.000305 J 0.00116 J 0.00100 J,J3 <0.00100 0.510 1.140 10.86 0.00 4265.04 5/17/2023 0.0125 <0.00100 0.000276 J 0.000813 J <0.00500 <0.00100 0.529 1.030 6.04 0.00 4269.86 11/14/2023 0.0124 <0.00100 J3 0.000187 J 0.000388 J,J3 <0.00500 J3 <0.00100 J3 0.410 0.818 9.87 0.00 4266.03 5/15/2024 0.0126 <0.00100 0.000641 J 0.000472 J <0.00500 <0.00100 0.371 B 0.606 5.48 0.00 4270.42 11/5/2024 0.00802 <0.00100 <0.00100 0.000431 J <0.00500 <0.00100 0.361 0.672 10.00 0.00 4265.90 5/22/2025 0.00359 <0.00100 <0.00100 <0.00300 <0.00500 C3 <0.00100 0.343 0.304 7.21 0.00 4268.69 MW-17 11/28/2000 0.0026 <0.002 <0.002 <0.002 <0.002 <0.010 1.800 <0.250 7.01 0.00 4268.42 4275.43 3/22/2001 <0.010 <0.010 <0.010 <0.010 <0.010 <0.050 0.440 <0.250 4.45 0.00 4270.98 4/12/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.043J NA 3.43 0.00 4272.00 7/6/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 NA 4.78 0.00 4270.65 12/13/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.16 NA 7.27 0.00 4268.16 3/22/2006 <0.0005 <0.0007 <0.0008 0.002J 0.001J NA <0.020 9.90 3.90 0.00 4271.53 6/20/2006 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 NA <0.022 0.37 4.72 0.00 4270.71 10/4/2006 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.035 J 1.00 6.24 0.00 4269.19 12/26/2006 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.29 6.11 0.00 4269.32 6/27/2007 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.22 6.49 0.00 4268.94 Continued 9/10/2007 NS NS NS NS NS NS NS NS 7.65 0.00 4267.78 12/11/2007 NS NS NS NS NS NS NS NS NR NR NR 3/11/2008 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.39 3.99 0.00 4271.44 6/20/2008 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.029 J 0.57 5.79 0.00 4269.64 9/26/2008 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.07 0.62 8.06 0.00 4267.37 3/24/2009 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.1 0.18 4.76 0.00 4270.67 6/23/2009 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.1 0.14 5.19 0.00 4270.24 9/22/2009 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.19 7.90 0.00 4267.53 12/21/2009 <0.001 <0.001 <0.001 <0.001 0.0015 <0.001 0.1 0.23 7.50 0.00 4267.93 3/23/2010 <0.001 <0.001 <0.001 <0.001 0.0015 <0.001 <0.1 0.089 6.64 0.00 4268.79 6/14/2010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 0.11 0.14 4.99 0.00 4270.44 9/28/2010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.43 7.61 0.00 4267.82 12/27/2010 NS NS NS NS NS NS NS NS 3.93 0.00 4271.50 3/22/2011 NS NS NS NS NS NS NS NS 3.64 0.00 4271.79 6/28/2011 NS NS NS NS NS NS NS NS 3.68 0.00 4271.75 9/20/2011 NS NS NS NS NS NS NS NS 6.58 0.00 4268.85 12/13/2011 NS NS NS NS NS NS NS NS NR NR NR 5/8/2012 NS NS NS NS NS NS NS NS 4.96 0.00 4270.47 11/6/2012 NS NS NS NS NS NS NS NS 7.70 0.00 4267.73 5/11/2015 NS NS NS NS NS NS NS NS 4.50 0.00 4270.93 MW-18 11/28/2000 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.190 <0.250 6.36 0.00 4267.87 4274.23 4/12/2005 NS NS NS NS NS NS NS NS 2.62 0.00 4271.61 7/27/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.40 3.99 0.00 4270.24 3/22/2006 NS NS NS NS NS NS NS NS NR NR NR 10/4/2006 NS NS NS NS NS NS NS NS 4.94 0.00 4269.29 12/26/2006 NS NS NS NS NS NS NS NS 5.00 0.00 4269.23 3/13/2007 NS NS NS NS NS NS NS NS 3.90 0.00 4270.33 6/27/2007 NS NS NS NS NS NS NS NS 5.26 0.00 4268.97 MW-18 9/10/2007 NS NS NS NS NS NS NS NS 6.75 0.00 4267.48 12/11/2007 NS NS NS NS NS NS NS NS NR NR NR 3/11/2008 NS NS NS NS NS NS NS NS 2.62 0.00 4271.61 6/20/2008 NS NS NS NS NS NS NS NS NR NR NR 9/26/2008 NS NS NS NS NS NS NS NS 6.46 0.00 4267.77 12/23/2008 NS NS NS NS NS NS NS NS 4.55 0.00 4269.68 3/24/2009 NS NS NS NS NS NS NS NS 3.14 0.00 4271.09 6/23/2009 NS NS NS NS NS NS NS NS 3.94 0.00 4270.29 9/22/2009 NS NS NS NS NS NS NS NS 6.84 0.00 4267.39 12/21/2009 NS NS NS NS NS NS NS NS 6.64 0.00 4267.59 3/23/2010 NS NS NS NS NS NS NS NS 6.00 0.00 4268.23 6/14/2010 NS NS NS NS NS NS NS NS 3.69 0.00 4270.54 9/28/2010 NS NS NS NS NS NS NS NS 6.27 0.00 4267.96 12/27/2010 NS NS NS NS NS NS NS NS 2.46 0.00 4271.77 6/28/2011 NS NS NS NS NS NS NS NS 2.37 0.00 4271.86 MW-19 3/21/2001 0.011 0.130 0.016 0.012 <0.005 <0.025 0.480 <0.250 5.51 0.00 4265.51 4271.02 4/12/2005 0.021 1.500 0.072 0.420 <0.002 <0.001 3.90 NA 3.68 0.00 4267.34 7/6/2005 0.037 2.000 0.180 0.990 <0.004 <0.002 9.20 NA 4.74 0.00 4266.28 12/13/2005 0.059 7.500 0.270 1.900 0.020J <0.005 16.00 NA 7.80 0.00 4263.22 3/22/2006 0.031 1.600 0.150 0.650 0.002J NA 5.60 4.70 NA NA NA TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 11 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-19 6/20/2006 0.020 1.000 0.110 0.590 <0.002 NA 3.60 0.59 6.58 0.00 4264.44 Continued 10/4/2006 0.025 1.800 0.150 1.100 0.002 J <0.0005 1.40 0.42 7.90 0.00 4263.12 12/26/2006 0.035 9.400 0.230 1.600 0.006 J <0.003 17.00 0.77 7.60 0.00 4263.42 6/27/2007 0.023 0.18 0.12 0.63 0.004 J <0.0005 1.40 0.62 7.93 0.00 4263.09 MW-19 9/10/2007 NS NS NS NS NS NS NS NS 7.97 0.00 4263.05 12/11/2007 NS NS NS NS NS NS NS NS NR NR NR 3/11/2008 NS NS NS NS NS NS NS NS 6.07 0.00 4264.95 6/20/2008 NS NS NS NS NS NS NS NS NR NR NR 9/26/2008 0.011 <0.0007 0.052 0.02 <0.001 <0.0005 0.24 0.063 J 9.84 0.00 4261.18 12/23/2008 NS NS NS NS NS NS NS NS NR NR NR 3/24/2009 0.0072 <0.005 0.03 <0.005 <0.005 <0.005 0.17 0.12 7.43 0.00 4263.59 6/23/2009 0.0091 <0.005 0.041 0.0077 <0.005 <0.005 0.23 0.11 8.01 0.00 4263.01 9/23/2009 0.0064 <0.001 0.025 <0.001 0.0018 <0.001 0.17 0.055 9.65 0.00 4261.37 12/21/2009 0.010 <0.001 0.040 0.0027 <0.001 <0.001 0.2 0.073 9.95 0.00 4261.07 3/23/2010 0.0076 <0.001 0.029 <0.001 <0.001 <0.001 0.18 0.07 9.04 0.00 4261.98 6/14/2010 0.0052 0.0012 0.0078 0.006 <0.001 <0.001 <0.1 0.13 8.00 0.00 4263.02 9/28/2010 0.007 <0.001 0.0088 <0.001 <0.001 <0.001 0.12 <0.05 NM NM NM 12/27/2010 0.008 <0.001 0.0087 <0.001 <0.001 <0.001 0.14 <0.05 6.95 0.00 4264.07 3/22/2011 0.0039 <0.001 <0.001 <0.001 <0.001 <0.001 0.1 <0.12 5.72 0.00 4265.30 6/28/2011 0.0090 <0.001 0.0015 0.00034J <0.005 <0.001 0.108J <0.42 6.08 0.00 4264.94 9/20/2011 0.012 <0.0007 0.008 0.002J <0.001 <0.0005 0.13 0.13 9.11 0.00 4261.91 12/13/2011 0.019 0.002J 0.016 0.006 <0.0005 <0.0005 0.18 0.19 NR NR NR 5/8/2012 0.017 0.007 0.026 0.035 <0.001 <0.0005 0.21 <0.32 7.53 0.00 4263.49 5/8/2012**0.016 0.007 0.025 0.034 <0.001 <0.0005 0.22 0.23 NM NM NM 11/6/2012 0.028 0.001J 0.027 0.260 <0.001 <0.0005 0.54 0.51 9.46 0.00 4261.56 5/14/2013 0.024 <0.0007 0.025 0.330 <0.001 <0.0005 0.66 0.31 7.90 0.00 4263.12 11/6/2013 0.034 0.001J 0.009 0.420 <0.001 <0.0005 1.1 0.140 10.73 0.00 4260.29 5/21/2014 0.038 0.002 0.028 0.860 0.001 J <0.0005 2.3 0.270 7.77 0.00 4263.25 11/11/2014 0.045 0.003 0.034 1.000 0.003 J <0.0005 2.6 0.290 10.17 0.00 4260.85 5/11/2015 0.026 0.002 0.036 0.930 0.002 <0.0005 1.9 0.260 7.26 0.00 4263.76 11/17/2015 0.031 0.003 0.033 1.700 0.005 J <0.0005 3.9 0.310 9.67 0.00 4261.35 5/17/2016 0.024 0.002 0.009 1.600 0.005 <0.0005 4.1 0.370 6.64 0.00 4264.38 11/14/2016 0.021 <0.005 0.006J 1.700 <0.001 <0.005 5.4 0.540 10.10 0.00 4260.92 5/15/2017 0.024 0.002J 0.023 2.100 0.010J <0.001 5.1 0.430 4.83 0.00 4266.19 11/13/2017 0.026 0.002 0.013 2.500 0.017 <0.001 5.6 0.440 10.20 0.00 4260.82 5/22/2018 0.025 0.002 0.007 2.400 0.012 <0.001 5.1 0.420 7.68 0.00 4263.34 11/7/2018 0.0288 0.00261 0.00998 2.29 0.0165 <0.00100 3.65 1.42 9.37 0.00 4261.65 11/20/2019 0.0238 <0.0100 <0.0100 1.33 <0.0500 <0.0100 4.54 1.65 9.71 0.00 4261.31 5/6/2020 0.0175 0.00117 0.00553 0.681 0.0123 <0.00100 4.09 1.21 7.48 0.00 4263.54 11/12/2020 0.0184 <0.0100 <0.0100 0.662 <0.0500 <0.0100 2.61 0.932 10.68 0.00 4260.34 5/20/2021 0.0173 0.00113 0.00609 1.28 0.0112 <0.00100 3.62 1.17 9.64 0.00 4261.38 11/3/2021 0.0241 <0.0100 0.0147 1.74 <0.0500 <0.0100 6.48 1.50 10.16 0.00 4260.86 5/11/2022 0.0275 <0.0100 0.0160 2.59 <0.0500 <0.0100 8.73 2.17 9.22 0.00 4261.80 11/16/2022 0.0272 <0.0200 0.0174 J 1.690 0.0483 J,J3 <0.0200 3.690 1.680 10.30 0.00 4260.72 5/17/2023 0.0203 <0.0200 0.0138 J 0.302 0.0332 J <0.0200 0.758 1.190 5.66 0.00 4265.36 11/14/2023 0.0283 <0.0200 J3 0.0788 J3 2.820 J3 0.0373 J, J3 <0.0200 J3 6.090 2.040 10.01 0.00 4261.01 5/15/2024 0.0117 <0.00500 0.0147 0.0948 0.0196 J <0.00500 1.020 1.100 6.11 0.00 4264.91 11/5/2024 0.0201 <0.00500 0.00759 0.0114 J 0.0331 <0.00500 1.160 2.010 10.39 0.00 4260.63 5/22/2025 0.0118 <0.00500 0.00326 J 0.0313 0.0144 C3,J <0.00500 0.500 0.334 7.68 0.00 4263.34 MW-20 3/20/2001 <0.001 <0.001 <0.001 <0.001 <0.001 0.008 0.110 <0.250 7.70 0.00 4279.37 4287.07 4/12/2005 0.010 <0.0007 <0.0008 0.002J <0.001 0.026 0.26 NA 5.16 0.00 4281.91 7/14/2005 0.009 <0.0007 <0.0008 0.001J <0.001 0.036 0.21 NA 6.84 0.00 4280.23 12/13/2005 0.002J <0.0007 <0.0008 <0.0008 <0.001 0.046 0.21 NA 9.65 0.00 4277.42 3/22/2006 0.010 0.0008J <0.0008 0.005J <0.001 NA 0.21 0.94 7.29 0.00 4279.78 6/20/2006 0.018 <0.0007 <0.0008 <0.0008 <0.001 NA 0.16 0.57 7.00 0.00 4280.07 10/4/2006 0.003 J <0.0007 <0.0008 0.002 J <0.001 0.073 0.36 0.72 8.78 0.00 4278.29 12/26/2006 0.016 <0.0007 <0.0008 <0.0008 <0.001 0.038 0.23 0.30 8.54 0.00 4278.53 3/13/2007 0.002J <0.0007 <0.0008 <0.0008 <0.001 0.018 0.12 0.23 7.14 0.00 4279.93 6/27/2007 <0.0005 <0.0007 <0.0008 0.0009 J <0.001 0.015 0.14 0.14 9.25 0.00 4277.82 MW-20 9/10/2007 <0.0005 <0.0007 <0.0008 0.005 J <0.001 0.008 0.15 0.26 11.69 0.00 4275.38 12/11/2007 <0.0005 <0.0007 <0.0008 <0.008 <0.001 0.016 0.21 0.04 8.95 0.00 4278.12 3/11/2008 <0.0005 <0.0007 <0.0008 <0.008 <0.001 0.018 0.11 0.13 6.15 0.00 4280.92 6/20/2008 0.001 J <0.0007 <0.0008 <0.008 <0.001 0.017 0.11 0.056 J 9.46 0.00 4277.61 9/26/2008 dry dry dry dry dry dry dry dry dry dry dry as MW-28 12/31/2008 <0.0005 <0.0007 <0.0008 <0.008 <0.001 0.010 0.09 0.17 11.69 0.00 4275.38 3/24/2009 8.08 0.00 4278.99 6/23/2009 8.07 0.00 4279.00 9/22/2009 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 <0.05 11.04 0.00 4276.03 12/21/2009 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.066 9.28 0.00 4277.79 3/23/2010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.11 8.01 0.00 4279.06 6/14/2010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.1 7.23 0.00 4279.84 9/28/2010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 <0.05 9.01 0.00 4278.06 12/27/2010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 <0.05 7.17 0.00 4279.90 Well Not Sampled Well Not Sampled TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 12 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-20 3/22/2011 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 <0.11 5.84 0.00 4281.23 Continued 6/28/2011 0.00067 <0.001 <0.001 0.0021 <0.005 0.00073J <0.20 <0.40 5.17 0.00 4281.90 9/20/2011 <0.0005 <0.0007 <0.0008 0.0008J <0.001 0.0007J <0.020 0.033J 9.50 0.00 4277.57 12/13/2011 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0008J 0.035J 0.047J 8.61 0.00 4278.46 5/8/2012 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 0.0007J <0.020 0.033J 7.34 0.00 4279.73 11/6/2012 0.002J <0.0007 0.002J 0.0080 0.002J 0.0007J 0.052 0.098 9.26 0.00 4277.81 5/14/2013 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.60J 7.93 0.00 4279.14 11/6/2013 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 0.0005J 0.027J <0.045 10.12 0.00 4276.95 5/21/2014 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 8.25 0.00 4278.82 11/11/2014 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 9.74 0.00 4277.33 5/11/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.022 J <0.045 7.69 0.00 4279.38 11/17/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 8.88 0.00 4278.19 5/17/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 7.11 0.00 4279.96 11/14/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 8.58 0.00 4278.49 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 5.32 0.00 4281.75 11/13/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 9.69 0.00 4277.38 5/22/2018 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 7.71 0.00 4279.36 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 8.62 0.00 4278.45 11/20/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.0158 10.74 0.00 4276.33 5/6/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 7.45 0.00 4279.62 11/12/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 11.75 0.00 4275.32 5/20/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 8.89 0.00 4278.18 11/3/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.117 B 9.82 0.00 4277.25 5/12/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 8.36 0.00 4278.71 11/16/2022 0.000144 J <0.00100 <0.00100 <0.00300 <0.00500 J3 <0.00100 <0.100 0.0971 B,J 10.04 0.00 4277.03 5/17/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.0994 J 5.41 0.00 4281.66 11/14/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.0520 J 9.33 0.00 4277.74 5/14/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0560 B,J <0.100 5.18 0.00 4281.89 11/5/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.0954 J 10.29 0.00 4276.78 5/22/2025 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 C3 <0.00100 <0.100 <0.100 7.25 0.00 4279.82 MW-21 3/22/2001 0.036 <0.005 0.071 0.140 0.097 <0.025 2.600 1.900 4.40 0.00 4276.10 4280.50 4/12/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 NA 2.12 0.00 4278.38 7/6/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 NA 3.19 0.00 4277.31 12/13/2005 0.001J <0.0007 <0.0008 0.002J 0.002J <0.0005 0.47 NA 7.11 0.00 4273.39 3/22/2006 <0.0005 <0.0007 <0.0008 0.002J 0.001J NA <0.020 0.590 4.24 0.00 4276.26 6/20/2006 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 NA <0.022 0.390 3.31 0.00 4277.19 10/4/2006 0.001 J <0.0007 <0.0008 0.002 J <0.001 <0.0005 0.15 0.680 5.29 0.00 4275.21 12/26/2006 0.002 J <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.25 0.850 5.56 0.00 4274.94 3/13/2007 <0.0005 <0.0007 <0.0008 0.0008 J <0.001 <0.0005 .033 J 0.270 4.46 0.00 4276.04 6/27/2007 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.12 0.580 5.70 0.00 4274.80 MW-21 9/10/2007 0.001 J <0.0007 <0.0008 0.002 J 0.003 J <0.0005 0.51 1.100 7.32 0.00 4273.18 12/11/2007 0.0007 J <0.0007 <0.0008 0.003 J 0.001 J <0.0005 0.30 0.650 5.21 0.00 4275.29 3/11/2008 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.13 3.03 0.00 4277.47 6/20/2008 0.007 J <0.0007 0.001 J 0.004 J < 0.001 <0.0005 0.08 0.27 4.84 0.00 4275.66 9/26/2008 0.0005 J <0.0007 <0.0008 0.001 J 0.002 J <0.0005 0.27 0.62 7.23 0.00 4273.27 12/31/2008 0.0006 J <0.0007 <0.0008 0.002 J 0.002 J <0.0005 0.34 1.00 6.37 0.00 4274.13 3/24/2009****<0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.1 0.14 4.33 0.00 4276.17 6/23/2009 NS NS NS NS NS NS NS NS 4.66 0.00 4275.84 9/22/2009 NS NS NS NS NS NS NS NS 7.03 0.00 4273.47 12/21/2009 NS NS NS NS NS NS NS NS 7.42 0.00 4273.08 3/23/2010 NS NS NS NS NS NS NS NS 6.04 0.00 4274.46 6/14/2010 NS NS NS NS NS NS NS NS 4.50 0.00 4276.00 9/28/2010 NS NS NS NS NS NS NS NS 6.60 0.00 4273.90 12/27/2010 NS NS NS NS NS NS NS NS 3.28 0.00 4277.22 3/22/2011 NS NS NS NS NS NS NS NS 2.47 0.00 4278.03 6/28/2011 NS NS NS NS NS NS NS NS 1.66 0.00 4278.84 9/20/2011 NS NS NS NS NS NS NS NS 5.46 0.00 4275.04 12/13/2011 NS NS NS NS NS NS NS NS NR NR NR 5/8/2012 NS NS NS NS NS NS NS NS 3.28 0.00 4277.22 11/6/2013 NS NS NS NS NS NS NS NS 7.04 0.00 4273.46 5/21/2014 NS NS NS NS NS NS NS NS 4.45 0.00 4276.05 5/11/2015 NS NS NS NS NS NS NS NS 5.05 0.00 4275.45 11/17/2015 NS NS NS NS NS NS NS NS 6.11 0.00 4274.39 11/14/2016 NS NS NS NS NS NS NS NS 6.16 0.00 4274.34 5/15/2017 NS NS NS NS NS NS NS NS 2.81 0.00 4277.69 11/13/2017 NS NS NS NS NS NS NS NS 6.96 0.00 4273.54 5/22/2018 NS NS NS NS NS NS NS NS 4.41 0.00 4276.09 11/7/2018 NS NS NS NS NS NS NS NS 5.04 0.00 4275.46 11/21/2019 NS NS NS NS NS NS NS NS 6.79 0.00 4273.71 MW-22 3/20/2001 1.200 <0.040 0.770 3.800 0.210 <0.200 14.000 1.800 8.00 0.00 4281.26 4289.26 1/7/2004 1.200 0.035 0.860 5.100 0.410 <0.001 29.00 20.00 10.60 0.00 4278.66 3/30/2004 <0.0005 <0.0007 0.002 J 0.030 0.004 J <0.0005 1.20 2.40 6.89 0.00 4282.37 6/12/2004 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.034J NA 8.88 0.00 4280.38 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 13 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-22 9/29-30/04 0.670 0.015 0.290 2.000 0.260 <0.001 14.00 NA 13.56 0.09 4275.70 Continued 12/06-07/04 0.019 <0.0007 0.001J 0.120 0.007 <0.0005 1.00 5.70 9.31 0.00 4279.95 4/12/2005 10.000 21.000 1.600 11.000 0.190J <0.025 93.00 NA 5.93 0.00 4283.33 7/13/2005 FP FP FP FP FP FP FP FP 7.9 0.03 4281.36 12/13/2005 2.600 5.800 1.900 12.000 0.460 <0.005 51.00 NA 12.00 0.00 4277.26 3/22/2006 0.370 0.018 0.026 0.390 0.046 NA 6.00 27.00 7.18 0.00 4282.08 6/20/2006 0.890 0.003J 0.330 0.830 0.091 NA 8.10 21.00 7.38 0.00 4281.88 10/4/2006 0.640 0.340 0.330 2.000 0.140 < 0.003 23.00 43.00 9.37 0.00 4279.89 12/26/2006 0.790 0.260 0.320 3.000 0.220 <0.005 23.00 48.00 9.95 0.00 4279.31 3/13/2007 0.032 0.016 0.047 0.520 0.022 <0.0005 1.70 3.30 7.87 0.00 4281.39 6/27/2007 0.900 0.047 0.210 1.200 0.090 <0.001 6.90 22.00 10.48 0.00 4278.78 MW-22 9/10/2007 0.900 0.035 0.190 1.700 0.120 <0.001 18.00 17.00 13.36 0.00 4275.90 12/11/2007 1.000 0.043 0.320 2.500 0.220 <0.001 17.00 61.00 NR NR NR 3/11/2008 0.002 J <0.0007 <0.0008 0.001 J 0.002 J <0.0005 0.35 3.70 7.06 0.00 4282.20 6/20/2008 0.110 0.001 J 0.017 0.100 0.024 <0.0005 2.50 5.00 9.45 0.00 4279.81 9/26/2008 FP FP FP FP FP FP FP FP 14.80 0.06 4274.46 12/30/2008 0.630 0.017 0.120 0.300 0.047 <0.0005 5.80 19.00 13.95 0.00 4275.31 3/24/2009 <0.005 <0.005 <0.005 0.0058 <0.005 <0.005 0.96 4.60 8.51 0.00 4280.75 6/23/2009 0.022 <0.005 <0.005 0.0094 <0.0005 <0.005 0.33 0.63 8.74 0.00 4280.52 9/22/2009 0.540 0.005 0.120 0.2275 0.079 <0.001 3.6 1.0 14.41 0.00 4274.85 12/21/2009 0.470 0.015 0.110 0.1681 0.034 <0.001 8.8 2.7 14.68 0.00 4274.58 3/23/2010 0.370 0.011 0.150 0.398 0.071 <0.005 9.4 16 10.43 0.00 4278.83 6/14/2010 <0.001 <0.001 <0.001 0.0024 <0.001 <0.001 <0.1 0.49 8.51 0.00 4280.75 9/28/2010 0.440 0.0083 0.180 0.2596 0.110 <0.001 4.3 5.4 13.20 0.00 4276.06 12/27/2010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.2 7.48 0.00 4281.78 3/22/2011 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.2 6.74 0.00 4282.52 6/28/2011 0.196 <0.001 0.0010 0.0040 <0.005 <0.001 0.503 <0.40 5.97 0.00 4283.29 9/20/2011 0.280 0.004J 0.038 0.130 0.033 <0.0005 1.8 6.7 10.94 0.00 4278.32 9/20/11**0.270 0.004J 0.033 0.120 0.029 <0.0005 1.8 5.5 NM NM NM 12/13/2011 0.710 0.022 0.560 1.500 0.290 <0.0005 9.0 12.0 11.48 0.00 4277.78 5/8/2012 0.0007J <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 4.2 8.30 0.00 4280.96 11/6/2012 0.440 0.016 0.170 0.430 0.092 <0.0005 3.5 11 12.17 0.00 4277.09 5/14/2013 0.047 <0.0007 0.015 0.019 0.014 <0.0005 0.30 0.450 8.58 0.00 4280.68 11/6/2013 0.300 0.011 0.170 0.150 0.096 <0.0005 2.4 1.500 13.61 0.00 4275.65 5/21/2014 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 8.53 0.00 4280.73 11/11/2014 0.190 0.004 0.230 0.150 0.290 <0.0005 2.5 2.500 11.61 0.00 4277.65 5/11/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 6.52 0.00 4282.74 11/17/2015 0.230 0.006 0.300 0.300 0.320 <0.0005 4.5 3.100 12.10 0.00 4277.16 5/17/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 8.00 0.00 4281.26 11/14/2016 0.160 0.003 0.180 0.120 0.200 <0.0005 3.4 3.100 10.60 0.00 4278.66 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 5.98 0.00 4283.28 11/13/2017 0.140 0.003 0.110 0.068 0.130 <0.0005 2.1 2.000 12.44 0.00 4276.82 5/22/2018 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 8.53 0.00 4280.73 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.277 9.13 0.00 4280.13 3/25/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 5.48 0.00 4283.78 6/11/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 5.77 0.00 4283.49 11/19/2019 0.0119 <0.0100 0.144 0.0552 0.195 <0.0100 3.45 3.15 11.22 0.00 4278.04 5/6/2020 0.00289 <0.00100 0.00825 <0.00300 <0.00500 <0.00100 0.209 0.125 8.59 0.00 4280.67 11/12/2020 0.0128 <0.00100 0.00911 0.00368 0.00735 <0.00100 1.14 0.992 15.03 0.00 4274.23 5/20/2021 0.126 <0.00500 0.151 0.0745 0.346 <0.00500 4.43 7.34 10.53 0.00 4278.73 11/3/2021 0.0927 <0.00500 0.107 0.110 0.193 <0.00500 3.14 6.12 9.43 0.00 4279.83 5/12/2022 0.115 <0.00500 0.119 0.0902 0.193 <0.00500 3.21 6.23 10.69 0.00 4278.57 11/16/2022 0.0454 0.000894 J 0.00576 0.0324 0.0219 J3 <0.00100 0.447 1.540 9.52 0.00 4279.74 5/17/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.112 6.26 0.00 4283.00 11/14/2023 0.0927 0.000584 J 0.00397 0.00370 0.0484 <0.00100 1.570 2.020 11.28 0.00 4277.98 5/14/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0382 B,J <0.100 5.89 0.00 4283.37 11/5/2024 0.0388 0.000718 J 0.0123 0.00516 0.0275 <0.00100 1.030 2.250 13.61 0.00 4275.65 5/22/2025 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 8.03 0.00 4281.23 MW-23 4/4/2001 <0.001 <0.001 <0.001 <0.002 <0.001 <0.005 <0.025 NA 6.51 0.00 4274.84 4281.35 6/19/2001 <0.001 <0.001 <0.001 <0.001 0.0021 <0.005 <0.025 <0.250 8.37 0.00 4272.98 9/19/2001 <0.001 <0.001 <0.001 <0.001 0.0011 <0.005 <0.025 <0.250 10.29 0.00 4271.06 12/12/2001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 8.02 0.00 4273.33 3/6/2002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 8.16 0.00 4273.19 6/25/2002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 8.44 0.00 4272.91 9/25/2002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.03 <0.250 11.19 0.00 4270.16 12/18/2002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 10.62 0.00 4270.73 3/27/2003 <0.005 <0.005 <0.005 <0.010 <0.005 <0.005 <0.050 <0.600 8.55 0.00 4272.80 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 14 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-23 6/19/2003 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.050 <0.098 9.04 0.00 4272.31 Continued 9/11/2003 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.050 <0.200 12.13 0.00 4269.22 12/06-07/04 <0.005 <0.007 <0.008 <0.008 <0.001 <0.005 <0.020 0.026 J 8.57 0.00 4272.78 7/27/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 <0.027 6.96 0.00 4274.39 12/13/2005 NS NS NS NS NS NS NS NS 9.75 0.00 4271.60 3/22/2006 NS NS NS NS NS NS NS NS 6.78 0.00 4274.57 6/20/2006 NS NS NS NS NS NS NS NS 6.51 0.00 4274.84 10/4/2006 NS NS NS NS NS NS NS NS 8.49 0.00 4272.86 12/26/2006 NS NS NS NS NS NS NS NS 9.24 0.00 4272.11 3/13/2007 NS NS NS NS NS NS NS NS 7.09 0.00 4274.26 6/27/2007 NS NS NS NS NS NS NS NS 9.55 0.00 4271.80 MW-23 9/10/2007 NS NS NS NS NS NS NS NS 10.23 0.00 4271.12 12/11/2007 NS NS NS NS NS NS NS NS NR NR NR 3/11/2008 NS NS NS NS NS NS NS NS 6.4 0.00 4274.95 6/20/2008 NS NS NS NS NS NS NS NS NR NR NR 9/26/2008 NS NS NS NS NS NS NS NS NR NR NR 3/24/2009 NS NS NS NS NS NS NS NS 7.92 0.00 4273.43 6/23/2009 NS NS NS NS NS NS NS NS 8.01 0.00 4273.34 9/22/2009 NS NS NS NS NS NS NS NS 10.66 0.00 4270.69 12/21/2009 NS NS NS NS NS NS NS NS 10.03 0.00 4271.32 3/23/2010 NS NS NS NS NS NS NS NS 7.49 0.00 4273.86 9/28/2010 NS NS NS NS NS NS NS NS 9.85 0.00 4271.50 3/22/2011 NS NS NS NS NS NS NS NS 5.35 0.00 4276.00 6/28/2011 NS NS NS NS NS NS NS NS 4.24 0.00 4277.11 MW-24 9/19/2001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.055 <0.250 9.66 0.00 4257.91 4267.57 12/12/2001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 7.81 0.00 4259.76 3/6/2002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 6.63 0.00 4260.94 6/25/2002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 <0.025 <0.250 7.05 0.00 4260.52 9/25/2002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.053 <0.250 9.99 0.00 4257.58 12/18/2002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.069 <0.250 9.66 0.00 4257.91 3/27/2003 <0.005 <0.005 <0.005 <0.010 <0.005 <0.005 <0.050 <0.600 8.55 0.00 4259.02 6/23/2003 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.050 <0.096 9.63 0.00 4257.94 7/23/2003 NR NR NR MW-25 9/19/2001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.760 0.630 6.40 0.00 4272.28 4278.68 MW-D**<0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.860 0.480 NA NA NA 12/12/2001 <0.001 <0.001 <0.001 <0.001 0.002 <0.005 0.330 0.940 5.13 0.00 4273.55 3/6/2002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.510 <0.250 4.72 0.00 4273.96 6/25/2002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.350 0.820 4.40 0.00 4274.28 9/25/2002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.260 0.660 7.75 0.00 4270.93 12/18/2002 <0.001 <0.001 <0.001 <0.001 <0.001 <0.005 0.066 <0.250 8.59 0.00 4270.09 3/27/2003 <0.005 <0.005 <0.005 <0.010 <0.005 <0.005 0.240 0.730 6.67 0.00 4272.01 6/23/2003 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 0.230 0.940 6.77 0.00 4271.91 9/11/2003 <0.005 <0.005 <0.005 <0.010 <0.005 <0.005 0.140 0.760 8.92 0.00 4269.76 3/30/2004 NS NS NS NS NS NS NS NS 3.46 0.00 4275.22 6/12/2004 NS NS NS NS NS NS NS NS 3.70 0.00 4274.98 9/29-30/04 NS NS NS NS NS NS NS NS 6.67 0.00 4272.01 12/06-07/04 NS NS NS NS NS NS NS NS 4.21 0.00 4274.47 4/12/2005 NS NS NS NS NS NS NS NS 1.87 0.00 4276.81 7/27/2005 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.21 1.20 3.01 0.00 4275.67 12/13/2005 NS NS NS NS NS NS NS NS 6.57 0.00 4272.11 3/22/2006 NS NS NS NS NS NS NS NS 3.59 0.00 4275.09 6/20/2006 NS NS NS NS NS NS NS NS 2.92 0.00 4275.76 10/4/2006 NS NS NS NS NS NS NS NS 4.63 0.00 4274.05 12/26/2006 NS NS NS NS NS NS NS NS 4.95 0.00 4273.73 3/13/2007 NS NS NS NS NS NS NS NS 3.75 0.00 4274.93 6/27/2007 NS NS NS NS NS NS NS NS 4.99 0.00 4273.69 9/10/2007 NS NS NS NS NS NS NS NS 6.37 0.00 4272.31 12/11/2007 NS NS NS NS NS NS NS NS NR NR NR 3/11/2008 NS NS NS NS NS NS NS NS 2.54 0.00 4276.14 6/20/2008 NS NS NS NS NS NS NS NS NR NR NR 9/26/2008 NS NS NS NS NS NS NS NS 6.13 0.00 4272.55 3/24/2009 NS NS NS NS NS NS NS NS 3.32 0.00 4275.36 6/23/2009 NS NS NS NS NS NS NS NS 3.98 0.00 4274.70 9/22/2009 NS NS NS NS NS NS NS NS 6.09 0.00 4272.59 12/21/2009 NA NA NA 3/23/2010 NS NS NS NS NS NS NS NS 5.37 0.00 4273.31 6/14/2010 NS NS NS NS NS NS NS NS 3.20 0.00 4275.48 9/28/2010 NS NS NS NS NS NS NS NS 5.70 0.00 4272.98 12/27/2010 NS NS NS NS NS NS NS NS 2.50 0.00 4276.18 3/22/2011 NS NS NS NS NS NS NS NS 1.97 0.00 4276.71 6/28/2011 NS NS NS NS NS NS NS NS 1.90 0.00 4276.78 Well Abandoned NS, Unable to locate in the snow. TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 15 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-26 7/6/2005 NS NS NS NS NS NS NS NS NR NR NR 9/10/2007 NS NS NS NS NS NS NS NS NR NR NR 12/11/2007 NS NS NS NS NS NS NS NS NR NR NR 3/11/2008 NS NS NS NS NS NS NS NS NR NR NR 6/20/2008 NS NS NS NS NS NS NS NS NR NR NR MW-27 7/6/2005 NS NS NS NS NS NS NS NS 5.38 0.00 4290.21 4295.59 12/13/2005 0.003J <0.0007 0.001J 0.005 0.006 <0.0005 0.86 NS 8.50 0.00 4287.09 3/22/2006 0.006J 0.009J 0.010 0.047 0.019 NA 1.50 2.70 4.62 0.00 4290.97 6/20/2006 <0.0005 <0.0007 <0.0008 0.005J 0.010 NA 0.42 1.10 5.19 0.00 4290.40 10/4/2006 0.0009 J <0.0007 .002 0.006 J 0.003 J <0.0005 0.69 1.60 7.28 0.00 4288.31 12/26/2006 <0.0005 <0.0007 <0.0008 0.001 J <0.001 <0.0005 0.63 1.10 7.64 0.00 4287.95 3/13/2007 0.0006 J <0.0007 0.004 J 0.013 0.007 <0.0005 0.95 1.40 5.65 0.00 4289.94 6/27/2007 <0.0005 0.0007 J 0.010 0.026 0.012 <0.0005 1.10 1.30 7.33 0.00 4288.26 9/10/2007 0.002 J <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.31 1.10 8.86 0.00 4286.73 12/11/2007 0.0006 J <0.0007 0.0008 J 0.002 J <0.001 <0.0005 0.86 1.20 6.82 0.00 4288.77 3/11/2008 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.08 0.17 4.40 0.00 4291.19 6/20/2008 <0.0005 0.001 J 0.005 0.017 0.009 <0.0005 0.40 1.90 7.16 0.00 4288.43 9/26/2008 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.18 0.35 8.85 0.00 4286.74 duplicate <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0006 0.21 0.35 NA NA NA 12/30/2008 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.07 0.82 7.47 0.00 4288.12 3/24/2009 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.30 0.99 6.28 0.00 4289.31 6/23/2009 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 0.17 0.35 5.62 0.00 4289.97 9/22/2009 0.0017 <0.001 <0.001 0.00172 J <0.001 <0.001 0.24 0.48 8.31 0.00 4287.28 12/21/2009 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 0.18 0.47 8.52 0.00 4287.07 3/23/2010 NS NS NS NS NS NS NS NS 7.02 0.00 4288.57 6/14/2010 NS NS NS NS NS NS NS NS 5.82 0.00 4289.77 9/28/2010 NS NS NS NS NS NS NS NS 8.22 0.00 4287.37 12/27/2010 0.910 0.075 0.760 0.263 0.250 <0.010 11 1.5 4.57 0.00 4291.02 3/22/2011 NS NS NS NS NS NS NS NS 4.50 0.00 4291.09 6/28/2011 <0.0005 <0.001 <0.001 <0.001 <0.005 <0.001 <0.20 <0.42 2.50 0.00 4293.09 9/20/2011 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.14 0.69 7.39 0.00 4288.20 12/13/2011 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.023J 0.15 7.81 0.00 4287.78 5/8/2012 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.051 0.12 5.70 0.00 4289.89 11/6/2012 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.077 0.43 8.35 0.00 4287.24 5/14/2013 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.061 0.220 6.75 0.00 4288.84 11/6/2013 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.16 <0.045 8.93 0.00 4286.66 5/21/2014 <0.0005 <0.0005 0.0006J <0.0005 <0.001 <0.0005 0.13 0.79J 6.66 0.00 4288.93 11/11/2014 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.087 <0.045 8.64 0.00 4286.95 5/11/2015 0.077 0.001 0.0009J 0.0006J <0.001 0.002 0.37 0.130 5.61 0.00 4289.98 11/17/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.21 0.110 8.22 0.00 4287.37 5/17/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.041J 0.049J 5.43 0.00 4290.16 11/14/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.028J <0.045 8.33 0.00 4287.26 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 2.82 0.00 4292.77 11/13/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 8.98 0.00 4286.61 5/22/2018 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.080 0.071J 6.33 0.00 4289.26 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.248 7.98 0.00 4287.61 3/25/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.102 3.42 0.00 4292.17 6/10/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.108 2.50 0.00 4293.09 11/19/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.104 9.17 0.00 4286.42 5/6/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.262 6.78 0.00 4288.81 11/12/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.227 B 9.80 0.00 4285.79 5/20/2021 <0.00100 <0.00100 <0.00100 <0.00300 0.00535 <0.00100 <0.100 0.435 7.99 0.00 4287.60 11/3/2021 0.0757 <0.00100 0.00150 <0.00300 <0.00500 <0.00100 0.578 0.954 7.95 0.00 4287.64 5/12/2022 0.0151 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.621 1.15 7.59 0.00 4288.00 11/16/2022 0.0513 0.00123 <0.00100 0.00256 J 0.00311 J,J3 0.00102 0.737 1.540 7.67 0.00 4287.92 5/17/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.152 2.80 0.00 4292.79 11/14/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0390 J 0.223 J 7.56 0.00 4288.03 11/14/2023**<0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0427 J 0.249 J NA NA NA 5/14/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0510 B,J <0.100 2.25 0.00 4293.34 11/5/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.190 8.01 0.00 4287.58 5/22/2025 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 C3 <0.00100 <0.100 <0.100 4.92 0.00 4290.67 MW-28 6/23/2009 0.041 <0.005 0.180 0.401 0.089 <0.005 5.3 3.1 7.40 0.00 4275.71 4283.11 9/22/2009 0.051 0.0019 0.120 0.251 0.080 <0.001 5.0 2.9 10.36 0.00 4272.75 12/21/2009 0.060 0.0024 0.140 0.225 0.078 <0.001 3.9 3.5 10.77 0.00 4272.34 3/23/2010 0.028 0.0014 0.082 0.1181 0.040 <0.001 2.7 4.7 8.21 0.00 4274.90 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 16 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-28 6/14/2010 0.009 <0.001 0.027 0.0342 0.011 <0.001 1.2 2.7 6.47 0.00 4276.64 Continued 9/28/2010 0.016 0.0018 0.065 0.1072 0.028 <0.001 2.3 2.3 9.32 0.00 4273.79 12/27/2010 0.0042 <0.001 0.021 0.0284 0.0097 <0.001 1.6 1.6 4.61 0.00 4278.50 3/22/2011 0.0036 <0.001 0.024 0.0152 0.0065 <0.001 0.63 1.8 5.48 0.00 4277.63 6/28/2011 0.0032 0.00061J 0.0192 0.0094 0.0045J <0.001 0.770 1.01 3.64 0.00 4279.47 9/20/2011 0.004J 0.0007J 0.021 0.009 0.0009 <0.0005 1.7 2.7 8.13 0.00 4274.98 12/13/2011 NS NS NS NS NS NS NS NS NR NR NR 5/8/2012 0.003J <0.0007 0.015 0.003J 0.002J <0.0005 1.0 2.2 6.53 0.00 4276.58 11/6/2012 0.020 0.002J 0.020 0.034 0.016 <0.0005 1.8 4.3 9.49 0.00 4273.62 5/14/2013 0.001J <0.0007 0.002J <0.0008 <0.001 <0.0005 0.7 1.5 7.21 0.00 4275.90 11/6/2013 0.005 0.0009J 0.009 0.014 0.011 <0.0005 1.0 2.600 10.27 0.00 4272.84 5/21/2014 0.004 <0.0005 0.001 <0.0005 <0.001 <0.0005 0.69 1.300 7.26 0.00 4275.85 11/11/2014 0.001 <0.005 0.003 0.001 0.001J <0.0005 1.00 2.200 9.04 0.00 4274.07 5/11/2015 0.002 <0.0005 <0.0005 0.002 0.001 J <0.0005 0.33 0.540 4.68 0.00 4278.43 11/17/2015 0.0006J <0.0005 0.002 0.002 0.003 <0.0005 1.3 1.200 9.19 0.00 4273.92 5/17/2016 0.0005J <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.24 0.260 6.57 0.00 4276.54 11/14/2016 <0.0005 <0.0005 0.008J <0.0005 <0.001 <0.0005 1.10 4.100 8.29 0.00 4274.82 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.062 0.063J 4.61 0.00 4278.50 11/13/2017 0.007J <0.0005 0.0008J <0.0005 0.002J <0.0005 1.1 2.100 10.02 0.00 4273.09 5/22/2018 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.41 0.380 7.03 0.00 4276.08 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.218 0.545 7.46 0.00 4275.65 11/20/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.621 1.27 8.85 0.00 4274.26 5/6/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.229 0.496 6.70 0.00 4276.41 11/12/2020 0.00319 <0.00100 <0.00100 0.00437 0.00524 <0.00100 0.949 1.47 11.03 0.00 4272.08 5/20/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.546 1.76 8.15 0.00 4274.96 11/3/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.563 1.43 7.77 0.00 4275.34 5/11/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.185 B 0.899 8.01 0.00 4275.10 11/16/2022 0.000147 J <0.00100 <0.00100 <0.00300 0.00145 J,J3 <0.00100 0.320 B 1.230 7.55 0.00 4275.56 5/17/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.448 4.72 0.00 4278.39 11/14/2023 0.000128 J <0.00100 J3 <0.00100 J3 <0.00300 J3 <0.00500 J3 <0.00100 J3 0.206 0.605 8.31 0.00 4274.80 5/15/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0389 B,J <0.100 3.73 0.00 4279.38 11/5/2024 0.000203 J <0.00100 0.000217 J 0.000231 J 0.00169 J <0.00100 0.496 0.848 9.34 0.00 4273.77 5/22/2025 <0.00100 <0.00100 0.001 <0.00300 <0.00500 C3 <0.00100 <0.100 0.258 5.88 0.00 4277.23 MW-29 6/23/2009 2.600 0.100 0.270 0.210 0.069 <0.005 9.9 2.8 9.65 0.00 4274.23 4283.88 9/23/2009 4.000 0.230 0.580 0.546 0.170 0.0032 17 3.2 12.76 0.00 4271.12 12/21/2009 3.200 0.160 0.420 0.451 0.190 <0.025 15 3.8 12.92 0.00 4270.96 3/23/2010 4.300 0.180 0.500 0.518 0.150 <0.050 16 4.4 10.51 0.00 4273.37 6/14/2010 0.066 0.0013 0.008 0.0043 0.0052 <0.001 0.53 0.74 8.49 0.00 4275.39 9/28/2010 3.600 0.140 0.470 0.444 0.160 <0.020 13 2.6 11.90 0.00 4271.98 12/27/2010 0.110 0.0017 0.0068 0.0072 0.005 <0.001 1.1 0.32 6.96 0.00 4276.92 3/22/2011 0.0087 <0.001 0.0011 <0.001 <0.001 <0.001 <0.1 0.22 6.74 0.00 4277.14 6/28/2011 0.0080 <0.001 0.00088J 0.00039J 0.0011J <0.001 <0.20 <0.44 5.74 0.00 4278.14 9/20/2011 0.690 0.002J 0.033 0.011 0.013 0.001J 3.0 1.6 10.59 0.00 4273.29 12/13/2011 1.700 0.021 0.210 0.660 0.077 0.002J 8.0 4.7 10.74 0.00 4273.14 5/8/2012 0.013 <0.0007 0.002J <0.0008 <0.001 <0.0005 0.14 0.31 8.25 0.00 4275.63 11/6/2012 2.000 0.420 0.400 0.130 0.140 0.003J 11 5.8 12.15 0.00 4271.73 11/6/2012**2.100 0.043 0.430 0.130 0.110 0.004J 10 5.7 NA NA NA 5/14/2013 0.074 0.001J 0.016 0.002J 0.002J <0.0005 0.92 0.54 9.03 0.00 4274.85 11/6/2013 2.000 0.047 0.320 0.130 0.150 0.003J 9.5 2.300 12.66 0.00 4271.22 5/21/2014 0.046 0.0005J 0.006 0.001 0.002J <0.0005 0.44 0.400 9.23 0.00 4274.65 11/11/2014 1.900 0.057 0.250 0.130 0.160 0.003 8.3 2.400 11.47 0.00 4272.41 5/11/2015 0.240 0.005 0.023 0.011 0.016 0.006 J 1.9 0.290 7.80 0.00 4276.08 11/17/2015 1.300 0.017 0.160 0.038 0.092 0.003 9.3 1.700 11.54 0.00 4272.34 11/17/2015**1.300 0.017 0.160 0.035 0.088 0.003 8.7 1.800 NA NA NA 5/17/2016 0.002 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.068 0.073J 8.28 0.00 4275.60 5/17/2016**0.002 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.070 0.075J NA NA NA 11/14/2016 0.540 <0.013 0.092 0.015J 0.042J <0.013 4.700 2.000 10.68 0.00 4273.20 11/14/2016**0.520 <0.013 0.090 0.015J 0.030J <0.013 6.700 1.900 NA NA NA 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 6.26 0.00 4277.62 5/15/2017**<0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 NA NA NA 11/13/2017 0.560 0.003 0.061 0.019 <0.001 0.002 7.10 1.500 12.22 0.00 4271.66 5/22/2018 0.003 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.067 0.058J 8.94 0.00 4274.94 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.395 9.43 0.00 4274.45 11/19/2019 0.233 <0.0100 0.180 <0.0300 <0.0500 <0.0100 9.83 3.72 11.33 0.00 4272.55 5/6/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.108 8.38 0.00 4275.50 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 17 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-29 11/12/2020 0.148 <0.0100 0.497 0.0339 <0.0500 <0.0100 8.20 3.93 13.35 0.00 4270.53 Continued 11/12/2020**0.0972 0.00666 0.504 0.0369 0.0568 <0.00100 7.36 3.97 NA NA NA 5/20/2021 0.130 <0.0100 0.271 0.0371 0.0792 <0.0100 7.04 3.46 10.45 0.00 4273.43 11/3/2021 0.258 0.0872 0.526 0.210 0.223 <0.0100 13.9 4.48 10.63 0.00 4273.25 5/10/2022 NS NS NS NS NS NS NS NS 10.26 0.00 4273.62 11/15/2022 NS NS NS NS NS NS NS NS 10.35 0.00 4273.53 5/16/2023 NA NA NA 11/14/2023 0.251 0.0528 0.293 0.0995 0.0877 <0.0100 7.730 2.840 10.65 0.00 4273.23 5/15/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0408 B,J <0.100 5.58 0.00 4278.30 11/5/2024 0.367 Q 0.111 Q 0.390 Q 0.197 0.0926 J,Q <0.00100 6.940 3.500 11.58 0.00 4272.30 5/22/2025 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.0981 J 7.73 0.00 4276.15 MW-30 6/23/2009 <0.005 <0.005 0.0083 <0.005 <0.005 <0.005 0.31 0.25 6.26 0.00 4274.32 4280.58 9/23/2009 0.043 0.014 0.1 0.0415 0.05 <0.001 2.7 0.66 9.68 0.00 4270.90 12/21/2009 0.049 0.017 0.094 0.0404 0.039 <0.001 2.5 0.74 9.76 0.00 4270.82 3/23/2010 0.069 0.021 0.100 0.0468 0.034 <0.001 2.8 1.1 7.53 0.00 4273.05 6/14/2010 0.0016 <0.001 <0.001 <0.001 <0.001 <0.001 0.11 0.2 5.48 0.00 4275.10 9/28/2010 0.049 0.012 0.091 0.040 0.033 <0.001 2.9 0.67 8.91 0.00 4271.67 12/27/2010 0.0015 <0.001 <0.001 <0.001 <0.001 <0.001 0.23 0.15 4.68 0.00 4275.90 3/22/2011 0.0017 <0.001 0.0016 <0.001 <0.001 <0.001 0.13 0.14 3.88 0.00 4276.70 6/28/2011 0.00069 <0.001 <0.001 0.00041J <0.005 <0.001 <0.20 <0.42 2.88 0.00 4277.70 9/20/2011 0.007 0.005J 0.017 0.011 0.008 <0.0005 1.1 1.3 7.29 0.00 4273.29 12/13/2011 0.003J 0.001J 0.003J 0.002J 0.002J <0.0005 0.49 1.1 7.78 0.00 4272.80 5/8/2012 0.0008J <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.027J 0.16 5.27 0.00 4275.31 11/6/2012 0.086 0.016 0.026 0.022 0.012 <0.001 2.90 1.0 9.21 0.00 4271.37 5/14/2013 0.001J <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.18 0.17 5.95 0.00 4274.63 11/6/2013 0.007 0.001J 0.003J 0.005 0.004J <0.0005 0.40 0.160 9.71 0.00 4270.87 5/21/2014 0.004 0.0006J 0.0006J <0.0005 <0.001 <0.0005 0.097 <0.045 6.20 0.00 4274.38 11/11/2014 0.029 0.007 0.032 0.029 0.027 <0.0005 1.6 0.610 8.50 0.00 4272.08 5/11/2015 0.008 <0.0005 0.0008 J 0.0009 J <0.0005 <0.0005 0.45 0.063 J 5.67 0.00 4274.91 11/17/2015 0.021 0.005 0.015 0.022 0.022 <0.0005 3.40 0.650 8.47 0.00 4272.11 5/17/2016 0.002 <0.0005 0.001 0.002 0.001J <0.0005 0.18 0.055J 5.29 0.00 4275.29 11/14/2016 0.016 0.006 <0.005 0.020 0.023J <0.005 2.4 0.670 8.20 0.00 4272.38 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.034J <0.045 3.57 0.00 4277.01 11/13/2017 0.017 0.006 0.017 0.020 0.018 <0.0005 2.7 0.600 9.63 0.00 4270.95 5/22/2018 0.0009J 0.0006J 0.0007J 0.0008J <0.001 <0.0005 0.15 <0.045 6.18 0.00 4274.40 11/7/2018 <0.00100 0.00142 0.00105 <0.00300 <0.00500 <0.00100 0.137 0.229 6.83 0.00 4273.75 11/19/2019 0.0281 0.0282 0.0640 0.0746 0.0477 <0.00100 3.67 1.05 8.56 0.00 4272.02 5/6/2020 0.00443 0.00464 0.0149 0.0134 0.0115 <0.00100 0.722 0.193 5.73 0.00 4274.85 4280.24 11/12/2020 0.0912 <0.00100 0.00710 <0.00300 <0.00500 <0.00100 5.68 2.27 10.94 0.00 4269.30 5/20/2021 0.0465 0.0357 0.0514 0.0483 0.0622 <0.00100 3.32 1.32 8.14 0.00 4272.10 11/3/2021 0.194 0.00292 0.0247 0.0111 0.00945 <0.00100 8.90 2.74 8.93 0.00 4271.31 5/11/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.124 B 0.256 7.55 0.00 4272.69 11/16/2022 0.284 <0.0100 0.0153 0.0166 J 0.0182 J,J3 <0.0100 4.330 3.270 8.72 0.00 4271.52 5/16/2023 NA NA NA 11/14/2023 NA NA NA MW-31 6/23/2009 0.390 0.012 0.028 0.037 <0.005 <0.005 2.0 1.3 6.69 0.00 4273.22 4279.91 9/23/2009 1.100 0.041 0.120 0.113 0.012 <0.001 4.6 1.5 10.40 0.00 4269.51 9/23/2009**1.100 0.039 0.110 0.106 0.010 <0.001 4.4 1.4 NA NA NA 12/21/2009 NS NS NS NS NS NS NS NS 10.41 0.00 4269.50 3/23/2010 0.450 0.013 0.039 0.0328 <0.005 <0.005 2.4 1.2 7.81 0.00 4272.10 3/23/2010**0.430 0.013 0.038 0.0305 0.0099 <0.005 2.3 1.1 NA NA NA 6/14/2010 0.610 0.020 0.069 0.059 0.0054 <0.001 2.9 1.8 6.16 0.00 4273.75 9/28/2010 1.000 0.039 0.140 0.129 0.012 <0.001 3.7 1.9 8.95 0.00 4270.96 12/27/2010 0.230 0.0059 0.016 0.0137 0.0022 <0.001 1.7 0.39 7.34 0.00 4272.57 3/22/2011 0.200 0.0069 0.021 0.018 0.0014 <0.001 0.68 0.48 4.30 0.00 4275.61 3/22/2011**0.130 0.0083 0.025 0.0219 0.0016 <0.001 1.0 0.31 NA NA NA 6/28/2011 0.0967 0.0011 0.00093J 0.0020 <0.005 <0.001 0.400 <0.42 2.94 0.00 4276.97 9/20/2011 0.820 0.0140 0.059 0.045 0.008J <0.001 4.1 3.0 8.28 0.00 4271.63 12/13/2011 0.900 0.0280 0.071 0.066 0.009J 0.001J 3.9 3.6 NR NR NR 5/8/2012 0.062 <0.0007 0.001J <0.0008 <0.001 <0.0005 0.24 0.41 5.69 0.00 4274.22 11/6/2012 0.980 0.0340 0.130 0.098 0.013 <0.001 5.0 4.3 10.01 0.00 4269.90 5/14/2013 0.150 0.004J <0.0008 0.007 <0.001 <0.0005 0.90 0.19 6.25 0.00 4273.66 11/6/2013 1.200 0.046 0.140 0.170 0.021 0.002J 6.1 1.300 10.63 0.00 4269.28 5/21/2014 0.410 0.015 0.064 0.053 0.005J 0.0009J 2.5 0.540 6.87 0.00 4273.04 11/11/2014 0.900 0.025 0.180 0.110 0.023J <0.003 5.1 1.200 9.75 0.00 4270.16 Well was under truck-inaccessable Unable to locate well - possibly destroyed Well Destroyed TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 18 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-31 5/11/2015 0.082 0.009 J 0.004 0.002 0.002 J <0.0005 1.5 0.150 5.70 0.00 4274.21 Continued 11/17/2015 0.870 0.021 0.170 0.056 0.023 <0.005 5.7 0.800 9.65 0.00 4270.26 5/17/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 5.30 0.00 4274.61 11/14/2016 0.800 0.020 0.160 0.061 0.025J <0.001 6.7 1.300 9.29 0.00 4270.62 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 3.30 0.00 4276.61 11/13/2017 1.000 0.0008J 0.140 0.049 0.009 0.002 4.9 0.950 10.40 0.00 4269.51 5/22/2018 0.360 0.006 0.036 0.013 0.006J <0.001 1.7 0.290 6.74 0.00 4273.17 11/7/2018 0.759 0.0163 0.101 0.0409 0.0257 <0.00100 4.37 3.69 7.95 0.00 4271.96 11/19/2019 0.610 0.0134 0.0919 <0.0300 <0.0500 <0.0100 6.5 4.05 9.93 0.00 4269.98 5/6/2020 0.00143 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 5.95 0.00 4273.96 11/12/2020 0.910 0.0201 0.0649 0.0470 <0.0500 <0.0100 6.65 4.12 11.54 0.00 4268.37 5/20/2021 0.728 0.0143 0.0842 0.0439 <0.0500 <0.0100 6.66 3.46 9.21 0.00 4270.70 11/3/2021 0.352 <0.0100 0.0408 <0.0300 0.0655 <0.0100 5.69 2.63 9.79 0.00 4270.12 5/11/2022 0.00148 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.218 B 0.427 8.24 0.00 4271.67 11/16/2022 0.00191 <0.00100 <0.00100 <0.00300 <0.00500 J3 0.000119 J 0.122 B 0.387 9.23 0.00 4270.68 5/18/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.252 3.46 0.00 4276.45 11/14/2023 <0.00100 <0.00100 J3 <0.00100 J3 <0.00300 J3 <0.00500 J3 <0.00100 J3 <0.100 0.274 8.36 0.00 4271.55 5/15/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0398 B,J <0.100 1.72 0.00 4278.19 11/5/2024 0.000181 J,Q <0.00100 0.00711 Q 0.0922 Q <0.00500 Q <0.00100 3.460 0.588 7.45 0.00 4272.46 5/22/2025 0.000405 J <0.00100 0.0260 0.2080 <0.00500 C3 <0.00100 1.160 0.633 3.69 0.00 4276.22 MW-32 6/23/2009 0.011 <0.005 <0.005 <0.005 <0.005 <0.005 <0.1 0.27 6.31 0.00 4272.79 4279.10 9/23/2009 0.74 0.014 0.0022 0.0076 0.0011 <0.001 1.8 0.92 10.32 0.00 4268.78 12/21/2009 0.730 0.015 0.0017 0.0045 <0.001 <0.001 1.6 1.1 10.35 0.00 4268.75 3/23/2010 0.530 0.013 <0.001 0.0013 <0.001 <0.001 1.3 0.37 8.43 0.00 4270.67 6/14/2010 0.0043 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.15 6.00 0.00 4273.10 9/28/2010 0.360 0.011 <0.001 0.0012 <0.001 <0.001 0.66 0.51 9.07 0.00 4270.03 12/27/2010 0.013 0.001 <0.001 <0.001 0.001 <0.001 <0.1 0.14 5.12 0.00 4273.98 3/22/2011 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.15 3.99 0.00 4275.11 6/28/2011 0.0032 <0.001 <0.001 0.0013 <0.005 <0.001 <0.20 <0.43 2.32 0.00 4276.78 9/20/2011 0.230 0.004J <0.0008 <0.0008 <0.001 <0.0005 0.71 0.42 7.95 0.00 4271.15 12/13/2011 0.066 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.14 0.087J 8.13 0.00 4270.97 5/8/2012 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.22 5.10 0.00 4274.00 11/6/2012 0.260 0.001J 0.002J 0.008 <0.001 <0.0005 0.56 1.0 9.56 0.00 4269.54 5/14/2013 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 <0.43 5.95 0.00 4273.15 11/6/2013 0.190 0.006 <0.0008 0.003J <0.001 <0.0005 0.43 <0.045 10.29 0.00 4268.81 5/21/2014 <0.0005 <0.0005 <0.0005 <0.0005 0.008 <0.0005 <0.020 <0.045 6.35 0.00 4272.75 11/11/2014 1.600 0.047 0.004 0.032 <0.002 <0.001 3.7 0.370 8.94 0.00 4270.16 5/11/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 6.21 0.00 4272.89 11/17/2015 1.200 0.032 0.003 0.027 <0.001 0.001 3.00 0.200 8.95 0.00 4270.15 5/17/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 0.100J 4.89 0.00 4274.21 11/14/2016 0.001 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 9.11 0.00 4269.99 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 2.51 0.00 4276.59 11/13/2017 0.040 0.0008J <0.0005 0.001J <0.001 0.0006J 0.18 <0.045 10.13 0.00 4268.97 5/22/2018 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 6.14 0.00 4272.96 5/22/2018**<0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 NA NA NA 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 7.73 0.00 4271.37 11/20/2019 1.98 0.0243 0.00423 0.0497 <0.00500 <0.00100 5.98 2.00 10.01 0.00 4269.09 5/7/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 5.45 0.00 4273.65 11/13/2020 2.26 <0.0250 <0.0250 0.0766 <0.125 <0.0250 6.63 3.15 11.04 0.00 4268.06 5/21/2021 1.06 0.0134 <0.0100 0.0480 <0.0500 <0.0100 1.99 1.33 8.75 0.00 4270.35 11/4/2021 1.99 0.0273 <0.0100 0.0995 <0.0500 <0.0100 7.98 3.59 9.71 0.00 4269.39 5/11/2022 0.0968 <0.00100 <0.00100 0.00542 <0.00500 <0.00100 0.405 0.503 8.05 0.00 4271.05 11/16/2022 2.330 0.0166 J 0.00455 J 0.0901 <0.0250 J3 0.00452 J 5.310 2.750 9.60 0.00 4269.50 5/18/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.000135 J <0.100 0.122 3.32 0.00 4275.78 11/14/2023 0.978 0.00910 J3 0.00291 J3 0.0815 J3 <0.00500 J3 0.00184 J3 4.890 2.740 8.96 0.00 4270.14 5/15/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.000171 J 0.0441 B,J <0.100 3.15 0.00 4275.95 11/4/2024 NA NA NA 5/21/2025 NA NA NA MW-33 6/23/2009 0.057 <0.005 <0.005 <0.005 <0.005 <0.005 0.17 0.29 7.82 0.00 4273.53 4281.35 9/23/2009 0.52 0.022 0.003 0.0115 <0.001 0.0011 1.3 0.73 10.67 0.00 4270.68 12/21/2009 0.150 0.0034 0.0012 <0.001 <0.001 0.0011 0.33 0.53 10.47 0.00 4270.88 3/23/2010 0.0059 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.22 8.94 0.00 4272.41 6/14/2010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.25 7.50 0.00 4273.85 9/28/2010 0.130 0.0048 <0.001 0.0021 <0.001 <0.001 0.28 0.3 9.12 0.00 4272.23 Unable to locate well - possibly destroyed Unable to locate well - possibly destroyed TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 19 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-33 12/27/2010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.11 7.73 0.00 4273.62 Continued 3/22/2011 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 <0.11 5.48 0.00 4275.87 6/28/2011 <0.0005 <0.001 <0.001 0.00091J <0.005 <0.001 <0.20 <0.40 3.40 0.00 4277.95 9/20/2011 0.057 0.001J <0.0008 <0.0008 <0.001 0.0006J 0.13 0.45 8.93 0.00 4272.42 12/13/2011 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.053J 8.44 0.00 4272.91 5/8/2012 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 <0.030 6.25 0.00 4275.10 11/6/2012 0.004J 0.0007J 0.002J 0.010 <0.001 <0.0005 0.032J <0.030 8.94 0.00 4272.41 5/14/2013 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 <0.43 6.84 0.00 4274.51 11/6/2013 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 <0.045 9.93 0.00 4271.42 5/21/2014 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 7.30 0.00 4274.05 11/11/2014 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 0.001 <0.020 <0.045 9.40 0.00 4271.95 5/11/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 6.03 0.00 4275.32 11/17/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 9.16 0.00 4272.19 5/17/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 5.95 0.00 4275.40 11/14/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 8.55 0.00 4272.80 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 3.64 0.00 4277.71 11/13/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 9.53 0.00 4271.82 5/22/2018 NM NM NM 11/7/2018 NM NM NM 11/20/2019 NM NM NM 5/6/2020 NM NM NM 11/13/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00169 <0.100 0.461 B 11.23 0.00 4270.12 5/21/2021 0.00208 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.122 8.11 0.00 4273.24 11/4/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.187 B 8.35 0.00 4273.00 5/11/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.227 8.04 0.00 4273.31 11/16/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 J3 0.000145 J <0.100 0.129 B 8.10 0.00 4273.25 5/18/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.252 4.17 0.00 4277.18 11/14/2023 <0.00100 <0.00100 J3 <0.00100 J3 <0.00300 J3 <0.00500 J3 <0.00100 J3 <0.100 0.144 8.20 0.00 4273.15 5/15/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 3.78 0.00 4277.57 11/6/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.000198 J <0.100 0.271 9.41 0.00 4271.94 5/21/2025 NM NM NM MW-34 12/13/2011 0.340 0.12 0.094 0.160 0.090 0.002J 6.1 8.1 7.94 0.00 4275.30 4283.24 12/13/2011**0.630 0.013 0.410 0.140 0.110 0.004J 4.2 6.7 NA NA NA 5/8/2012 0.260 0.007 0.010 0.130 0.090 0.002J 3.0 3.7 7.64 0.00 4275.60 11/6/2012 0.290 0.014 0.590 0.270 0.260 0.001J 7.5 13 10.16 0.00 4273.08 5/14/2013 0.240 0.009 0.310 0.160 0.170 0.001J 3.8 3.8 9.00 0.00 4274.24 11/6/2013 0.200 0.008 0.310 0.140 0.210 0.0005J 3.8 3.200 11.34 0.00 4271.90 5/21/2014 0.260 0.007 0.240 0.130 0.130 0.001J 3.9 3.300 8.20 0.00 4275.04 11/11/2014 0.097 0.004 0.170 0.066 0.100 <0.0005 2.1 2.400 9.57 0.00 4273.67 5/11/2015 0.004 0.001 0.096 0.046 0.055 <0.0005 2.2 1.500 6.06 0.00 4277.18 11/17/2015 0.170 0.004 0.009 0.053 0.019 0.0007J 3.1 1.500 10.04 0.00 4273.20 5/17/2016 0.026 0.003 0.140 0.080 0.066 <0.0005 4.0 2.500 7.94 0.00 4275.30 11/14/2016 0.096 0.002 0.005 0.011 0.006 <0.0005 2.0 1.100 9.53 0.00 4273.71 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 4.90 0.00 4278.34 11/13/2017 0.130 0.001J 0.001 0.001 0.002J 0.0009J 2.3 1.200 10.93 0.00 4272.31 5/22/2018 0.005 0.0008J 0.007 0.006 0.007 <0.0005 0.51 0.300 8.18 0.00 4275.06 11/7/2018 0.0471 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.585 0.723 8.98 0.00 4274.26 3/25/2019 0.0121 <0.00100 <0.00100 0.00363 <0.00500 <0.00100 0.772 0.846 3.17 0.00 4280.07 6/11/2019 0.0154 <0.00100 0.00235 0.00662 0.0158 <0.00100 0.595 0.936 4.19 0.00 4279.05 11/20/2019 0.0360 <0.0100 0.241 0.182 0.114 <0.0100 4.63 4.70 8.70 0.00 4274.54 5/7/2020 0.179 0.0136 0.651 0.417 0.211 <0.00100 7.55 5.22 6.72 0.00 4276.52 11/13/2020 0.263 0.0114 0.538 0.253 0.177 <0.0100 8.40 6.39 10.77 0.00 4272.47 5/21/2021 0.202 0.0119 0.0748 0.132 0.261 <0.00500 5.38 7.47 8.09 0.00 4275.15 11/4/2021 0.142 0.00951 0.0337 0.104 0.148 <0.00500 6.67 6.11 7.99 0.00 4275.25 5/10/2022 NS NS NS NS NS NS NS NS 7.99 0.00 4275.25 11/15/2022 NS NS NS NS NS NS NS NS 7.86 0.00 4275.38 5/16/2023 NS NS NS NS NS NS NS NS 4.35 0.00 4278.89 11/14/2023 NS NS NS NS NS NS NS NS 8.17 0.00 4275.07 5/13/2024 NS NS NS NS NS NS NS NS 3.93 0.00 4279.31 11/4/2024 NS NS NS NS NS NS NS NS 8.90 0.00 4274.34 5/21/2025 NS NS NS NS NS NS NS NS 6.07 0.00 4277.17 . MW-35 12/13/2011 0.290 0.004J 0.220 0.039 0.074 0.002J 5.4 4.8 NR NR NR 4283.32 5/8/2012 0.220 0.003J 0.079 0.026 0.033 0.002J 1.8 2.2 7.54 0.00 4275.78 11/6/2012 0.093 0.002J 0.071 0.019 0.070 <0.001 5.1 4.8 10.50 0.00 4272.82 Well is full of dirt and gravel (unable to sample) Flushmount has been damaged by a snow plow (unable to sample) Well is full of dirt and gravel (unable to sample) Flushmount has been damaged by a snow plow (unable to sample) Well is under a large roll off bin (Unable to sample) TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 20 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-35 5/14/2013 0.028 0.0009J 0.023 0.007 0.019 <0.0005 4.3 4.9 8.23 0.00 4275.09 Continued 11/6/2013 0.095 0.002J 0.095 0.024 0.089 <0.0005 15 4.500 11.44 0.00 4271.88 5/21/2014 0.800 0.006 0.007 0.009 0.019 0.008 3.0 1.900 8.96 0.00 4274.36 11/11/2014 0.068 <0.005 0.028 0.019 0.044J <0.005 3.8 6.200 NM NM NM 5/11/2015 0.049 0.002 0.046 0.027 0.074 <0.0005 4.4 0.340 5.94 0.00 4277.38 11/17/2015 0.056 0.002 0.063 0.029 0.088 <0.001 7.1 11 10.30 0.00 4273.02 5/17/2016 0.004 0.0009J 0.006 0.001 0.005J <0.0005 1.6 0.370 7.53 0.00 4275.79 11/14/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.27 0.240 9.44 0.00 4273.88 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 4.67 0.00 4278.65 11/13/2017 0.003 0.001 0.002 0.0008J 0.001J <0.0005 1.2 0.380 15.66 0.00 4267.66 5/22/2018 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.24 0.077J 8.04 0.00 4275.28 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.204 0.274 8.54 0.00 4274.78 11/20/2019 0.00593 <0.00500 0.0197 <0.0150 0.0502 <0.00500 7.81 4.12 9.47 0.00 4273.85 5/7/2020 0.00275 <0.00100 0.0108 0.00815 0.0391 <0.00100 3.76 1.70 7.28 0.00 4276.04 11/13/2020 <0.00500 <0.00500 0.0424 <0.0150 0.113 <0.00500 7.69 2.18 11.68 0.00 4271.64 5/21/2021 <0.0100 <0.0100 0.0389 <0.0300 0.109 <0.0100 11.3 3.57 8.94 0.00 4274.38 11/4/2021 <0.0100 <0.0100 0.0459 <0.0300 0.186 <0.0100 19.6 3.64 8.57 0.00 4274.75 5/10/2022 NS NS NS NS NS NS NS NS 8.80 0.00 4274.52 11/15/2022 NS NS NS NS NS NS NS NS 8.35 0.00 4274.97 5/16/2023 NS NS NS NS NS NS NS NS NA NA NA 11/14/2023 NS NS NS NS NS NS NS NS 8.93 0.00 4274.39 5/15/2024 NS NS NS NS NS NS NS NS 4.37 0.00 4278.95 11/4/2024 NS NS NS NS NS NS NS NS 9.76 0.00 4273.56 5/21/2025 NS NS NS NS NS NS NS NS 6.59 0.00 4276.73 MW-36 12/13/2011 1.100 0.002J 0.004J 0.003J 0.012 0.009J 2.9 4.3 9.60 0.00 4274.11 4283.71 5/8/2012 0.910 0.003J 0.005J 0.006 0.014 0.011 1.8 3.1 8.18 0.00 4275.53 11/6/2012 0.810 0.003J 0.004J 0.004J 0.007J 0.009J 2.8 3.4 10.95 0.00 4272.76 5/14/2013 0.690 0.004J 0.005J 0.007 0.017 0.011 3.1 2.0 8.85 0.00 4274.86 11/6/2013 0.480 0.004J 0.004J 0.007 0.015 0.009 2.6 0.770 11.87 0.00 4271.84 5/21/2014 0.029 0.001J 0.025 0.008 0.013 <0.0005 2.8 1.600 8.40 0.00 4275.31 11/11/2014 0.520 0.006 0.003 0.009 0.018 0.007 2.0 1.900 NM NM NM 5/11/2015 0.650 0.003 0.002 0.004 0.011 0.005 2.4 0.830 6.80 0.00 4276.91 11/17/2015 0.710 0.011 0.016 0.029 0.069 <0.005 5.3 2.000 10.83 0.00 4272.88 5/17/2016 0.570 0.010 0.013 0.026 0.042 0.004 4.4 2.000 8.15 0.00 4275.56 11/14/2016 0.070 0.0008J <0.0005 0.0005J 0.001J 0.003 0.58 0.570 10.03 0.00 4273.68 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 5.83 0.00 4277.88 11/13/2017 0.270 0.005 0.008 0.014 0.042 0.002 4.1 1.600 15.51 0.00 4268.20 5/22/2018 0.130 0.003 0.005 0.004 0.019 0.0007J 3.1 1.800 NM NM NM 11/7/2018 0.0236 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.261 0.810 9.33 0.00 4274.38 11/20/2019 0.107 <0.0100 0.0171 <0.0300 0.0640 <0.0100 6.62 3.54 10.34 0.00 4273.37 5/7/2020 0.0870 0.00339 0.0102 0.0540 0.0528 <0.00100 4.54 2.65 7.85 0.00 4275.86 11/13/2020 0.0737 <0.0100 <0.0100 <0.0300 0.0693 <0.0100 4.29 3.93 12.31 0.00 4271.40 5/21/2021 0.0888 <0.00500 <0.00500 0.0539 0.0466 <0.00500 6.80 3.10 9.43 0.00 4274.28 11/4/2021 0.0797 <0.00500 0.00879 0.0349 0.0779 <0.00500 6.27 3.90 9.19 0.00 4274.52 5/12/2022 0.0419 <0.00500 0.00513 0.0159 0.0442 <0.00500 6.37 3.14 9.36 0.00 4274.35 11/16/2022 0.0736 0.00392 J 0.0106 0.0723 0.0591 J3 <0.00500 3.910 3.510 9.00 0.00 4274.71 5/18/2023 0.0646 0.00252 J 0.0112 0.108 0.0623 <0.00500 2.890 2.110 NA NA NA 11/14/2023 0.171 0.00724 J3 0.0138 J3 0.387 J3 0.0741 J3 <0.00500 J3 5.920 3.900 9.55 0.00 4274.16 5/15/2024 0.128 0.00677 0.0111 0.208 0.0868 <0.00500 3.240 2.230 5.09 0.00 4278.62 11/6/2024 0.166 0.0101 0.00722 0.296 0.0907 <0.00500 3.300 3.090 10.49 0.00 4273.22 5/23/2025 0.133 0.00681 0.00924 0.155 0.0958 C3 <0.00500 4.480 3.580 7.28 0.00 4276.43 MW-37 12/13/2011 0.009 <0.0007 0.002J 0.006 <0.001 0.020 0.22 1.2 8.12 0.00 4274.82 4282.94 5/8/2012 0.001J <0.0007 0.003J 0.011 <0.001 0.017 0.088 1.2 7.17 0.00 4275.77 11/6/2012 0.001J 0.001J <0.0008 <0.0008 <0.001 0.014 0.064 1.2 9.36 0.00 4273.58 5/14/2013 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 0.004J 0.028J 0.087J 8.17 0.00 4274.77 11/6/2013 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 0.002J <0.020 <0.045 10.78 0.00 4272.16 5/21/2014 0.004 <0.0005 0.0005J 0.002 <0.001 0.001 0.023J <0.045 8.32 0.00 4274.62 11/11/2014 <0.0005 <0.0005 <0.0005 0.0006J <0.001 0.002 <0.020 <0.045 9.54 0.00 4273.40 5/11/2015 <0.0005 <0.0005 <0.0005 0.002 <0.001 0.0009 J 0.022 J <0.045 6.42 0.00 4276.52 11/17/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 9.43 0.00 4273.51 5/17/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 NM NM NM 11/14/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 0.001 <0.020 <0.045 8.98 0.00 4273.96 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 4.99 0.00 4277.95 11/13/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 10.67 0.00 4272.27 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 21 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-37 5/22/2018 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 8.00 0.00 4274.94 Continued 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00381 <0.001 0.275 8.75 0.00 4274.19 3/25/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 3.80 0.00 4279.14 6/12/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.458 6.67 0.00 4276.27 11/20/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.374 9.50 0.00 4273.44 5/7/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00322 <0.100 0.167 7.15 0.00 4275.79 11/13/2020 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00336 <0.100 0.288 B 11.18 0.00 4271.76 5/21/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00232 <0.100 0.224 8.42 0.00 4274.52 11/4/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00198 <0.100 0.315 8.54 0.00 4274.40 5/12/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00187 <0.100 0.214 8.42 0.00 4274.52 11/16/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 J3 0.00232 0.0620 B,J 0.233 B 8.45 0.00 4274.49 5/18/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.000357 J 0.114 0.574 4.89 0.00 4278.05 11/14/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00209 <0.100 0.219 8.67 0.00 4274.27 5/15/2024 0.000279 J <0.00100 <0.00100 <0.00300 <0.00500 0.000277 J 0.0623 B,J 0.119 4.48 0.00 4278.46 4282.77 11/6/2024 0.00877 <0.00100 <0.00100 0.00179 J <0.00500 0.00136 0.131 0.367 9.48 0.00 4273.46 5/23/2025 0.00860 0.000293 J <0.00100 0.00221 J <0.00500 C3 0.00115 0.109 0.171 6.55 0.00 4276.39 MW-38 11/6/2013 1.600 0.046 0.033 0.180 0.006 0.003J 4.400 0.610 9.89 0.00 4271.49 4281.38 5/21/2014 0.920 0.021 0.012 0.085 0.003J 0.002 2.300 0.290 6.90 0.00 4274.48 11/11/2014 2.600 0.036 0.017 0.140 0.007J <0.003 5.1 0.690 9.15 0.00 4272.23 5/11/2015 0.900 0.019 0.001 0.057 0.007 0.002 2.8 0.420 5.28 0.00 4276.10 11/17/2015 1.400 0.034 0.011 0.095 0.010 0.002 4.1 0.420 8.98 0.00 4272.40 5/17/2016 0.120 0.002 0.0005J 0.004 <0.001 <0.0005 0.038 0.060J 5.79 0.00 4275.59 11/14/2016 0.990 0.023 <0.001 0.038 <0.002 <0.001 3.1 0.570 8.35 0.00 4273.03 5/15/2017 0.045 0.0009J <0.0005 0.001 <0.001 <0.0005 0.23 <0.045 3.54 0.00 4277.84 11/13/2017 0.670 0.014 0.002 0.017 0.006 0.002 2.1 2.60 NM NM NM 5/22/2018 0.270 0.002 <0.0005 0.003 <0.001 <0.0005 0.66 0.100 6.73 0.00 4274.65 11/7/2018 1.89 0.0352 0.00450 0.0941 0.0174 0.00289 3.85 1.40 7.87 0.00 4273.51 12/30/19 0.157 0.00106 <0.00100 <0.00300 <0.00500 0.00289 0.826 0.491 6.19 0.00 4275.19 03/30/20 0.102 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.306 0.262 B 4.93 0.00 4276.45 11/13/20 0.0343 <0.00100 <0.00100 <0.00300 <0.00500 0.00310 0.199 1.02 10.85 0.00 4270.53 05/21/21 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 7.59 0.00 4273.79 11/04/21 NA NA NA 05/10/22 NA NA NA 11/17/22 0.00856 <0.00100 <0.00100 <0.00300 <0.00500 0.000527 J 0.0710 B,J 0.165 7.86 0.00 4273.52 05/18/23 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.0333 B,J 3.56 0.00 4277.82 11/14/23 0.00219 <0.00100 J3 <0.00100 J3 <0.00300 J3 <0.00500 J3 <0.00100 J,J3 0.0481 J 0.0501 J 7.79 0.00 4273.59 05/15/24 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0487 B,J <0.100 3.19 0.00 4278.19 11/06/24 0.000776 J <0.00100 <0.00100 <0.00300 <0.00500 0.000178 J 0.0413 J 0.168 8.97 0.00 4272.41 05/23/25 0.000164 J <0.00100 <0.00100 <0.00300 <0.00500 C3 <0.00100 <0.100 <0.100 5.23 0.00 4276.15 MW-39 11/6/2013 1.300 0.022 0.008 0.100 0.015 0.005J 3.8 0.930 9.93 0.00 4271.47 4281.4 5/21/2014 1.100 0.024 0.003 0.094 0.009 0.003 3.4 0.840 6.96 0.00 4274.44 11/11/2014 2.800 0.054 0.006 0.200 0.024J 0.003J 6.3 1.200 9.12 0.00 4272.28 5/11/2015 0.220 0.022 0.002 0.061 0.008 0.002 2.8 0.230 5.24 0.00 4276.16 11/17/2015 1.400 0.027 0.003 0.089 0.017 0.003 5.5 0.820 8.98 0.00 4272.42 5/17/2016 0.150 0.003 <0.0005 0.005 0.001J 0.002 0.088 0.310 5.85 0.00 4275.55 11/14/2016 2.400 0.029 <0.001 0.095 0.027J <0.001 6.2 1.200 8.35 0.00 4273.05 5/15/2017 0.095 0.001 <0.0005 0.0007J <0.001 0.001 0.50 0.140 3.58 0.00 4277.82 11/13/2017 1.200 0.012 0.002 0.021 0.016 0.006 4.1 0.980 9.51 0.00 4271.89 5/22/2018 0.290 0.0008J <0.0005 <0.0005 0.002J 0.002J 1.2 0.190 6.80 0.00 4274.60 11/7/2018 0.947 0.00631 0.00126 0.0213 0.0167 0.00387 2.51 2.18 7.80 0.00 4273.60 12/30/19 0.0298 <0.00100 <0.00100 <0.00300 <0.005 <0.00100 0.202 B 0.271 6.14 0.00 4275.26 03/30/20 0.00737 <0.00100 <0.00100 <0.00300 <0.00500 0.00130 <0.100 0.202 4.90 0.00 4276.50 MW-40 11/6/2013 1.800 0.027 0.008 0.150 0.014 0.007 5.5 1.200 9.88 0.00 4271.04 4280.92 5/21/2014 2.400 0.030 0.008 0.170 0.016 0.004 5.6 1.300 6.87 0.00 4274.05 11/11/2014 1.400 0.020 0.005 0.081 0.013 0.003 3.8 0.710 9.10 0.00 4271.82 5/11/2015 0.250 0.003 0.0007 J 0.013 0.002 J 0.0009 J 0.47 0.080 J 5.81 0.00 4275.11 11/17/2015 1.700 0.029 0.006 0.140 0.026 0.004 6.50 1.200 8.94 0.00 4271.98 5/17/2016 0.430 0.008 0.002 0.035 0.005J 0.002 2.00 0.420 5.66 0.00 4275.26 11/14/2016 2.000 0.039 0.026 0.110 <0.002 <0.001 6.80 1.300 8.33 0.00 4272.59 5/15/2017 0.012 <0.0005 <0.0005 <0.0005 <0.001 0.001J 0.031J <0.045 3.40 0.00 4277.52 11/13/2017 0.033 <0.0005 0.0008J <0.0005 <0.001 0.003 0.33 0.120 9.46 0.00 4271.46 5/22/2018 0.270 0.001J 0.0006J <0.0005 <0.001 0.003 0.56 0.200 6.67 0.00 4274.25 11/7/2018 0.226 0.00108 0.00113 <0.00300 <0.00500 0.00533 0.336 1.64 7.70 0.00 4273.22 NS, Roll off covering well NS, Roll off covering well TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 22 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-40 12/30/19 <0.00100 <0.00100 <0.00100 <0.00300 <0.00100 <0.00100 <0.100 <0.100 5.92 0.00 4275.00 Continued 03/30/20 <0.00100 <0.00100 <0.00100 <0.00300 <0.00100 <0.00100 <0.100 <0.100 4.85 0.00 4276.07 11/04/21 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 8.21 0.00 4272.71 05/11/22 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 7.44 0.00 4273.48 11/06/24 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.113 8.91 0.00 4272.01 MW-41 11/6/2013 3.200 0.048 0.025 0.220 0.028 0.007J 9.3 2.000 9.93 0.00 4270.58 4280.51 5/21/2014 4.300 0.064 0.021 0.310 0.025 0.006 9.4 2.400 6.82 0.00 4273.69 11/11/2014 4.500 0.059 0.019 0.300 0.035J 0.006J 9.8 2.600 NM NM NM 5/11/2015 3.500 0.051 0.017 0.210 0.029 0.006 8.6 2.200 5.79 0.00 4274.72 11/17/2015 3.800 0.049 0.018 0.290 0.039 0.006 12 2.200 9.08 0.00 4271.43 5/17/2016 2.100 0.034 0.016 0.130 0.024 0.006 8.1 2.200 5.48 0.00 4275.03 11/14/2016 2.900 0.019J <0.013 0.095 0.030J <0.013 7.1 1.900 8.53 0.00 4271.98 5/15/2017 1.200 0.010 0.011 0.033 0.014 0.006 4.2 1.300 3.23 0.00 4277.28 11/13/2017 0.430 0.004 0.004 0.013 0.008 0.006 2.6 0.920 9.60 0.00 4270.91 5/22/2018 0.088 <0.0005 <0.0005 <0.0005 <0.0005 0.005 0.37 0.440 6.55 0.00 4273.96 11/7/2018 0.210 0.00130 <0.00100 <0.00300 <0.00500 0.0104 0.529 4.96 7.70 0.00 4272.81 12/30/19 0.00149 <0.00100 <0.00100 <0.00300 <0.00100 0.00399 0.134 0.930 6.44 0.00 4274.07 03/30/20 <0.00100 <0.00100 <0.00100 <0.00300 <0.00100 0.00467 <0.100 1.66 5.01 0.00 4275.50 MW-42 11/6/2013 4.000 0.073 0.042 0.280 0.038 0.007J 10 2.000 9.74 0.00 4270.72 4280.46 5/21/2014 3.400 0.046 0.032 0.190 0.022J 0.006 8.1 1.700 6.75 0.00 4273.71 11/11/2014 4.100 0.062 0.036 0.290 0.040 0.006 9.4 2.300 9.05 0.00 4271.41 5/11/2015 1.100 0.011 0.009 0.043 0.010 0.002 3.3 0.460 5.08 0.00 4275.38 5/11/2015**1.500 0.016 0.012 0.061 0.014 0.002 3.7 0.560 NA NA NA 11/17/2015 3.900 0.050 0.034 0.270 0.057 0.007J 11 1.900 8.90 0.00 4271.56 5/17/2016 2.000 0.030 0.039 0.100 0.031 0.005 7.9 1.500 5.01 0.00 4275.45 11/14/2016 3.500 0.035 0.030 0.210 0.052J <0.013 8.6 2.000 8.37 0.00 4272.09 5/15/2017 0.083 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.16 <0.045 3.09 0.00 4277.37 11/13/2017 1.700 0.010 0.018 0.037 0.044 0.009 5.5 1.400 9.39 0.00 4271.07 5/22/2018 0.990 0.002J 0.002J 0.001J 0.012 0.007 2.7 0.760 6.28 0.00 4274.18 11/7/2018 0.227 0.00136 <0.00100 <0.00300 <0.00500 0.00707 0.601 2.64 7.46 0.00 4273.00 12/30/19 0.00115 <0.00100 <0.00100 <0.00300 <0.00500 0.00458 0.200 B 0.878 6.37 0.00 4274.09 03/30/20 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00316 0.117 1.06 4.84 0.00 4275.62 05/11/22 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00164 0.176 B 1.48 7.84 0.00 4272.62 11/17/22 0.000203 J <0.00100 <0.00100 <0.00300 <0.00500 0.00169 0.154 B 1.200 8.40 0.00 4272.06 MW-43 11/6/2013 4.600 0.130 0.051 0.390 0.019J 0.0007J 12 1.900 9.97 0.00 4269.42 4279.39 5/21/2014 3.500 0.089 0.045 0.260 0.011J 0.006 8.8 1.700 6.57 0.00 4273.89 11/11/2014 4.000 0.093 0.044 0.310 0.020J 0.006 9.6 2.000 9.26 0.00 4271.20 5/11/2015 1.200 0.018 0.009 0.042 0.006 0.002 4.0 0.530 5.37 0.00 4275.09 11/17/2015 4.400 0.081 0.034 0.320 0.030 0.007 13 1.800 9.08 0.00 4271.38 5/17/2016 2.200 0.061 0.033 0.190 0.020 0.007 8.6 1.700 5.20 0.00 4275.26 11/14/2016 3.700 0.06 0.025J 0.230 0.030J <0.013 11 1.700 8.56 0.00 4271.90 5/15/2017 0.640 0.011 0.007 0.020 0.007 0.003 2.7 0.370 2.99 0.00 4277.47 11/13/2017 2.700 0.023 0.017 0.071 0.023 0.007 7.2 1.200 9.67 0.00 4270.79 5/22/2018 0.900 0.003 0.004 0.004 0.003J 0.004 3.0 0.600 6.45 0.00 4274.01 11/7/2018 0.212 <0.00100 0.00111 <0.00300 <0.00500 0.00625 0.391 1.89 7.57 0.00 4272.89 12/30/19 0.0035 <0.00100 0.000491 J <0.00106 <0.00100 0.00711 0.461 2.520 6.59 0.00 4272.80 03/30/20 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00543 0.297 2.63 4.92 0.00 4274.47 11/13/20 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00374 0.351 2.32 10.67 0.00 4268.72 05/21/21 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00238 0.213 2.04 8.36 0.00 4271.03 11/04/21 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00165 0.201 1.82 8.93 0.00 4270.46 05/18/23 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.00153 0.144 0.806 3.56 0.00 4275.83 11/14/23 0.000276 J <0.00100 J3 <0.00100 J3 <0.00300 J3 <0.00500 J3 0.00148 J3 0.238 1.540 8.52 0.00 4270.87 05/15/24 0.000857 J <0.00100 <0.00100 <0.00300 <0.00500 0.00118 0.189 B 0.320 3.18 0.00 4276.21 05/23/25 0.0289 0.000572 J 0.000319 J 0.00465 0.00234 C3,J 0.000375 J 0.452 0.500 5.06 0.00 4274.33 MW-44 8/3/2017 1.100 0.006 0.100 0.021 0.027 0.008 4.5 2.200 9.30 0.00 4274.55 4283.85 12/11/2017 0.110 <0.0005 0.003 0.0007 J <0.001 0.003 0.59 0.220 10.05 0.00 4273.80 3/21/2018 0.005 <0.0005 <0.0005 <0.0005 <0.001 0.003 0.17 0.120 7.32 0.00 4276.53 11/7/2018 0.0955 <0.00100 <0.00100 <0.00300 <0.00500 0.00271 0.307 1.25 7.95 0.00 4275.90 11/21/2019 0.184 0.00212 0.00473 0.0149 <0.00500 0.00133 1.54 1.39 9.19 0.00 4274.66 5/7/2020 0.139 0.00201 0.00364 0.0130 <0.00500 0.00130 1.25 0.917 6.30 0.00 4277.55 11/13/2020 0.382 0.00330 0.00631 0.0378 0.0140 0.00149 2.53 1.91 11.31 0.00 4272.54 5/21/2021 0.200 0.00284 0.00570 0.0415 0.0135 <0.00100 2.41 1.64 8.23 0.00 4275.62 TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 23 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) MW-44 11/4/2021 0.323 0.00517 0.00806 0.0818 0.0385 <0.00100 4.15 2.54 8.47 0.00 4275.38 Continued 5/11/2022 0.130 0.00190 0.00197 0.0193 0.0104 0.00105 1.75 1.63 8.02 0.00 4275.83 11/17/2022 0.287 0.00553 0.00980 0.0850 0.0494 J 0.000956 J 2.730 2.130 8.29 0.00 4275.56 5/18/2023 0.00846 <0.00100 0.000310 J 0.00117 J <0.00500 0.000138 J 0.116 0.213 B 4.09 0.00 4279.76 11/14/2023 0.119 0.00308 J 0.00561 0.0215 0.0266 0.000544 J 2.560 1.600 8.32 0.00 4275.53 5/15/2024 0.00256 <0.00100 <0.00100 <0.00300 <0.00500 0.000152 J 0.0407 J 0.0257 J 3.60 0.00 4280.25 11/6/2024 0.0947 0.00256 0.00697 0.0338 0.0520 0.000503 J 2.150 1.640 9.38 0.00 4274.47 5/23/2025 0.0784 0.00154 0.00321 0.0125 0.0170 C3 0.000463 J 1.580 1.190 5.65 0.00 4278.20 MW-45 8/3/2017 1.000 0.020 0.012 0.075 0.061 0.004 5.7 2.200 9.22 0.00 4272.54 4281.76 12/11/2017 0.180 0.002 0.001 0.006 0.001 J 0.001 0.86 0.150 10.08 0.00 4271.68 3/21/2018 0.031 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.11 <0.045 7.19 0.00 4274.57 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 7.78 0.00 4273.98 11/19/2019 0.0925 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.381 0.663 9.18 0.00 4272.58 5/7/2020 0.121 0.00206 <0.00100 <0.00300 <0.00500 <0.00100 0.739 0.713 6.31 0.00 4275.45 11/13/2020 0.185 0.00571 <0.00500 0.0233 <0.0250 <0.00500 1.61 1.69 11.31 0.00 4270.45 5/21/2021 0.145 0.00584 0.00276 0.0266 0.0145 <0.00100 1.98 1.39 8.37 0.00 4273.39 11/4/2021 0.124 0.00301 0.00124 0.00764 0.00555 <0.00100 1.12 1.36 8.64 0.00 4273.12 5/10/2022 NS NS NS NS NS NS NS NS 8.16 0.00 4273.60 11/15/2022 NS NS NS NS NS NS NS NS 8.41 0.00 4273.35 5/18/2023 NS NS NS NS NS NS NS NS 4.12 0.00 4277.64 11/14/2023 NS NS NS NS NS NS NS NS 8.47 0.00 4273.29 5/13/2024 NS NS NS NS NS NS NS NS 3.52 0.00 4278.24 11/4/2024 NS NS NS NS NS NS NS NS 9.39 0.00 4272.37 5/21/2025 NS NS NS NS NS NS NS NS 5.60 0.00 4276.16 MW-46 8/3/2017 4.700 0.240 0.040 0.500 0.140 <0.005 17.0 2.400 9.12 0.00 4272.31 4281.43 12/11/2017 0.120 0.001 <0.0005 0.0005 J <0.001 0.0006 J 0.27 <0.045 10.09 0.00 4271.34 3/21/2018 0.180 0.002 <0.0005 0.0006 J <0.001 0.0005 J 0.48 0.048 J 7.30 0.00 4274.13 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 7.73 0.00 4273.70 11/19/2019 1.61 0.112 0.0173 0.195 0.0304 <0.0100 7.48 3.34 9.44 0.00 4271.99 5/7/2020 1.38 0.123 0.0102 0.188 0.0238 <0.00100 7.33 2.33 6.37 0.00 4275.06 11/13/2020 2.31 0.155 0.0213 0.377 0.149 <0.0200 9.92 3.91 11.39 0.00 4270.04 5/21/2021 0.881 0.0219 0.00211 0.0191 <0.00500 0.00243 1.89 0.595 8.76 0.00 4272.67 11/4/2021 1.89 0.108 0.0202 0.262 0.102 <0.0100 10.9 3.99 9.05 0.00 4272.38 5/11/2022 1.05 0.0485 <0.0200 0.0986 <0.100 <0.0200 4.70 1.82 8.38 0.00 4273.05 11/17/2022 1.680 0.0730 0.0240 0.345 0.120 0.00141 7.680 3.180 8.76 0.00 4272.67 5/18/2023 0.842 0.0326 0.0126 J 0.139 0.0237 J <0.0200 3.710 1.310 4.11 0.00 4277.32 11/14/2023 0.855 0.0446 J3 0.0185 J, J3 0.227 J3 0.0369 J,J3 <0.0200 J3 5.610 1.810 8.73 0.00 4272.70 5/15/2024 0.457 0.0230 0.00578 J 0.0811 0.0309 J <0.0200 2.670 0.386 3.67 0.00 4277.76 11/6/2024 0.492 0.0334 <0.0200 0.196 0.0966 J <0.0200 4.200 2.140 9.44 0.00 4271.99 5/23/2025 0.507 0.0258 0.0150 0.150 0.0671 C3 0.000315 J 4.140 1.720 5.61 0.00 4275.82 GP-1 8/29/2000 25.64 0.00 4286.59 4312.23 NR NR NR NR 12/11/2007 NR NR NR GP-2 8/29/2000 27.98 0.00 4282.70 4310.68 NR NR NR NR 12/11/2007 NR NR NR 3/22/2011 28.60 0.00 4284.99 GP-3 8/29/2000 Piezometer for groundwater level measurements only 16.17 0.00 4287.62 4303.79 NR Piezometer for groundwater level measurements only NR NR NR 12/11/2007 NR NR NR 3/22/2011 8.99 0.00 4297.69 GP-4 8/29/2000 Piezometer for groundwater level measurements only 15.96 0.00 4291.89 4307.85 NR Piezometer for groundwater level measurements only NR 0.00 NR 6/20/2006 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 NA <0.022 0.033J 12.05 0.00 4298.62 10/4/2006 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.075 J 13.32 0.00 4297.35 12/26/2006 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.31 14.54 0.00 4296.13 3/13/2007 NS NS NS NS NS NS NS NS NR NR NR GP-4 9/10/2007 NS NS NS NS NS NS NS NS NR NR NR 12/11/2007 NS NS NS NS NS NS NS NS NR NR NR 3/22/2011 NS NS NS NS NS NS NS NS 12.42 0.00 4298.25 GP-7 8/29/2000 Piezometer for groundwater level measurements only 12.19 0.00 4285.04 4297.23 NR Piezometer for groundwater level measurements only NR NR NR 12/11/2007 NR NR NR Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 24 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) GP-9 8/29/2000 Piezometer for groundwater level measurements only 8.76 0.00 4286.85 4295.61 NR Piezometer for groundwater level measurements only NR NR NR 12/11/2007 ***0.012 <0.0007 <0.0008 <0.0008 0.008 <0.0005 0.10 0.40 6.95 0.00 4291.43 6/20/2008 NS NS NS NS NS NS NS NS 8.45 0.00 4289.93 9/26/2008 0.006 <0.0007 <0.0008 <0.0008 0.016 <0.0005 0.08 0.75 8.71 0.00 4289.67 12/31/2008 0.004 J <0.0007 <0.0008 <0.0008 0.002 J <0.0005 0.048 J 0.54 8.80 0.00 4289.58 3/24/2009 0.014 <0.005 <0.005 <0.005 0.031 <0.005 0.24 1.30 7.75 0.00 4290.63 6/23/2009 NS NS NS NS NS NS NS NS 6.94 0.00 4291.44 9/22/2009 NS NS NS NS NS NS NS NS 8.57 0.00 4289.81 12/21/2009 NS NS NS NS NS NS NS NS 8.95 0.00 4289.43 3/23/2010 NS NS NS NS NS NS NS NS 8.11 0.00 4290.27 6/14/2010 NS NS NS NS NS NS NS NS 7.14 0.00 4291.24 9/28/2010 NS NS NS NS NS NS NS NS 8.10 0.00 4287.51 12/13/2011 Well has been asphalted over NR NR NR GP-14 8/29/2000 Piezometer for groundwater level measurements only 6.86 0.00 4280.44 4287.3 NR Piezometer for groundwater level measurements only NR NR NR 12/11/2007 NR NR NR GP-16 8/29/2000 Piezometer for groundwater level measurements only 14.81 0.00 4275.25 4290.06 NR Piezometer for groundwater level measurements only NR NR NR 12/11/2007 0.054 0.018 J 0.720 2.300 0.290 <0.002 14.00 3.60 10.30 0.00 4283.76 6/20/2008 NS NS NS NS NS NS NS NS 10.68 0.00 4283.38 9/26/2008 NS NS NS NS NS NS NS NS 14.22 0.00 4279.84 3/24/2009 11.50 0.00 4282.56 6/23/2009 11.45 0.00 4282.61 9/22/2009 13.47 0.00 4280.59 6/14/2010 10.76 0.00 4283.30 9/28/2010 12.53 0.00 4277.53 12/13/2011 10.99 0.00 4279.07 5/8/2012 9.20 0.00 4280.86 11/17/2015 11.19 0.00 4278.87 GP-17 8/29/2000 Piezometer for groundwater level measurements only 15.27 0.00 4275.99 4291.26 NR Piezometer for groundwater level measurements only NR NR NR 3/24/2009 11.40 0.00 4279.86 6/23/2009 11.45 0.00 4279.81 3/23/2010 11.38 0.00 4279.88 5/14/2013 11.70 0.00 4279.56 11/6/2013 13.68 0.00 4277.58 5/11/2015 9.91 0.00 4281.35 11/17/2015 12.74 0.00 4278.52 5/17/2016 8.14 0.00 4283.12 11/14/2016 12.36 0.00 4278.90 11/19/2019 14.29 0.00 4276.97 5/5/2020 11.83 0.00 4279.43 11/11/2020 14.74 0.00 4276.52 5/19/2021 12.36 0.00 4278.90 11/2/2021 12.23 0.00 4279.03 5/10/2022 11.94 0.00 4279.32 11/15/2022 11.55 0.00 4279.71 5/16/2023 10.18 0.00 4281.08 11/14/2023 13.29 0.00 4277.97 5/13/2024 9.58 0.00 4281.68 11/4/2024 13.84 0.00 4277.42 5/21/2025 10.72 0.00 4280.54 GP-24 8/29/2000 Piezometer for groundwater level measurements only 13.38 0.00 4272.52 4285.90 NR Piezometer for groundwater level measurements only NR NR NR 12/11/2007 NR NR NR 12/23/2008 11.58 0.00 4274.32 3/24/2009 8.95 0.00 4276.95 3/22/2011 6.79 0.00 4279.11 11/13/2017 12.62 0.00 4273.28 GP-27 8/29/2000 Piezometer for groundwater level measurements only 10.64 0.00 4269.58 4280.22 NR Piezometer for groundwater level measurements only NR NR NR 12/11/2007 1.700 0.053 0.910 0.270 0.290 0.009 J 14.00 5.40 8.61 0.00 4274.39 3/11/2008 1.400 0.053 0.740 0.260 0.280 0.008 J 13.00 5.70 5.69 0.00 4277.31 6/20/2008 0.750 0.072 0.550 0.330 0.300 0.008 8.40 3.80 8.13 0.00 4274.87 9/26/2008 1.000 0.057 0.720 0.220 0.240 0.007 9.40 4.40 11.57 0.00 4271.43 12/31/2008 1.500 0.077 0.940 0.360 0.230 0.009 9.30 4.70 10.91 0.00 4272.09 3/24/2009 1.300 0.061 0.650 0.230 0.220 <0.050 6.90 3.00 7.97 0.00 4275.03 6/23/2009 1.800 0.075 J 0.890 0.375 J 0.250 0.0075 J 13 3.6 8.55 0.00 4274.45 9/22/2009 1.200 0.087 0.980 0.420 0.410 0.009 12 3.3 11.63 0.00 4271.37 Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 25 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) GP-27 12/21/2009 1.500 0.080 0.780 0.346 0.260 <0.010 10 3.3 11.84 0.00 4271.16 Continued 3/23/2010 2.100 0.087 0.830 0.348 0.220 <0.020 13 4.8 8.98 0.00 4274.02 6/14/2010 0.850 0.058 0.720 0.293 0.280 <0.005 10 3.5 7.22 0.00 4275.78 9/28/2010 1.200 0.070 0.790 0.305 0.320 <0.010 11 2.1 10.19 0.00 4272.81 12/27/2010 0.910 0.075 0.760 0.263 0.250 <0.010 11 1.5 5.77 0.00 4277.23 3/22/2011 0.720 0.055 0.560 0.274 0.290 <0.001 8.4 1.3 5.48 0.00 4277.52 6/28/2011 0.411 0.0189 0.192 0.120 0.299 0.0024 5.02 0.616 4.46 0.00 4278.54 9/20/2011 0.840 0.036 0.800 0.320 0.390 0.005J 8.1 6.1 9.23 0.00 4273.77 12/13/2011 0.480 0.053 0.500 0.260 0.250 0.003J 8.8 5.0 9.04 0.00 4273.96 5/8/2012 0.180 0.058 0.160 0.220 0.230 0.003J 3.7 4.6 7.08 0.00 4275.92 11/6/2012 1.300 0.073 0.940 0.360 0.370 0.005J 11 5.7 10.55 0.00 4272.45 5/14/2013 0.560 0.047 0.680 0.250 0.270 0.002J 7.8 3.5 7.94 0.00 4275.06 11/6/2013 1.100 0.076 0.980 0.370 0.430 0.003J 11 2.900 11.30 0.00 4271.70 5/21/2014 0.800 0.077 0.950 0.400 0.300 0.002 8.5 3.500 8.04 0.00 4274.96 11/11/2014 0.710 0.064 0.740 0.270 0.310 <0.003 9.0 2.100 9.97 0.00 4273.03 5/11/2015 0.300 0.034 0.410 0.150 0.240 <0.003 5.8 1.800 5.53 0.00 4277.47 11/17/2015 0.640 0.073 0.900 0.370 0.420 0.001 12 2.500 10.18 0.00 4272.82 5/17/2016 0.190 0.017 0.039 0.068 0.130 <0.0005 3.2 1.100 7.19 0.00 4275.81 11/14/2016 0.270 0.043 0.560 0.130 0.220 <0.001 5.6 3.400 9.18 0.00 4273.82 5/15/2017 0.190 0.021 0.250 0.099 0.140 <0.0005 3.6 0.850 5.00 0.00 4278.00 11/13/2017 0.430 0.073 0.930 0.330 0.420 0.0006J 11 2.300 10.95 0.00 4272.05 5/22/2018 0.250 0.054 0.550 0.160 0.260 <0.0005 7.9 2.000 7.80 0.00 4275.20 11/7/2018 0.167 0.0312 0.274 0.109 0.184 <0.00100 2.05 1.90 8.30 0.00 4274.70 11/21/2019 0.164 0.0340 0.937 0.128 0.331 <0.00100 6.04 3.96 9.45 0.00 4273.55 5/7/2020 0.00770 0.00187 0.0244 0.00416 0.00957 B <0.00100 0.660 0.565 7.01 0.00 4275.99 11/13/2020 0.0989 0.0355 0.876 0.194 0.413 <0.0200 2.40 3.89 11.69 0.00 4271.31 5/21/2021 0.0593 0.0295 0.791 0.106 0.283 <0.00100 9.56 3.88 8.78 0.00 4274.22 11/4/2021 0.0140 0.00606 0.126 0.0260 0.0834 <0.00500 3.82 2.46 8.85 0.00 4274.15 5/11/2022 0.0492 0.0244 0.635 0.0844 0.227 <0.00500 9.77 4.23 8.62 0.00 4274.38 11/17/2022 0.0147 0.00543 0.135 0.0220 0.0615 <0.00100 1.740 1.230 8.21 0.00 4274.79 5/18/2023 0.0216 0.00272 0.0237 0.00971 0.0403 <0.00100 0.626 0.880 4.79 0.00 4278.21 11/14/2023 0.0494 0.0170 0.522 0.0680 0.204 <0.0100 6.660 2.880 8.80 0.00 4274.20 5/15/2024 0.00642 0.00109 0.00756 0.00403 0.0205 <0.00100 0.780 B 0.316 4.15 0.00 4278.85 11/6/2024 0.0221 0.0295 0.659 Q 0.0856 0.106 Q <0.00100 7.690 3.370 9.86 0.00 4273.14 5/23/2025 0.00110 <0.00100 0.00293 0.00105 J 0.00625 <0.00100 <0.500 0.356 6.35 0.00 4276.65 GP-28 7/6/2005 DRY NR DRY 4302.57 12/13/2005 NR NR NR 12/11/2007 NR NR NR 3/12/2008 NR NR NR GP-29 7/6/2005 35.10 0.00 4267.52 4302.62 12/13/2005 NR NR NR 12/11/2007 NR NR NR 3/12/2008 NR NR NR GP-30 7/6/2005 6.50 0.00 4290.23 4296.73 12/13/2005 NR NR NR 12/11/2007 NR NR NR 3/12/2008 NR NR NR GP-31 7/6/2005 6.32 0.00 4289.96 4296.28 12/13/2005 NR NR NR 12/11/2007 NR NR NR 3/12/2008 NR NR NR GP-33 7/13/2005 8.00 0.250 0.970 2.300 0.280 0.240 32.00 24.00 5.85 0.00 4288.66 4294.51 12/13/2005 6.91 0.00 4287.60 6/27/2007 6.100 0.200 1.200 1.800 0.300 0.150 24.00 15.00 6.33 0.00 4288.18 9/10/2007 6.800 0.110 0.670 0.810 0.440 0.037 25.00 8.00 7.60 0.00 4286.91 12/11/2007 3.700 0.050 0.360 0.500 0.140 0.087 14.00 7.40 5.36 0.00 4289.15 3/11/2008 5.500 0.110 0.640 0.860 0.160 0.077 17.00 6.70 4.91 0.00 4289.60 6/19/2008 6.500 0.110 0.820 0.900 0.430 0.090 18.00 4.40 6.23 0.00 4288.28 9/26/2008 8.000 0.093 0.790 0.790 0.370 0.053 19.00 8.70 7.54 0.00 4286.97 12/30/2008 8.200 0.110 0.940 1.100 0.380 0.095 19.00 12.00 6.34 0.00 4288.17 3/24/2009 8.900 0.130 0.980 0.980 0.340 0.083 24.00 5.80 5.76 0.00 4288.75 6/23/2009 NS NS NS NS NS NS NS NS 5.26 0.00 4289.25 9/22/2009 NS NS NS NS NS NS NS NS 7.00 0.00 4287.51 12/21/2009 NS NS NS NS NS NS NS NS 6.55 0.00 4287.96 3/23/2010 NS NS NS NS NS NS NS NS 5.73 0.00 4288.78 6/14/2010 NS NS NS NS NS NS NS NS 5.19 0.00 4289.32 9/28/2010 NS NS NS NS NS NS NS NS 6.70 0.00 4287.81 Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 26 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) GP-33 12/27/2010 NS NS NS NS NS NS NS NS 4.41 0.00 4290.10 Continued 3/22/2011 NS NS NS NS NS NS NS NS 4.49 0.00 4290.02 6/28/2011 NS NS NS NS NS NS NS NS 4.23 0.00 4290.28 9/20/2011 NS NS NS NS NS NS NS NS 6.48 0.00 4288.03 5/8/2012 NS NS NS NS NS NS NS NS 5.13 0.00 4289.38 11/11/2014 NS NS NS NS NS NS NS NS 7.06 0.00 4287.45 11/14/2016 NS NS NS NS NS NS NS NS 6.99 0.00 4287.52 GP-34 7/13/2005 2.100 0.140 0.780 0.320 0.500 <0.001 14.00 23.00 6.70 0.00 4288.65 4295.35 12/13/2005 NR NR NR 6/20/2006 1.800 0.098 0.690 0.190 0.400 NA 9.10 7.50 6.00 0.00 4289.35 10/4/2006 1.300 0.094 0.410 0.230 0.240 0.002 J 7.90 7.10 NR NR NR 12/26/2006 0.540 0.036 0.290 0.089 0.160 0.002 J 1.60 7.90 7.70 0.00 4287.65 3/13/2007 1.00 0.061 0.270 0.110 0.120 <0.0005 5.00 71.00 6.02 0.00 4289.33 6/27/2007 0.97 0.051 0.250 0.069 0.120 0.003 J 6.60 18.00 7.61 0.00 4287.74 9/10/2007 FP FP FP FP FP FP FP FP NR NR NR 12/11/2007 0.290 0.014 0.049 0.037 0.032 <0.0005 5.00 9.400 5.91 0.00 4289.44 3/11/2008 1.100 0.047 0.260 0.077 0.095 <0.001 6.60 6.50 5.43 0.00 4289.92 6/19/2008 1.100 0.061 0.380 0.120 0.180 0.002 J 6.00 4.50 7.48 0.00 4287.87 9/26/2008 2.000 0.300 0.310 0.230 0.170 0.013 9.70 31.00 9.18 0.00 4286.17 12/23/2008 0.550 0.033 0.150 0.086 0.096 <0.005 3.60 7.30 7.13 0.00 4288.22 3/24/2009 0.730 0.055 0.380 0.066 0.140 <0.005 5.50 0.87 6.57 0.00 4288.78 6/23/2009 0.420 0.021 0.140 0.032 0.082 <0.005 3.4 0.64 5.53 0.00 4289.82 9/22/2009 0.810 0.350 0.380 0.361 0.180 0.0015 6.2 2.6 8.64 0.00 4286.71 12/21/2009 0.700 0.042 0.320 0.113 0.140 <0.005 4.2 0.75 8.31 0.00 4287.04 3/23/2010 1.300 0.072 0.380 0.118 0.160 <0.010 7.4 0.42 6.59 0.00 4288.76 6/14/2010 0.021 0.0011 <0.001 0.0028 0.013 <0.001 0.46 0.88 4.95 0.00 4290.40 9/28/2010 1.200 0.130 0.110 0.107 0.072 0.0054 5.0 2.0 8.40 0.00 4286.95 12/27/2010 0.310 0.015 0.110 0.0248 0.056 <0.001 2.9 0.97 NM NM NM 3/22/2011 0.054 0.0048 0.0062 0.0105 0.019 <0.001 1.2 0.58 4.72 0.00 4290.63 6/28/2011 0.0106 <0.001 0.0015 0.00046J 0.0035J <0.001 0.209 <0.47 3.06 0.00 4292.29 9/20/2011 0.440 0.026 0.046 0.048 0.061 <0.0005 2.2 8.1 7.79 0.00 4287.56 12/13/2011 0.570 0.045 0.300 0.075 0.170 <0.0005 4.4 5.1 7.76 0.00 4287.59 5/8/2012 0.310 0.034 0.250 0.060 0.140 <0.0005 3.3 2.8 5.90 0.00 4289.45 11/6/2012 0.420 0.027 0.130 0.050 0.076 <0.0005 4.8 11 10.16 0.00 4285.19 5/14/2013 0.480 0.028 0.100 0.033 0.080 <0.0005 3.0 3.300 7.01 0.00 4288.34 11/6/2013 1.200 0.400 0.098 0.240 0.060 0.003 J 4.9 12.000 9.12 0.00 4286.23 5/21/2014 0.059 0.002 0.002 0.001 0.009 <0.0005 0.33 1.800 7.14 0.00 4288.21 11/11/2014 0.790 0.130 0.051 0.092 0.031 0.005 3.3 1.500 8.71 0.00 4286.64 5/11/2015 0.004 <0.0005 <0.0005 <0.0005 0.001 J <0.0005 0.59 1.800 3.96 0.00 4291.39 11/17/2015 0.480 0.026 0.047 0.041 0.079 <0.0005 4.10 0.840 8.25 0.00 4287.10 5/17/2016 0.056 0.002 0.004 0.003 0.006 <0.0005 0.72 1.600 5.63 0.00 4289.72 11/14/2016 0.360 0.026 0.028 0.039 0.054 <0.001 4.90 4.000 8.38 0.00 4286.97 5/15/2017 0.180 0.005 0.001 0.011 0.021 <0.0005 2.40 1.400 4.77 0.00 4290.58 11/13/2017 0.500 0.130 0.048 0.210 0.062 <0.0005 5.30 5.000 9.34 0.00 4286.01 5/22/2018 0.580 0.031 0.049 0.051 0.190 <0.001 4.70 2.000 6.42 0.00 4288.93 11/7/2018 0.412 0.0348 0.0257 0.0523 0.0797 <0.00100 4.08 5.170 8.14 0.00 4287.21 3/25/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 0.007 0.513 0.670 3.17 0.00 4292.18 6/10/2019 0.0719 0.00399 0.00674 0.00813 0.0260 <0.00100 0.724 0.650 4.06 0.00 4291.29 11/21/2019 0.550 0.272 0.112 0.314 0.0639 <0.0100 5.92 6.93 9.62 0.00 4285.73 5/7/2020 0.0967 0.00971 0.00795 <0.0150 <0.0250 <0.00500 0.885 B 1.74 7.27 0.00 4288.08 11/13/2020 0.345 0.218 0.129 0.395 0.0874 <0.0100 3.47 3.70 10.03 0.00 4285.32 5/21/2021 0.114 <0.0100 0.0105 <0.0300 <0.0500 <0.0100 2.95 1.89 7.92 0.00 4287.43 11/4/2021 0.183 0.0108 0.0103 <0.0300 0.0539 <0.0100 3.25 2.67 7.29 0.00 4288.06 5/12/2022 0.143 0.0180 <0.0100 <0.0300 <0.0500 <0.0100 0.736 3.33 7.40 0.00 4287.95 11/17/2022 0.0508 0.00395 J 0.00222 J 0.00450 J <0.0500 <0.0100 1.37 B 1.880 7.09 0.00 4288.26 5/18/2023 0.0215 0.000496 J 0.00412 J 0.00635 J 0.00289 J <0.00100 0.190 0.520 4.07 0.00 4291.28 11/14/2023 0.499 0.0261 0.0268 0.0411 0.102 0.000491 J 2.070 2.210 7.68 0.00 4287.67 5/14/2024 0.00155 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0598 B,J 0.118 3.72 0.00 4291.63 11/6/2024 0.329 Q 0.158 Q 0.0922 Q 0.177 0.0576 Q <0.00100 2.930 3.650 8.33 0.00 4287.02 5/23/2025 0.312 0.0106 1.570 0.378 0.484 C3 <0.0100 <0.100 0.176 4.62 0.00 4290.73 GP-35 7/13/2005 0.024 0.002J 0.054 0.022 0.260 <0.0005 3.20 8.20 5.90 0.00 4289.65 4295.55 12/13/2005 NR NR NR 12/11/2007 NR NR NR 12/23/2008 8.62 0.00 4286.93 3/24/2009 6.71 0.00 4288.84 6/23/2009 6.17 0.00 4289.38 3/23/2010 7.94 0.00 4287.61 6/14/2010 6.22 0.00 4289.33 Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 27 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) GP-35 12/27/2010 4.76 0.00 4290.79 Continued 3/22/2011 5.02 0.00 4290.53 6/28/2011 3.44 0.00 4292.11 9/20/2011 8.34 0.00 4287.21 12/13/2011 8.74 0.00 4286.81 5/8/2012 6.32 0.00 4289.23 11/6/2012 9.49 0.00 4286.06 5/14/2013 7.69 0.00 4287.86 11/6/2013 10.26 0.00 4285.29 5/21/2014 7.14 0.00 4288.41 11/11/2014 9.73 0.00 4285.82 5/11/2015 5.95 0.00 4289.60 11/17/2015 9.39 0.00 4286.16 5/17/2016 7.53 0.00 4288.02 11/14/2016 9.35 0.00 4286.20 5/15/2017 3.82 0.00 4291.73 11/13/2017 9.91 0.00 4285.64 5/22/2018 7.22 0.00 4288.33 11/7/2018 8.73 0.00 4286.82 11/19/2019 10.23 0.00 4285.32 5/5/2020 7.76 0.00 4287.79 11/11/2020 11.00 0.00 4284.55 5/19/2021 9.20 0.00 4286.35 11/2/2021 8.88 0.00 4286.67 5/10/2022 8.65 0.00 4286.90 11/15/2022 8.73 0.00 4286.82 5/16/2023 3.63 0.00 4291.92 11/14/2023 8.78 0.00 4286.77 5/13/2024 3.16 0.00 4292.39 11/4/2024 9.38 0.00 4286.17 5/21/2025 6.16 0.00 4289.39 GP-37 7/6/2005 3.800 0.310 2.100 8.700 0.510 0.003J 53.00 9.00 3.57 0.00 4286.16 4289.73 12/13/2005 NR NR NR 3/13/2007 NR NR NR 6/27/2007 NR NR NR 9/10/2007 NR NR NR 12/11/2007 NR NR NR 3/12/2008 NR NR NR 6/18/2008 NR NR NR 12/23/2008 5.79 0.00 4283.94 3/24/2009 4.43 0.00 4285.30 6/23/2009 4.42 0.00 4285.31 3/23/2010 4.50 0.00 4285.23 9/20/2011 5.96 0.00 4283.77 5/21/2014 4.42 0.00 4285.31 3/25/2019 0.917 0.0283 0.187 0.319 0.0588 <0.00100 4.55 2.25 1.98 0.00 4287.75 6/10/2019 1.05 0.0235 0.525 0.511 0.126 <0.00100 6.59 3.24 1.95 0.00 4287.78 11/6/2024 1.460 0.0278 0.0989 0.271 0.181 <0.0100 5.690 11.200 7.07 0.00 4282.66 5/23/2025 0.412 <0.100 1.910 0.511 0.477 J <0.100 9.980 5.900 3.44 0.00 4286.29 GP-38 7/6/2005 1.30 0.064 0.530 2.30 0.310 0.010 22.00 6.80 4.15 0.00 4286.07 4290.22 12/13/2005 NR NR NR 6/20/2006 0.740 0.046 0.520 3.00 0.330 NA 18.00 4.30 3.79 0.00 4286.43 10/4/2006 2.00 0.064 0.370 1.00 0.250 0.028 15.00 4.60 5.83 0.00 4284.39 12/26/2006 2.50 0.062 0.380 0.740 0.360 0.037 14.00 4.90 3.19 0.00 4287.03 3/13/2007 1.00 0.061 0.690 3.60 0.330 0.006 20.00 7.00 4.04 0.00 4286.18 6/27/2007 2.300 0.060 0.250 0.450 0.320 0.038 14.00 5.30 6.39 0.00 4283.83 9/10/2007 2.200 0.060 0.440 0.650 0.250 0.025 14.00 6.90 7.24 0.00 4282.98 12/11/2007 1.800 0.048 0.540 1.300 0.280 0.020 J 16.00 6.30 4.48 0.00 4285.74 3/11/2008 1.000 0.054 0.730 3.600 0.300 .004 J 20.00 5.20 3.34 0.00 4286.88 6/19/2008 2.300 0.055 0.070 0.290 0.320 .024 J 7.60 3.70 6.18 0.00 4284.04 9/26/2008 2.300 0.053 0.500 0.530 0.300 0.023 12.00 3.80 7.48 0.00 4282.74 12/30/2008 1.900 0.043 0.390 0.430 0.270 0.016 9.50 4.00 5.87 0.00 4284.35 3/24/2009 0.890 <0.050 0.490 2.120 0.200 <0.050 14.00 3.50 4.83 0.00 4285.39 6/23/2009 NS NS NS NS NS NS NS NS 4.66 0.04 4285.56 9/22/2009 NS NS NS NS NS NS NS NS 6.20 0.02 4284.02 12/21/2009 NS NS NS NS NS NS NS NS 4.72 0.00 4285.50 3/23/2010 NS NS NS NS NS NS NS NS 4.51 0.00 4285.71 Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 28 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) GP-38 6/14/2010 NS NS NS NS NS NS NS NS 4.13 0.00 4286.09 Continued 9/28/2010 NS NS NS NS NS NS NS NS 5.84 0.00 4284.38 12/27/2010 2.300 8.200 1.100 5.700 0.280 <0.100 39 3.1 3.00 0.00 4287.22 3/23/2011 1.200 8.600 1.400 8.200 0.370 <0.001 48 2.3 NM NM NM 6/28/2011 0.544 4.070 0.930 5.04 0.322 <0.001 25.1 3.14 2.56 0.00 4287.66 9/20/2011 0.270 0.150 0.630 0.620 0.500 <0.0005 8.5 4.4 5.91 0.00 4284.31 12/13/2011 0.320 0.470 0.490 1.300 0.300 <0.0005 12.0 4.3 5.56 0.00 4284.66 5/8/2012 0.280 0.400 0.370 1.300 0.270 <0.0005 9.3 4.0 4.07 0.00 4286.15 11/6/2012 0.150 0.270 0.520 1.300 0.430 <0.0005 11 5.5 5.61 0.00 4284.61 5/14/2013 0.210 0.150 0.360 1.400 0.400 <0.0005 10 4.2 4.78 0.00 4285.44 11/6/2013 0.062 0.071 0.400 0.600 0.440 <0.001 7.8 3.100 6.14 0.00 4284.08 5/21/2014 0.075 0.064 0.170 0.520 0.240 <0.0005 7.5 3.500 4.50 0.00 4285.72 11/11/2014 0.046 0.036 0.260 0.540 0.350 <0.001 7.3 3.500 9.12 0.00 4281.10 5/11/2015 0.065 0.050 0.240 1.500 0.210 <0.0005 9.4 3.200 3.17 0.00 4287.05 11/17/2015 0.053 0.037 0.270 0.660 0.250 <0.0005 9.8 3.100 5.84 0.00 4284.38 5/17/2016 0.089 0.190 0.540 3.000 0.270 <0.0005 21 4.300 3.30 0.00 4286.92 11/14/2016 0.029 0.018 0.160 0.540 0.230 <0.0005 6.7 3.400 6.31 0.00 4283.91 5/15/2017 0.071 0.024 0.210 0.860 0.120 <0.0005 6.5 1.400 5.27 0.00 4284.95 11/13/2017 0.057 0.034 0.250 0.820 0.210 <0.0005 8.6 3.100 6.93 0.00 4283.29 5/22/2018 0.011 0.004 0.009 0.110 0.008 <0.0005 1.1 0.280 4.72 0.00 4285.50 11/7/2018 0.0308 0.0139 0.0698 0.509 0.0426 <0.00100 2.98 1.88 4.95 0.00 4285.27 3/25/2019 0.0415 0.00326 0.0192 0.157 0.0326 <0.00100 1.32 0.742 3.35 0.00 4286.87 6/10/2019 0.0104 <0.00100 0.00436 0.0267 0.00914 <0.00100 0.236 0.406 2.29 0.00 4287.93 11/21/2019 0.167 <0.0100 0.0300 0.132 <0.0500 <0.0100 3.78 2.36 7.86 0.00 4282.36 5/7/2020 0.0913 0.0172 0.331 1.02 <0.100 <0.00100 8.87 3.28 5.18 0.00 4285.04 11/13/2020 0.198 0.0117 0.0787 0.251 0.0771 <0.0100 3.82 2.15 8.26 0.00 4281.96 5/21/2021 0.0961 0.0144 0.290 0.770 0.139 <0.00100 6.57 2.72 5.93 0.00 4284.29 11/4/2021 0.0391 <0.0100 0.0549 0.301 0.0926 <0.0100 7.98 4.01 4.87 0.00 4285.35 5/12/2022 0.00180 <0.00100 0.00127 0.00650 <0.00500 <0.00100 0.208 B 0.689 5.37 0.00 4284.85 11/17/2022 0.0796 0.00846 0.100 0.361 0.129 <0.00100 2.900 4.170 7.86 0.00 4282.36 5/18/2023 0.0804 0.00827 0.0885 0.237 0.293 <0.00500 4.020 3.690 3.01 0.00 4287.21 11/14/2023 0.0969 0.00539 0.0784 0.241 0.170 <0.00500 4.620 4.240 6.43 0.00 4283.79 5/14/2024 0.0843 0.00814 0.157 0.323 0.310 <0.00500 3.760 2.760 2.79 0.00 4287.43 11/4/2024 NA NA NA 5/21/2025 NA NA NA GP-40 7/14/2005 0.460 0.005 0.003J 0.014 0.006 0.031 4.10 NA 11.63 0.00 4278.57 4290.20 12/13/2005 NR NR NR 6/20/2006 0.045 0.001J 0.001J 0.003J <0.001 NA 0.23 0.63 5.86 0.00 4284.34 10/4/2006 0.092 0.002 J 0.002 J 0.005 0.001 J 0.012 2.20 1.60 7.31 0.00 4282.89 12/26/2006 0.048 0.001 J 0.002 J 0.004 J <0.001 0.014 2.10 2.00 8.30 0.00 4281.90 3/13/2007 NS NS NS NS NS NS NS NS NR NR NR GP-40 9/10/2007 0.110 0.002 J 0.001 J 0.007 0.001 J 0.015 3.00 2.30 NR NR NR 12/11/2007 0.058 0.002 J 0.0009 J 0.006 0.002 J 0.008 1.60 0.95 7.62 0.00 4282.58 3/11/2008 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.049 J 4.87 0.00 4285.33 6/19/2008 0.110 .002 J .003 J .004 J .001 J .005 J 1.30 0.94 8.64 0.00 4281.56 9/26/2008 0.083 0.002 J 0.002 J 0.007 0.003 J 0.004 J 1.30 1.60 11.81 0.00 4278.39 12/31/2008 0.130 0.002 J 0.002 J 0.013 0.002 J 0.003 J 1.90 1.30 10.30 0.00 4279.90 3/24/2009 0.0064 <0.005 <0.005 <0.005 <0.005 <0.005 0.14 0.22 7.21 0.00 4282.99 6/23/2009 0.0260 <0.005 <0.005 <0.005 <0.005 <0.005 0.58 0.28 7.13 0.00 4283.07 9/22/2009 0.0850 <0.001 <0.001 0.0011 J <0.001 0.0028 0.71 0.50 10.02 0.00 4280.18 12/21/2009 0.150 0.001 <0.001 0.004 0.001 0.0066 0.64 0.55 8.29 0.00 4281.91 3/23/2010 0.062 <0.001 <0.001 <0.001 <0.001 0.0033 0.54 0.53 7.91 0.00 4282.29 6/14/2010 0.0051 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.16 6.63 0.00 4283.57 9/28/2010 0.013 <0.001 <0.001 <0.001 <0.001 0.0011 0.28 0.15 8.48 0.00 4281.72 12/27/2010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.08 4.52 0.00 4285.68 3/22/2011 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.1 0.63 4.40 0.00 4285.80 6/28/2011 <0.0005 <0.001 <0.001 <0.001 <0.005 <0.001 <0.20 <0.47 3.87 0.00 4286.33 9/20/2011 0.018 <0.0007 <0.0008 <0.0008 <0.001 0.001J 0.34 0.54 8.85 0.00 4281.35 12/13/2011 0.004J <0.0007 <0.0008 <0.0008 0.001J <0.0005 0.17 0.55 8.10 0.00 4282.10 5/8/2012 <0.0005 <0.0007 <0.0008 <0.0008 <0.001 <0.0005 <0.020 0.070J 6.18 0.00 4284.02 11/6/2012 0.002J <0.0007 <0.0008 <0.0008 <0.001 <0.0005 0.22 0.51 8.15 0.00 4282.05 5/14/2013 0.002J <0.007 <0.0008 0.001J 0.002J <0.0005 0.025J <0.042 6.91 0.00 4283.29 11/6/2013 0.007 <0.007 <0.0008 <0.0008 <0.001 <0.0005 0.31 0.190 9.16 0.00 4281.04 5/21/2014 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.030J <0.020 6.73 0.00 4283.47 11/11/2014 0.001J <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.24 0.073J 9.10 0.00 4281.10 5/11/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.020 4.25 0.00 4285.95 11/17/2015 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 0.15 0.063J 8.10 0.00 4282.10 5/17/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 4.93 0.00 4285.27 11/14/2016 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 8.84 0.00 4281.36 Blockage in well. Unable to sample Piezometer for groundwater level measurements only Blockage in well. Unable to sample TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 29 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) GP-40 5/15/2017 <0.0005 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.020 <0.045 4.47 0.00 4285.73 Continued 11/13/2017 <0.0005 <0.0005 <0.0005 <0.0005 0.002J <0.0005 <0.020 <0.045 9.74 0.00 4280.46 5/22/2018 <0.0005 <0.0005 <0.0005 <0.0005 0.002J <0.0005 <0.020 <0.045 7.16 0.00 4283.04 11/7/2018 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.182 8.06 0.00 4282.14 3/25/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 <0.100 3.25 0.00 4286.95 6/10/2019 0.00386 <0.00100 0.00108 <0.00300 <0.00500 <0.00100 <0.100 <0.100 3.90 0.00 4286.30 11/21/2019 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.272 B 0.236 B 10.68 0.00 4279.52 5/7/2020 0.00454 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.278 0.190 7.49 0.00 4282.71 11/13/2020 0.00528 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.593 0.312 10.96 0.00 4279.24 5/21/2021 0.00836 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.294 0.330 8.10 0.00 4282.10 11/4/2021 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.149 7.55 0.00 4282.65 5/12/2022 0.00911 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.229 0.577 8.34 0.00 4281.86 11/17/2022 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0651 B,J 0.125 7.54 0.00 4282.66 5/18/2023 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.126 0.122 B 4.16 0.00 4286.04 11/14/2023 0.00365 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0862 B,J 0.239 9.27 0.00 4280.93 5/14/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 0.0597 B,J 0.0523 J 3.65 0.00 4286.55 11/6/2024 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.179 9.48 0.00 4280.72 5/23/2025 <0.00100 <0.00100 <0.00100 <0.00300 <0.00500 C3 <0.00100 <0.100 <0.100 5.61 0.00 4284.59 GP-41 7/14/2005 3.700 0.410 1.300 4.300 0.400 0.057 29.00 9.20 6.23 0.00 4284.02 4290.25 12/13/2005 NR NR NR 12/11/2007 NR NR NR 3/12/2008 NR NR NR 6/18/2008 NR NR NR 9/26/2008 12.31 0.00 4277.94 3/24/2009 9.29 0.00 4280.96 6/23/2009 9.11 0.00 4281.14 9/22/2009 11.23 0.00 4279.02 12/21/2009 9.75 0.00 4280.50 3/23/2010 9.54 0.00 4280.71 6/14/2010 8.41 0.00 4281.84 9/28/2010 10.03 0.00 4280.22 3/22/2011 6.89 0.00 4283.36 6/28/2011 4.18 0.00 4286.07 9/20/2011 9.78 0.00 4280.47 12/13/2011 NR NR NR 5/8/2012 7.86 0.00 4282.39 11/6/2013 10.13 0.00 4280.12 5/21/2014 8.80 0.00 4281.45 11/11/2014 9.20 0.00 4281.05 5/11/2015 6.11 0.00 4284.14 11/17/2015 9.37 0.00 4280.88 11/14/2016 10.44 0.00 4279.81 GP-42 7/14/2005 0.085 0.010 0.970 5.10 0.400 <0.0005 24.00 6.10 5.00 0.00 4285.67 4290.67 12/13/2005 NR NR NR 6/20/2006 0.030 0.004 J 0.530 3.10 0.270 NA 15.00 3.20 4.85 0.00 4285.82 10/4/2006 0.610 0.100 0.740 3.60 0.290 < 0.003 19.00 15.00 7.85 0.00 4282.82 12/26/2006 0.690 0.160 0.610 3.60 0.300 <0.0005 15.00 13.00 8.50 0.00 4282.17 3/13/2007 0.071 0.005 J 0.640 3.70 0.270 <0.0005 16.00 4.80 5.30 0.00 4285.37 6/27/2007 0.160 0.028 0.350 1.60 0.200 <0.001 8.50 4.20 8.89 0.00 4281.78 9/10/2007 0.330 0.096 0.440 2.20 0.210 <0.0005 9.30 5.50 NR NR NR 12/11/2007 NS NS NS NS NS NS NS NS NR NR NR 3/11/2008 0.026 <0.003 0.500 2.500 0.220 <0.002 9.40 2.70 4.55 0.00 4286.12 6/19/2008 NS NS NS NS NS NS NS NS NR NR NR 9/26/2008 0.310 0.042 0.460 1.600 0.230 <0.0005 6.50 2.80 11.37 0.00 4279.30 12/23/2008 0.094 0.031 0.210 0.930 0.120 <0.0005 4.90 5.60 9.96 0.00 4280.71 3/24/2009 0.038 0.0073 0.370 1.680 0.190 <0.005 8.90 3.30 7.72 0.00 4282.95 6/23/2009 0.140 0.026 0.750 3.220 0.230 <0.005 14 1.5 7.65 0.00 4283.02 9/22/2009 0.190 0.050 0.500 1.710 0.230 <0.001 8.0 1.7 10.50 0.00 4280.17 12/21/2009 0.150 0.035 0.640 2.540 0.180 <0.020 8.2 1.7 9.93 0.00 4280.74 3/23/2010 0.120 0.032 0.590 2.260 0.170 <0.010 12 1.2 8.27 0.00 4282.40 6/14/2010 0.069 0.012 0.500 1.550 0.210 <0.005 9 4.8 7.30 0.00 4283.37 9/28/2010 NS NS NS NS NS NS NS NS NS NS NS 12/27/2010 0.021 0.0037 0.120 0.615 0.060 <0.001 2.1 0.46 5.39 0.00 4285.28 3/22/2011 0.047 0.011 0.860 3.100 0.350 <0.001 9.2 1.00 5.48 0.00 4285.19 6/28/2011 NS NS NS NS NS NS NS NS 3.60 0.00 4287.07 9/20/2011 NS NS NS NS NS NS NS NS 9.00 0.00 4281.67 12/13/2011 NS NS NS NS NS NS NS NS NR NR NR 5/8/2012 9.22 0.00 4281.45 Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 30 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) GP-42 11/11/2014 NS NS NS NS NS NS NS NS 9.05 0.00 4281.62 Continued 5/11/2015 NS NS NS NS NS NS NS NS 6.16 0.00 4284.51 11/14/2016 NS NS NS NS NS NS NS NS 9.61 0.00 4281.06 GP-43 7/6/2005 0.700 0.150 1.900 8.700 0.570 0.005J 51.00 11.00 4.26 0.00 4285.86 4290.12 12/13/2005 NR NR NR 12/11/2007 NR NR NR 3/12/2008 NR NR NR 6/18/2008 NR NR NR 9/26/2008 9.67 0.00 4280.45 6/23/2009 5.60 0.00 4284.52 3/23/2010 11.70 0.00 4278.42 12/13/2011 6.64 0.00 4283.48 GP-44 7/6/2005 4.900 0.130 1.300 5.500 0.400 <0.003 38.00 6.60 4.89 0.00 4285.94 4290.83 12/13/2005 NR NR NR 12/11/07/3.900 0.230 1.100 5.800 0.390 <0.003 34.00 22.00 6.91 0.00 4283.92 3/12/108 NS NS NS 6/19/2008 3.800 0.120 0.800 4.200 0.320 <0.0005 16.00 16.00 7.69 0.00 4283.14 9/26/2008 10.47 0.00 4280.36 6/23/2009 5.88 0.00 4284.95 9/22/2009 9.47 0.00 4281.36 3/23/2010 7.17 0.00 4283.66 9/28/2010 4.700 0.250 1.200 5.150 0.280 <0.050 25 5.2 8.72 0.00 4282.11 5/8/2012 5.52 0.00 4285.31 5/14/2013 6.65 0.00 4284.18 11/6/2013 8.00 0.00 4282.83 5/21/2014 6.77 0.00 4284.06 11/11/2014 1.500 0.051 0.200 2.500 0.140 <0.005 10 5.900 8.85 0.00 4281.98 11/17/2015 8.55 0.00 4282.28 5/17/2016 5.36 0.00 4285.47 5/15/2017 4.15 0.00 4286.68 11/13/2017 8.18 0.00 4282.65 5/22/2018 6.67 0.00 4284.16 11/7/2018 7.75 0.00 4283.08 3/25/2019 1.98 0.0575 0.332 1.36 0.117 <0.00100 16.5 5.96 3.54 0.00 4287.29 6/10/2019 1.41 0.0330 0.291 1.35 0.130 <0.0100 9.32 4.64 3.55 0.00 4287.28 11/20/2019 9.84 0.00 4280.99 5/5/2020 7.15 0.00 4283.68 11/11/2020 10.56 0.00 4280.27 5/19/2021 8.10 0.00 4282.73 11/2/2021 7.43 0.00 4283.40 5/10/2022 7.95 0.00 4282.88 11/15/2022 7.16 0.00 4283.67 5/16/2023 4.01 0.00 4286.82 11/14/2023 8.85 0.00 4281.98 5/13/2024 3.75 0.00 4287.08 11/4/2024 9.64 0.00 4281.19 5/21/2025 5.63 0.00 4285.20 GP-45 7/6/2005 0.019 0.002J 0.014 0.120 0.042 <0.0005 2.10 1.10 4.93 0.00 4286.29 4291.22 12/13/2005 NR NR NR 12/11/2007 NR NR NR 3/12/2008 NR NR NR 6/18/2008 NR NR NR 9/26/2008 10.62 0.00 4280.60 12/23/2008 9.28 0.00 4281.94 3/24/2009 5.70 0.00 4285.52 6/23/2009 5.80 0.00 4285.42 9/22/2009 9.68 0.00 4281.54 3/23/2010 6.41 0.00 4284.81 6/14/2010 5.78 0.00 4285.44 3/22/2011 4.32 0.00 4286.90 6/28/2011 0.00065 0.00091J 0.0052 0.0188 0.0089 <0.001 0.239 <0.47 3.51 0.00 4287.71 9/20/2011 0.160 0.150 0.320 1.3000 0.250 <0.0005 12 7.3 NM NM NM 12/13/2011 0.170 0.180 0.510 1.9000 0.300 <0.0003 20 4.0 7.66 0.00 4283.56 5/8/2012 0.0007J <0.0007 0.014 0.0590 0.030 <0.0005 0.40 3.8 5.85 0.00 4285.37 11/6/2012 0.029 0.036 0.380 1.6000 0.220 <0.0005 16 13 8.60 0.00 4282.62 5/14/2013 0.002J 0.001J 0.025 0.056 0.015 <0.0005 1.2 2.900 6.17 0.00 4285.05 Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Well Not Sampled Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 31 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) GP-45 11/6/2013 0.074 0.044 0.310 1.200 0.200 <0.001 9.9 2.400 9.52 0.00 4281.70 Continued 5/21/2014 0.008 0.012 0.190 0.600 0.070 <0.0005 3.3 4.000 6.22 0.00 4285.00 11/11/2014 NS NS NS NS NS NS NS NS 8.72 0.00 4282.50 5/11/2015 <0.0005 <0.0005 0.003 0.027 0.004 J <0.0005 1.4 0.600 5.05 0.00 4286.17 11/17/2015 0.160 0.091 0.970 4.100 0.610 <0.005 23.0 27.000 8.77 0.00 4282.45 5/17/2016 <0.0005 <0.0005 <0.001 0.006 0.002J <0.0005 0.37 0.081J 5.45 0.00 4285.77 11/14/2016 0.180 0.081 0.290 1.000 0.190 <0.0005 12 5.300 8.95 0.00 4282.27 5/15/2017 0.001 0.0009J 0.002 0.022 0.004J <0.0005 1.5 0.350 3.73 0.00 4287.49 11/13/2017 0.250 0.150 0.400 1.600 0.190 <0.001 16.0 2.300 8.70 0.00 4282.52 5/22/2018 0.0005J <0.0005 0.009 0.035 0.012 <0.0005 0.96 2.100 6.37 0.00 4284.85 11/7/2018 <0.00500 0.00696 0.0907 0.315 J4 0.0656 <0.00500 4.36 3.45 7.65 0.00 4283.57 3/25/2019 0.00122 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.269 3.78 0.00 4287.44 6/10/2019 0.00138 <0.00100 <0.00100 <0.00300 <0.00500 <0.00100 <0.100 0.109 3.44 0.00 4287.78 11/21/2019 0.0390 0.0235 0.1880 0.853 0.0917 <0.00100 8.25 4..41 9.39 0.00 4281.83 5/7/2020 0.203 0.0670 0.253 0.938 0.156 <0.0100 9.47 3.67 6.63 0.00 4284.59 11/13/2020 0.0784 0.0278 <0.0100 0.277 <0.0500 <0.0100 6.38 4.44 11.91 0.00 4279.31 5/21/2021 0.0533 0.0288 0.115 0.882 0.107 <0.0200 13.3 8.00 8.26 0.00 4282.96 11/4/2021 0.0641 0.0279 0.0855 0.433 <0.100 <0.0200 10.3 12.8 7.98 0.00 4283.24 5/12/2022 0.161 0.0902 0.322 1.09 0.137 <0.0200 22.7 7.68 8.55 0.00 4282.67 11/17/2022 0.184 0.125 0.405 1.730 0.322 <0.0200 32.000 B,J 300.000 7.93 0.00 4283.29 5/18/2023 0.000113 J <0.00100 <0.00100 0.00199 J <0.00500 <0.00100 0.359 0.274 3.98 0.00 4287.24 11/14/2023 0.150 0.102 0.330 1.090 0.158 <0.0200 11.400 7.150 8.72 0.00 4282.50 5/14/2024 0.00171 0.00122 0.0112 0.0456 0.0174 <0.00100 0.375 B 0.936 3.92 0.00 4287.30 11/6/2024 0.0138 0.0147 0.0157 0.636 0.0896 <0.00100 6.020 9.010 9.72 0.00 4281.50 5/23/2025 0.00388 0.0038 0.0193 0.0619 0.0206 <0.00100 0.505 1.700 5.87 0.00 4285.35 GP-46 7/14/2005 0.920 0.063 1.000 3.600 0.270 0.014 17.00 6.10 6.27 0.00 4283.00 4289.27 12/13/2005 NR NR NR 6/27/2007 0.340 0.020 0.610 1.800 0.230 0.013 12.00 4.50 9.01 0.00 4280.26 GP-46 9/10/2007 NS NS NS NS NS NS NS NS 10.88 0.00 4278.39 12/11/2007 0.260 0.035 0.650 2.200 0.210 0.006 J 11.00 4.90 8.05 0.00 4281.22 3/11/2008 0.290 0.021 0.370 1.400 0.140 0.010 J 8.00 3.70 5.68 0.00 4283.59 6/20/2008 0.270 0.028 0.590 2.300 0.200 .008 J 9.00 4.40 8.52 0.00 4280.75 9/26/2008 0.250 0.006 0.100 0.300 0.064 0.008 3.70 2.60 12.93 0.00 4276.34 12/31/2008 0.230 0.029 0.810 2.600 0.220 0.004 J 9.60 5.10 10.64 0.00 4278.63 3/24/2009 0.088 0.0087 0.190 0.389 0.084 <0.005 5.00 2.40 8.88 0.00 4280.39 6/23/2009 0.058 0.0071 J 0.270 0.466 0.075 0.0028 J 5.3 1.2 8.53 0.00 4280.74 9/22/2009 0.053 0.0180 0.660 1.630 0.210 0.0011 7.8 2.0 11.13 0.00 4278.14 12/21/2009 0.062 0.021 0.760 1.670 0.180 <0.010 8.9 2.2 9.63 0.00 4279.64 3/23/2010 NS NS NS NS NS NS NS NS 9.01 0.00 4280.26 6/14/2010 NS NS NS NS NS NS NS NS 8.08 0.00 4281.19 9/28/2010 NS NS NS NS NS NS NS NS 9.63 0.00 4279.64 3/22/2011 NS NS NS NS NS NS NS NS 6.41 0.00 4282.86 6/28/2011 NS NS NS NS NS NS NS NS 4.45 0.00 4284.82 9/20/2011 NS NS NS NS NS NS NS NS 9.48 0.00 4279.79 12/13/2011 NS NS NS NS NS NS NS NS NR NR NR 11/6/2013 NS NS NS NS NS NS NS NS 9.99 0.00 4279.28 11/11/2014 NS NS NS NS NS NS NS NS 9.83 0.00 4279.44 3/25/2019 <0.00100 <0.00100 0.126 0.284 0.0545 <0.00100 2.92 1.30 3.93 0.00 4285.34 6/12/2019 0.00169 0.00152 0.286 0.756 0.137 <0.00100 6.99 1.63 4.59 0.00 4284.68 GP-47 7/14/2005 0.590 0.049 1.000 5.500 0.400 <0.001 27.00 4.40 5.74 0.00 4283.64 4289.38 12/13/2005 9.00 0.00 4280.38 12/11/2007 NR NR NR 3/12/2008 NR NR NR 6/18/2008 NR NR NR 9/26/2008 11.52 0.00 4277.86 6/23/2009 7.90 0.00 4281.48 3/23/2010 8.58 0.00 4280.80 11/6/2012 8.99 0.00 4280.39 11/6/2013 10.65 0.00 4278.73 5/21/2014 8.00 0.00 4281.38 11/11/2014 10.00 0.00 4279.38 5/11/2015 6.69 0.00 4282.69 11/17/2015 9.62 0.00 4279.76 5/17/2016 7.17 0.00 4282.21 11/14/2016 9.93 0.00 4279.45 11/20/2019 9.66 0.00 4279.72 Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 32 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) GP-48 7/13/2005 3.400 7.100 0.740 4.70 0.120 <0.005 42.00 2.90 4.32 0.00 4282.99 4287.31 12/13/2005 0.015 0.004J 0.014 0.240 0.022 <0.0005 1.90 NA 8.13 0.00 4279.18 3/22/2006 1.400 0.530 0.300 2.40 0.053 NA 13.00 20.00 4.66 0.00 4282.65 6/20/2006 4.800 0.680 0.880 5.60 0.310 NA 31.00 11.00 4.14 0.00 4283.17 10/4/2006 0.028 0.0009 J 0.006 0.052 0.006 <0.0005 1.50 0.58 6.20 0.00 4281.11 12/26/2006 0.060 0.002 J 0.014 0.089 0.013 <0.0005 2.00 0.88 6.96 0.00 4280.35 3/13/2007 1.70 0.014 0.470 3.50 0.140 <0.0005 16.00 10.00 4.90 0.00 4282.41 6/27/2007 0.064 <0.0007 0.010 0.041 0.008 <0.0005 1.20 0.74 7.21 0.00 4280.10 9/10/2007 0.006 <0.0007 0.001 J 0.002 J 0.002 J <0.0005 0.74 0.65 9.17 0.00 4278.14 12/11/2007 NS NS NS NS NS NS NS NS NR NR NR 3/11/2008 0.890 0.007 J 0.068 1.300 0.230 <0.003 11.00 9.50 4.06 0.00 4283.25 6/20/2008 0.088 .001 J 0.012 0.020 0.011 <0.0005 1.20 0.87 8.52 0.00 4278.79 9/26/2008 0.008 <0.0007 <0.0008 <0.0008 J <0.001 <0.0005 0.61 0.27 9.75 0.00 4277.56 12/23/2008 NS NS NS NS NS NS NS NS 8.80 0.00 4278.51 3/24/2009 NS NS NS NS NS NS NS NS 5.30 0.00 4282.01 6/23/2009 NS NS NS NS NS NS NS NS 5.45 0.00 4281.86 9/22/2009 NS NS NS NS NS NS NS NS 9.47 0.00 4277.84 12/21/2009 NS NS NS NS NS NS NS NS 9.22 0.00 4278.09 3/23/2010 NS NS NS NS NS NS NS NS 6.82 0.00 4280.49 6/14/2010 NS NS NS NS NS NS NS NS 5.47 0.00 4281.84 9/28/2010 NS NS NS NS NS NS NS NS 8.48 0.00 4278.83 12/27/2010 NS NS NS NS NS NS NS NS 4.43 0.00 4282.88 3/22/2011 NS NS NS NS NS NS NS NS 3.58 0.00 4283.73 6/28/2011 NS NS NS NS NS NS NS NS 2.63 0.00 4284.68 9/20/2011 NS NS NS NS NS NS NS NS 7.39 0.00 4279.92 12/13/2011 NR NR NR GP-49 7/13/2005 0.019 0.049 0.007 0.032 0.005J <0.0005 0.31 0.13 4.39 0.00 4281.85 4286.24 12/13/2005 NR NR NR 12/11/2007 NR NR NR 3/12/2008 NR NR NR 9/26/2008 10.23 0.00 4276.01 12/23/2008 8.91 0.00 4277.33 3/24/2009 5.06 0.00 4281.18 6/23/2009 5.40 0.00 4280.84 9/22/2009 9.65 0.00 4276.59 3/23/2010 6.93 0.00 4279.31 6/14/2010 5.08 0.00 4281.16 3/22/2011 3.32 0.00 4282.92 12/13/2011 NR NR NR GP-50 7/13/2005 0.008 0.014 0.003J 0.010 0.005J <0.0005 0.13 NA 4.82 0.00 4278.62 4283.44 12/13/2005 NR NR NR 12/11/2007 NR NR NR 3/12/2008 NR NR NR GP-51 7/14/2005 0.061 0.001J <0.0008 0.001J 0.004J <0.0005 0.32 0.41 5.09 0.00 4278.83 4283.92 12/13/2005 8.68 0.00 4275.24 12/11/2007 NR NR NR 3/12/2008 NR NR NR 9/26/2008 10.77 0.00 4273.15 3/24/2009 7.30 0.00 4276.62 6/23/2009 6.95 0.00 4276.97 9/22/2009 10.81 0.00 4273.11 6/14/2010 6.22 0.00 4277.70 9/28/2010 9.50 0.00 4274.42 12/27/2010 3.94 0.00 4279.98 3/22/2011 4.01 0.00 4279.91 GP-52 7/14/2005 0.930 2.000 1.200 6.600 0.270 <0.001 30.00 3.30 4.32 0.00 4279.50 4283.82 12/13/2005 NR NR NR 12/11/2007 NR NR NR 3/12/2008 NR NR NR 9/26/2008 13.78 0.00 4270.04 12/23/2008 13.79 0.00 4270.03 3/24/2009 10.79 0.00 4273.03 4286.13 6/23/2009 9.84 0.00 4276.29 9/22/2009 14.25 0.00 4271.88 12/21/2009 14.37 0.00 4271.76 3/23/2010 11.24 0.00 4274.89 Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Under Large Generator Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Under Soil Pile Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 33 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) GP-52 6/14/2010 9.14 0.00 4276.99 Continued 9/28/2010 12.81 0.00 4273.32 12/27/2010 5.99 0.00 4280.14 3/22/2011 6.66 0.00 4279.47 6/28/2011 5.41 0.00 4280.72 9/20/2011 10.89 0.00 4275.24 12/13/2011 9.77 0.00 4276.36 5/8/2012 9.50 0.00 4276.63 11/6/2012 11.58 0.00 4274.55 5/14/2013 10.20 0.00 4275.93 11/6/2013 12.25 0.00 4273.88 5/21/2014 9.89 0.00 4276.24 11/11/2014 11.93 0.00 4274.20 5/11/2015 5.48 0.00 4280.65 11/17/2015 11.95 0.00 4274.18 5/17/2016 8.88 0.00 4277.25 11/14/2016 11.39 0.00 4274.74 5/15/2017 5.55 0.00 4280.58 11/13/2017 12.62 0.00 4273.51 5/22/2018 9.08 0.00 4277.05 11/7/2018 9.43 0.00 4276.70 11/20/2019 10.72 0.00 4275.41 5/5/2020 7.99 0.00 4278.14 11/11/2020 13.01 0.00 4273.12 5/19/2021 9.94 0.00 4276.19 11/2/2021 9.31 0.00 4276.82 5/10/2022 10.05 0.00 4276.08 11/15/2022 9.17 0.00 4276.96 5/16/2023 5.55 0.00 4280.58 11/14/2023 10.36 0.00 4275.77 5/13/2024 4.83 0.00 4281.30 11/6/2024 11.32 0.00 4274.81 5/21/2025 7.01 0.00 4279.12 GP-53 7/14/2005 0.490 0.070 0.160 0.550 0.047 0.002J 5.00 2.00 5.82 0.00 4279.35 4285.17 12/13/2005 9.09 0.00 4276.08 12/11/2007 NR NR NR 3/12/2008 NR NR NR 9/26/2008 13.67 0.00 4271.50 12/23/2008 13.82 0.00 4271.35 3/24/2009 10.61 0.00 4274.56 6/23/2009 10.20 0.00 4274.97 9/22/2009 14.41 0.00 4270.76 12/21/2009 14.39 0.00 4270.78 3/23/2010 10.42 0.00 4274.75 6/14/2010 8.94 0.00 4276.23 9/28/2010 11.65 0.00 4273.52 12/27/2010 5.88 0.00 4279.29 3/22/2011 6.51 0.00 4278.66 6/28/2011 4.90 0.00 4280.27 9/20/2011 10.35 0.00 4274.82 12/13/2011 8.91 0.00 4276.26 5/8/2012 8.84 0.00 4276.33 5/14/2013 9.43 0.00 4275.74 11/6/2013 12.02 0.00 4273.15 5/21/2014 9.22 0.00 4275.95 11/11/2014 11.66 0.00 4273.51 5/11/2015 5.43 0.00 4279.74 11/17/2015 11.52 0.00 4273.65 5/17/2016 9.34 0.00 4275.83 11/14/2016 11.09 0.00 4274.08 5/15/2017 5.05 0.00 4280.12 11/13/2017 12.18 0.00 4272.99 5/22/2018 9.19 0.00 4275.98 11/7/2018 8.91 0.00 4276.26 11/20/2019 9.92 0.00 4275.25 Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 34 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) GP-53 5/5/2020 7.65 0.00 4277.52 Continued 11/11/2020 12.08 0.00 4273.09 5/19/2021 9.11 0.00 4276.06 11/2/2021 9.04 0.00 4276.13 5/10/2022 9.25 0.00 4275.92 11/15/2022 8.94 0.00 4276.23 5/16/2023 5.11 0.00 4280.06 11/14/2023 9.44 0.00 4275.73 5/13/2024 4.38 0.00 4280.79 11/4/2024 10.49 0.00 4274.68 5/21/2025 6.93 0.00 4278.24 GP-54 7/14/2005 0.750 0.033 0.300 0.950 0.180 0.004J 7.20 4.30 5.52 0.00 4279.31 4284.83 12/13/2005 NR NR NR 12/11/2007 NR NR NR 3/12/2008 NR NR NR 9/26/2008 13.11 0.00 4271.72 3/24/2009 10.50 0.00 4274.33 6/23/2009 10.32 0.00 4274.51 9/22/2009 13.52 0.00 4271.31 12/21/2009 13.37 0.00 4271.46 3/23/2010 10.32 0.00 4274.51 6/14/2010 8.95 0.00 4275.88 9/28/2010 11.29 0.00 4273.54 12/27/2010 5.79 0.00 4279.04 3/22/2011 6.20 0.00 4278.63 6/28/2011 4.33 0.00 4280.50 9/20/2011 10.79 0.00 4274.04 12/13/2011 NR NR NR 5/8/2012 8.93 0.00 4275.90 GP-55 7/14/2005 0.800 0.023 0.037 0.054 0.025 0.038 3.10 2.30 6.73 0.00 4277.94 4284.67 12/13/2005 9.35 0.00 4275.32 6/27/2007 NS NS NS NS NS NS NS NS NR NR NR 9/10/2007 1.800 0.040 0.007 0.170 0.021 0.037 5.90 4.30 NR NR NR 12/11/2007 NS NS NS NS NS NS NS NS NR NR NR 3/12/2008 NS NS NS NS NS NS NS NS NR NR NR 9/26/2008 NS NS NS NS NS NS NS NS 13.08 0.00 4271.59 3/24/2009 NS NS NS NS NS NS NS NS 8.45 0.00 4276.22 6/23/2009 8.49 0.00 4276.18 9/22/2009 12.53 0.00 4272.14 12/21/2009 11.35 0.00 4273.32 3/23/2010 8.33 0.00 4276.34 6/14/2010 7.62 0.00 4277.05 9/28/2010 9.08 0.00 4275.59 12/27/2010 7.42 0.00 4277.25 3/22/2011 6.04 0.00 4278.63 6/28/2011 5.12 0.00 4279.55 9/20/2011 9.57 0.00 4275.10 12/13/2011 NR NR NR 5/8/2012 7.78 0.00 4276.89 11/6/2013 10.43 0.00 4274.24 11/11/2014 9.69 0.00 4274.98 5/11/2015 7.80 0.00 4276.87 GP-56 7/14/2005 0.007 0.002J 0.003J 0.014 0.001J 0.001J 0.11 0.19 8.19 0.00 4277.40 4285.59 12/13/2005 NR NR NR 12/11/2007 <0.0005 <0.0007 <0.0008 <0.008 <0.001 0.002 J <0.020 0.100 J 9.93 0.00 4275.66 3/12/2008 NS NS NS NS NS NS NS NS 9.35 0.00 4276.24 9/26/2008 0.005 J <0.0007 <0.0008 <0.0008 <0.001 0.006 0.048 J 0.63 14.49 0.00 4271.10 12/31/2008 0.009 <0.0007 <0.0008 <0.0008 <0.001 0.006 0.05 0.12 12.79 0.00 4272.80 3/24/2009 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.1 <0.1 9.11 0.00 4276.48 6/23/2009 8.97 0.00 4276.62 9/22/2009 13.18 0.00 4272.41 12/21/2009 11.16 0.00 4274.43 3/23/2010 8.96 0.00 4276.63 6/14/2010 8.29 0.00 4277.30 9/28/2010 9.66 0.00 4275.93 12/27/2010 8.29 0.00 4277.30 3/22/2011 6.96 0.00 4278.63 Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only TABLE 1 GROUNDWATER CHEMISTRY AND WATER TABLE ELEVATION DATABASE North Salt Lake Products Terminal North Salt Lake, Utah NSL GW Data 35 of 35 Sample Location TOC (ft) Date MM/DD/YY Benzene (mg/L) Toluene (mg/L) Ethyl benzene (mg/L) Xylenes (mg/L) Naphthalene (mg/L) MTBE (mg/L) TPH-GRO (mg/L) TPH-DRO (mg/L) DTW (feet) FP (feet) WTE (feet) GP-56 6/28/2011 6.21 0.00 4279.38 Continued 9/20/2011 9.95 0.00 4275.64 12/13/2011 NR NR NR Utah Tier 1 Screening 0.3 3 4 10 0.7 0.2 10.00 10.00 Utah Initial Screening Levels 0.005 1.0 0.70 10.0 0.7 0.2 1.00 1.00 Notes: Bold red values indicate an exceedence of the Initial Screening Levels in offsite wells.mg/L - milligrams per liter ISL - Initial Screening Level E - Estimated due to interference ** Field Duplicate Sample J - Estimated value. The result is between the Method Detection Limit and the Limit of Quantitation. B = The same analyte is found in the associated blank J4 - The associated batch QC was outside the established quality control range for accuracy. *** Noted as GP-99 on Chain-of-Custody **** Noted as MW-25 on Chain-of-Custody J3 - The associated batch QC was outside the established quality control range for precision. Q - Sample was prepared and/or analyzed past holding time as defined in the method. Concentrations should be considered minimum values. C3 = The reported concentration is an estimate. The continuing calibration standard associated with this data responded low. Method sensitivity check is accurate. NE - Not Established FP - Free Product DTW - Depth to Water WTE - Water Table Elevation NA = Not Analyzed Piezometer for groundwater level measurements only 1 MW-13 through MW-18 wellhead elevations and the second wellhead elevations for MW-1 through 12 and the GP borings represent official survey results conducted on December 12, 2000. Wellhead elevations for MW-19 through MW-23 are official survey results conducted on April 20, 2001. Wellhead elevations for MW26, MW27,and GP28 through GP56 are official survey results conducted on August 10, 2005. DRO - Diesel Range Organics as Diesel GRO - Gasoline Range Organics as Gasoline Bold values indicate an exceedence of the Tier I Screening Level. MTBE - Methyl-tertiary butyl ether ft - feet TOC - Top of Casing NS - Not Sampled NR - Not Recorded MSL - Mean Sea Level Piezometer for groundwater level measurements only Piezometer for groundwater level measurements only Well ID May 2025 Change from Benzene Concentration November 2024 (mg/L)(mg/L) MW-4R 0.114 -0.179 MW-5R ND ND MW-7 1.440 -0.510 MW-8 0.266 -0.236 MW-9 0.487 -0.255 MW-12 0.00431 -0.00016 MW-13 ND ND MW-16 0.00359 -0.00443 MW-19 0.0118 -0.008 MW-20 ND ND MW-22 ND -0.0378 MW-27 ND ND MW-28 ND ND MW-29 ND -0.366 MW-31 0.000405 0.000224 MW-33 NS NS MW-36 0.133 -0.033 MW-37 0.00860 -0.00017 MW-38 0.00164 0.00086 MW-44 0.0784 -0.0163 MW-46 0.507 0.015 GP-27 0.00110 -0.0210 GP-34 0.312 -0.01700 GP-37 0.412 -1.048 GP-40 ND ND GP-45 0.00388 -0.00992 RBCA Tier 1 Screening 0.3 ISLs for Groundwater 0.005 mg/L = milligrams per liter MW = Monitoring Well GP = Groundwater Piezometer RBCA = Risk-Based Corrective-Action ISL = Initial Screening Level ND = Non-detect NS = Not Sampled CONCENTRATIONS OF DISSOLVED BENZENE TABLE 2 North Salt Lake Products Terminal North Salt Lake, Utah Well ID May 2025 Change from TPH-GRO Concentrations November 2024 (mg/L)(mg/L) MW-4R 8.600 -4.900 MW-5R ND ND MW-7 22.900 -6.900 MW-8 4.490 -1.360 MW-9 4.090 0.140 MW-12 0.224 -0.087 MW-13 ND ND MW-16 0.343 -0.018 MW-19 0.500 -0.660 MW-20 ND ND MW-22 ND -0.930 MW-27 ND ND MW-28 ND -0.396 MW-29 6.94 -6.84 MW-31 1.160 -2.300 MW-33 NS ND MW-36 4.480 1.180 MW-37 0.109 -0.022 MW-38 ND ND MW-44 1.580 -0.570 MW-46 4.140 -0.060 GP-27 ND -7.190 GP-34 ND -2.830 GP-37 9.980 4.290 GP-40 ND ND GP-45 0.505 -5.515 RBCA Tier 1 Screening 10 ISLs for Groundwater 1 mg/L = milligrams per liter MW = Monitoring Well GP = Groundwater Piezometer RBCA = Risk-Based Corrective-Action ISL = Initial Screening Level TPH-GRO = Total Petroleum Hydrocarbon-Gasoline Range Organics ND = Non-detect NS = Not Sampled TABLE 3 CONCENTRATIONS OF TPH-GRO North Salt Lake Products Terminal North Salt Lake, Utah Well ID May 2025 Change from TPH-DRO Concentrations November 2024 (mg/L)(mg/L) MW-4R 7.860 -2.840 MW-5R 0.0928 -0.252 MW-7 8.060 -1.100 MW-8 6.850 0.780 MW-9 3.930 -0.090 MW-12 0.198 -0.094 MW-13 ND ND MW-16 0.304 -0.368 MW-19 0.334 -1.676 MW-20 ND ND MW-22 ND -2.150 MW-27 ND -0.090 MW-28 0.258 -0.590 MW-29 0.0981 -3.402 MW-31 0.633 0.045 MW-33 NS NS MW-36 3.580 0.490 MW-37 0.171 -0.196 MW-38 ND -0.068 MW-44 1.190 -0.450 MW-46 1.720 -0.420 GP-27 0.356 -3.014 GP-34 0.176 -3.474 GP-37 5.900 -5.300 GP-40 ND -0.079 GP-45 1.700 -7.310 RBCA Tier 1 Screening 10 ISLs for Groundwater 1 mg/L = milligrams per liter MW = Monitoring Well GP = Groundwater Piezometer RBCA = Risk-Based Corrective-Action ISL = Initial Screening Level TPH-DRO = Total Petroleum Hydrocarbon-Diesel Range Organics ND = Not detected above laboratory reporting limit NS = Not Sampled TABLE 4 CONCENTRATIONS OF TPH-DRO North Salt Lake Products Terminal North Salt Lake, Utah APPENDIX A LABORATORY REPORTS ANALYTICAL REPORT June 12, 2025 One Atlas Sample Delivery Group:L1863077 Samples Received:05/24/2025 Project Number:P66 6556 Description:P66 6556 Report To:Jim Coletta 1775 South 4130 West, Ste A Salt Lake City, UT 84104 Entire Report Reviewed By: June 12, 2025 [Preliminary Report] Daphne Richards Project Manager Results relate only to the items tested or calibrated and are reported as rounded values. This test report shall not be reproduced, except in full, without written approval of the laboratory. Where applicable, sampling conducted by Pace Analytical National is performed per guidance provided in laboratory standard operating procedures ENV-SOP-MTJL-0067 and ENV-SOP-MTJL-0068. Where sampling conducted by the customer, results relate to the accuracy of the information provided, and as the samples are received. Pace Analytical National 12065 Lebanon Rd Mount Juliet, TN 37122 615-758-5858 800-767-5859 mydata.pacelabs.com 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 1 of 57 June 12, 2025 Shane Gambill Project Manager ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 1 of 57 TABLE OF CONTENTSTABLE OF CONTENTS Cp: Cover Page 1 Tc: Table of Contents 2 Ss: Sample Summary 4 Cn: Case Narrative 9 Sr: Sample Results 10 MW-4R L1863077-01 10 MW-5R L1863077-02 11 MW-7 L1863077-03 12 MW-8 L1863077-04 13 MW-9 L1863077-05 14 MW-12 L1863077-06 15 MW-13 L1863077-07 16 MW-16 L1863077-08 17 MW-19 L1863077-09 18 MW-20 L1863077-10 19 MW-22 L1863077-11 20 MW-27 L1863077-12 21 MW-28 L1863077-13 22 MW-29 L1863077-14 23 MW-31 L1863077-15 24 MW-36 L1863077-16 25 MW-37 L1863077-17 26 MW-38 L1863077-18 27 MW-43 L1863077-19 28 MW-44 L1863077-20 29 MW-46 L1863077-21 30 GP-27 L1863077-22 31 GP-34 L1863077-23 32 GP-37 L1863077-24 33 GP-40 L1863077-25 34 GP-45 L1863077-26 35 MW-7D L1863077-27 36 TRIP BLANK L1863077-28 37 TRIP BLANK L1863077-29 38 Qc: Quality Control Summary 39 Volatile Organic Compounds (GC) by Method 8015D 39 Volatile Organic Compounds (GC/MS) by Method 8260B 43 Semi-Volatile Organic Compounds (GC) by Method 8015D 48 Gl: Glossary of Terms 52 Al: Accreditations & Locations 53 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 2 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 2 of 57 Sc: Sample Chain of Custody 54 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 3 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 3 of 57 SAMPLE SUMMARY Collected by Collected date/time Received date/time MW-4R L1863077-01 BA/OQ 05/22/25 10:00 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2526792 10 05/30/25 16:04 05/30/25 16:04 CDD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524969 100 05/28/25 09:47 05/28/25 09:47 KST Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528430 1 06/01/25 21:27 06/04/25 03:40 SGB Mt. Juliet, TN Collected by Collected date/time Received date/time MW-5R L1863077-02 BA/OQ 05/22/25 10:20 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2526792 1 05/30/25 14:58 05/30/25 14:58 CDD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524969 1 05/28/25 07:34 05/28/25 07:34 KST Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528430 1 06/01/25 21:27 06/04/25 04:02 SGB Mt. Juliet, TN Collected by Collected date/time Received date/time MW-7 L1863077-03 BA/OQ 05/22/25 10:40 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2526792 25 05/30/25 16:26 05/30/25 16:26 CDD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524969 250 05/28/25 10:09 05/28/25 10:09 KST Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528430 5 06/01/25 21:27 06/05/25 03:42 SGB Mt. Juliet, TN Collected by Collected date/time Received date/time MW-8 L1863077-04 BA/OQ 05/22/25 11:00 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2526792 10 05/30/25 16:47 05/30/25 16:47 CDD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524969 10 05/28/25 09:03 05/28/25 09:03 KST Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528430 1 06/01/25 21:27 06/04/25 14:24 MAA Mt. Juliet, TN Collected by Collected date/time Received date/time MW-9 L1863077-05 BA/OQ 05/22/25 11:20 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2526792 1 05/30/25 15:20 05/30/25 15:20 CDD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524969 10 05/28/25 09:25 05/28/25 09:25 KST Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528430 1 06/01/25 21:27 06/04/25 14:46 MAA Mt. Juliet, TN Collected by Collected date/time Received date/time MW-12 L1863077-06 BA/OQ 05/22/25 11:40 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 11:56 05/30/25 11:56 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524969 1 05/28/25 07:57 05/28/25 07:57 KST Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2531174 1 06/05/25 09:57 06/06/25 16:39 TJD Mt. Juliet, TN 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 4 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 4 of 57 SAMPLE SUMMARY Collected by Collected date/time Received date/time MW-13 L1863077-07 BA/OQ 05/22/25 12:00 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 12:15 05/30/25 12:15 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524969 1 05/28/25 08:19 05/28/25 08:19 KST Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528430 1 06/01/25 21:27 06/04/25 12:54 MAA Mt. Juliet, TN Collected by Collected date/time Received date/time MW-16 L1863077-08 BA/OQ 05/22/25 12:20 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 12:35 05/30/25 12:35 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524969 1 05/28/25 08:41 05/28/25 08:41 KST Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2531174 1 06/05/25 09:57 06/06/25 17:01 TJD Mt. Juliet, TN Collected by Collected date/time Received date/time MW-19 L1863077-09 BA/OQ 05/22/25 12:40 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 12:55 05/30/25 12:55 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 5 05/28/25 07:01 05/28/25 07:01 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528799 3 06/04/25 16:06 06/05/25 03:13 SGB Mt. Juliet, TN Collected by Collected date/time Received date/time MW-20 L1863077-10 BA/OQ 05/22/25 13:00 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 13:15 05/30/25 13:15 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 02:44 05/28/25 02:44 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/03/25 22:11 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time MW-22 L1863077-11 BA/OQ 05/22/25 13:20 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 13:35 05/30/25 13:35 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 03:05 05/28/25 03:05 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/03/25 22:31 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time MW-27 L1863077-12 BA/OQ 05/22/25 13:40 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 13:55 05/30/25 13:55 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 03:27 05/28/25 03:27 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/03/25 22:51 DMG Mt. Juliet, TN 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 5 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 5 of 57 SAMPLE SUMMARY Collected by Collected date/time Received date/time MW-28 L1863077-13 BA/OQ 05/22/25 14:00 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 14:15 05/30/25 14:15 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 03:48 05/28/25 03:48 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/03/25 23:12 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time MW-29 L1863077-14 BA/OQ 05/22/25 14:20 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 15:34 05/30/25 15:34 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2529098 1 06/03/25 01:35 06/03/25 01:35 WHS Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/03/25 23:32 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time MW-31 L1863077-15 BA/OQ 05/22/25 14:40 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 15:54 05/30/25 15:54 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 04:10 05/28/25 04:10 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/03/25 23:52 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time MW-36 L1863077-16 BA/OQ 05/23/25 10:00 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 16:14 05/30/25 16:14 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 5 05/28/25 07:23 05/28/25 07:23 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/04/25 00:12 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time MW-37 L1863077-17 BA/OQ 05/23/25 10:20 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2529111 1 06/03/25 10:30 06/03/25 10:30 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 04:31 05/28/25 04:31 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/04/25 00:32 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time MW-38 L1863077-18 BA/OQ 05/23/25 10:40 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 16:54 05/30/25 16:54 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 04:53 05/28/25 04:53 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/04/25 00:52 DMG Mt. Juliet, TN 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 6 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 6 of 57 SAMPLE SUMMARY Collected by Collected date/time Received date/time MW-43 L1863077-19 BA/OQ 05/23/25 11:00 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 17:14 05/30/25 17:14 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 05:14 05/28/25 05:14 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/04/25 01:12 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time MW-44 L1863077-20 BA/OQ 05/23/25 11:20 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 17:34 05/30/25 17:34 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 05:35 05/28/25 05:35 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/04/25 01:32 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time MW-46 L1863077-21 BA/OQ 05/23/25 11:40 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 17:55 05/30/25 17:55 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 05:57 05/28/25 05:57 DYW Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2529098 10 06/03/25 02:56 06/03/25 02:56 WHS Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/04/25 01:52 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time GP-27 L1863077-22 BA/OQ 05/23/25 12:00 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 5 05/30/25 18:34 05/30/25 18:34 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 06:18 05/28/25 06:18 DYW Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2529098 1 06/03/25 01:55 06/03/25 01:55 WHS Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/04/25 02:12 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time GP-34 L1863077-23 BA/OQ 05/23/25 12:20 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527020 1 05/30/25 18:14 05/30/25 18:14 NCD Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 10 05/28/25 07:44 05/28/25 07:44 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/04/25 02:33 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time GP-37 L1863077-24 BA/OQ 05/23/25 12:40 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527023 1 05/30/25 11:49 05/30/25 11:49 DWR Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2530068 100 06/04/25 02:54 06/04/25 02:54 JHH Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/04/25 02:53 DMG Mt. Juliet, TN 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 7 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 7 of 57 SAMPLE SUMMARY Collected by Collected date/time Received date/time GP-40 L1863077-25 BA/OQ 05/23/25 13:00 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527023 1 05/30/25 12:11 05/30/25 12:11 DWR Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 06:40 05/28/25 06:40 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/04/25 03:13 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time GP-45 L1863077-26 BA/OQ 05/23/25 13:20 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527023 1 05/30/25 12:33 05/30/25 12:33 DWR Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2530068 1 06/04/25 03:15 06/04/25 03:15 JHH Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/04/25 03:33 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time MW-7D L1863077-27 BA/OQ 05/22/25 10:45 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC) by Method 8015D WG2527023 20 05/30/25 18:27 05/30/25 18:27 AEB Mt. Juliet, TN Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 50 05/28/25 09:10 05/28/25 09:10 DYW Mt. Juliet, TN Semi-Volatile Organic Compounds (GC) by Method 8015D WG2528802 1 06/03/25 12:20 06/04/25 03:53 DMG Mt. Juliet, TN Collected by Collected date/time Received date/time TRIP BLANK L1863077-28 BA/OQ 05/23/25 00:00 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC/MS) by Method 8260B WG2524972 1 05/28/25 02:22 05/28/25 02:22 DYW Mt. Juliet, TN Collected by Collected date/time Received date/time TRIP BLANK L1863077-29 BA/OQ 05/23/25 00:00 05/24/25 08:00 Method Batch Dilution Preparation Analysis Analyst Location date/time date/time Volatile Organic Compounds (GC/MS) by Method 8260B WG2525834 1 05/29/25 04:31 05/29/25 04:31 DYW Mt. Juliet, TN 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 8 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 8 of 57 CASE NARRATIVE All sample aliquots were received at the correct temperature, in the proper containers, with the appropriate preservatives, and within method specified holding times, unless qualified or notated within the report. Where applicable, all MDL (LOD) and RDL (LOQ) values reported for environmental samples have been corrected for the dilution factor used in the analysis. All Method and Batch Quality Control are within established criteria except where addressed in this case narrative, a non-conformance form or properly qualified within the sample results. By my digital signature below, I affirm to the best of my knowledge, all problems/anomalies observed by the laboratory as having the potential to affect the quality of the data have been identified by the laboratory, and no information or data have been knowingly withheld that would affect the quality of the data. [Preliminary Report] Daphne Richards Project Manager Report Revision History Level III Report - Version 1: 06/10/25 10:33 Project Narrative Level 2 report. Sample Delivery Group (SDG) Narrative pH outside of method requirement. Lab Sample ID Project Sample ID Method L1863077-09 MW-19 8015D L1863077-10 MW-20 8015D L1863077-14 MW-29 8015D L1863077-15 MW-31 8015D L1863077-16 MW-36 8015D L1863077-18 MW-38 8015D L1863077-20 MW-44 8015D L1863077-21 MW-46 8015D 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 9 of 57 Shane Gambill Project Manager ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 9 of 57 SAMPLE RESULTS - 01 L1863077 MW-4R Collected date/time: 05/22/25 10:00 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 8600 594 1000 10 05/30/2025 16:04 WG2526792 (S) a,a,a-Trifluorotoluene(FID)96.3 78.0-120 05/30/2025 16:04 WG2526792 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 114 9.41 100 100 05/28/2025 09:47 WG2524969 Toluene U 27.8 100 100 05/28/2025 09:47 WG2524969 Ethylbenzene 589 13.7 100 100 05/28/2025 09:47 WG2524969 Total Xylenes 1740 17.4 300 100 05/28/2025 09:47 WG2524969 Methyl tert-butyl ether U 10.1 100 100 05/28/2025 09:47 WG2524969 Naphthalene 237 C3 J 100 500 100 05/28/2025 09:47 WG2524969 (S) Toluene-d8 104 80.0-120 05/28/2025 09:47 WG2524969 (S) 4-Bromofluorobenzene 99.8 77.0-126 05/28/2025 09:47 WG2524969 (S) 1,2-Dichloroethane-d4 123 70.0-130 05/28/2025 09:47 WG2524969 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 7860 60.5 100 1 06/04/2025 03:40 WG2528430 (S) o-Terphenyl 112 52.0-156 06/04/2025 03:40 WG2528430 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 10 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 10 of 57 SAMPLE RESULTS - 02 L1863077 MW-5R Collected date/time: 05/22/25 10:20 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction U 59.4 100 1 05/30/2025 14:58 WG2526792 (S) a,a,a-Trifluorotoluene(FID)97.2 78.0-120 05/30/2025 14:58 WG2526792 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene U 0.0941 1.00 1 05/28/2025 07:34 WG2524969 Toluene U 0.278 1.00 1 05/28/2025 07:34 WG2524969 Ethylbenzene U 0.137 1.00 1 05/28/2025 07:34 WG2524969 Total Xylenes U 0.174 3.00 1 05/28/2025 07:34 WG2524969 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 07:34 WG2524969 Naphthalene U C3 1.00 5.00 1 05/28/2025 07:34 WG2524969 (S) Toluene-d8 106 80.0-120 05/28/2025 07:34 WG2524969 (S) 4-Bromofluorobenzene 97.2 77.0-126 05/28/2025 07:34 WG2524969 (S) 1,2-Dichloroethane-d4 123 70.0-130 05/28/2025 07:34 WG2524969 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 92.8 B J 60.5 100 1 06/04/2025 04:02 WG2528430 (S) o-Terphenyl 112 52.0-156 06/04/2025 04:02 WG2528430 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 11 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 11 of 57 SAMPLE RESULTS - 03 L1863077 MW-7 Collected date/time: 05/22/25 10:40 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 21500 1490 2500 25 05/30/2025 16:26 WG2526792 (S) a,a,a-Trifluorotoluene(FID)96.5 78.0-120 05/30/2025 16:26 WG2526792 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 1440 23.5 250 250 05/28/2025 10:09 WG2524969 Toluene 192 J 69.5 250 250 05/28/2025 10:09 WG2524969 Ethylbenzene 1900 34.3 250 250 05/28/2025 10:09 WG2524969 Total Xylenes 4360 43.5 750 250 05/28/2025 10:09 WG2524969 Methyl tert-butyl ether U 25.3 250 250 05/28/2025 10:09 WG2524969 Naphthalene 546 C3 J 250 1250 250 05/28/2025 10:09 WG2524969 (S) Toluene-d8 106 80.0-120 05/28/2025 10:09 WG2524969 (S) 4-Bromofluorobenzene 102 77.0-126 05/28/2025 10:09 WG2524969 (S) 1,2-Dichloroethane-d4 122 70.0-130 05/28/2025 10:09 WG2524969 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 8010 B 303 500 5 06/05/2025 03:42 WG2528430 (S) o-Terphenyl 117 52.0-156 06/05/2025 03:42 WG2528430 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 12 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 12 of 57 SAMPLE RESULTS - 04 L1863077 MW-8 Collected date/time: 05/22/25 11:00 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 4490 594 1000 10 05/30/2025 16:47 WG2526792 (S) a,a,a-Trifluorotoluene(FID)95.1 78.0-120 05/30/2025 16:47 WG2526792 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 266 0.941 10.0 10 05/28/2025 09:03 WG2524969 Toluene 9.41 J 2.78 10.0 10 05/28/2025 09:03 WG2524969 Ethylbenzene 136 1.37 10.0 10 05/28/2025 09:03 WG2524969 Total Xylenes 84.8 1.74 30.0 10 05/28/2025 09:03 WG2524969 Methyl tert-butyl ether U 1.01 10.0 10 05/28/2025 09:03 WG2524969 Naphthalene 196 C3 10.0 50.0 10 05/28/2025 09:03 WG2524969 (S) Toluene-d8 106 80.0-120 05/28/2025 09:03 WG2524969 (S) 4-Bromofluorobenzene 100 77.0-126 05/28/2025 09:03 WG2524969 (S) 1,2-Dichloroethane-d4 122 70.0-130 05/28/2025 09:03 WG2524969 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 6850 60.5 100 1 06/04/2025 14:24 WG2528430 (S) o-Terphenyl 116 52.0-156 06/04/2025 14:24 WG2528430 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 13 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 13 of 57 SAMPLE RESULTS - 05 L1863077 MW-9 Collected date/time: 05/22/25 11:20 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 4090 59.4 100 1 05/30/2025 15:20 WG2526792 (S) a,a,a-Trifluorotoluene(FID)104 78.0-120 05/30/2025 15:20 WG2526792 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 487 0.941 10.0 10 05/28/2025 09:25 WG2524969 Toluene 3.41 J 2.78 10.0 10 05/28/2025 09:25 WG2524969 Ethylbenzene 23.5 1.37 10.0 10 05/28/2025 09:25 WG2524969 Total Xylenes 93.8 1.74 30.0 10 05/28/2025 09:25 WG2524969 Methyl tert-butyl ether U 1.01 10.0 10 05/28/2025 09:25 WG2524969 Naphthalene 26.8 C3 J 10.0 50.0 10 05/28/2025 09:25 WG2524969 (S) Toluene-d8 106 80.0-120 05/28/2025 09:25 WG2524969 (S) 4-Bromofluorobenzene 106 77.0-126 05/28/2025 09:25 WG2524969 (S) 1,2-Dichloroethane-d4 123 70.0-130 05/28/2025 09:25 WG2524969 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 3930 60.5 100 1 06/04/2025 14:46 WG2528430 (S) o-Terphenyl 118 52.0-156 06/04/2025 14:46 WG2528430 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 14 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 14 of 57 SAMPLE RESULTS - 06 L1863077 MW-12 Collected date/time: 05/22/25 11:40 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 224 59.4 100 1 05/30/2025 11:56 WG2527020 (S) a,a,a-Trifluorotoluene(FID)104 78.0-120 05/30/2025 11:56 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 4.31 0.0941 1.00 1 05/28/2025 07:57 WG2524969 Toluene U 0.278 1.00 1 05/28/2025 07:57 WG2524969 Ethylbenzene U 0.137 1.00 1 05/28/2025 07:57 WG2524969 Total Xylenes 0.645 J 0.174 3.00 1 05/28/2025 07:57 WG2524969 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 07:57 WG2524969 Naphthalene 1.11 C3 J 1.00 5.00 1 05/28/2025 07:57 WG2524969 (S) Toluene-d8 104 80.0-120 05/28/2025 07:57 WG2524969 (S) 4-Bromofluorobenzene 96.1 77.0-126 05/28/2025 07:57 WG2524969 (S) 1,2-Dichloroethane-d4 122 70.0-130 05/28/2025 07:57 WG2524969 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 198 60.5 100 1 06/06/2025 16:39 WG2531174 (S) o-Terphenyl 136 52.0-156 06/06/2025 16:39 WG2531174 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 15 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 15 of 57 SAMPLE RESULTS - 07 L1863077 MW-13 Collected date/time: 05/22/25 12:00 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction U 59.4 100 1 05/30/2025 12:15 WG2527020 (S) a,a,a-Trifluorotoluene(FID)103 78.0-120 05/30/2025 12:15 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene U 0.0941 1.00 1 05/28/2025 08:19 WG2524969 Toluene U 0.278 1.00 1 05/28/2025 08:19 WG2524969 Ethylbenzene U 0.137 1.00 1 05/28/2025 08:19 WG2524969 Total Xylenes U 0.174 3.00 1 05/28/2025 08:19 WG2524969 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 08:19 WG2524969 Naphthalene U C3 1.00 5.00 1 05/28/2025 08:19 WG2524969 (S) Toluene-d8 102 80.0-120 05/28/2025 08:19 WG2524969 (S) 4-Bromofluorobenzene 99.7 77.0-126 05/28/2025 08:19 WG2524969 (S) 1,2-Dichloroethane-d4 125 70.0-130 05/28/2025 08:19 WG2524969 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction U 60.5 100 1 06/04/2025 12:54 WG2528430 (S) o-Terphenyl 115 52.0-156 06/04/2025 12:54 WG2528430 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 16 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 16 of 57 SAMPLE RESULTS - 08 L1863077 MW-16 Collected date/time: 05/22/25 12:20 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 343 59.4 100 1 05/30/2025 12:35 WG2527020 (S) a,a,a-Trifluorotoluene(FID)99.9 78.0-120 05/30/2025 12:35 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 3.59 0.0941 1.00 1 05/28/2025 08:41 WG2524969 Toluene U 0.278 1.00 1 05/28/2025 08:41 WG2524969 Ethylbenzene U 0.137 1.00 1 05/28/2025 08:41 WG2524969 Total Xylenes U 0.174 3.00 1 05/28/2025 08:41 WG2524969 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 08:41 WG2524969 Naphthalene U C3 1.00 5.00 1 05/28/2025 08:41 WG2524969 (S) Toluene-d8 106 80.0-120 05/28/2025 08:41 WG2524969 (S) 4-Bromofluorobenzene 97.9 77.0-126 05/28/2025 08:41 WG2524969 (S) 1,2-Dichloroethane-d4 124 70.0-130 05/28/2025 08:41 WG2524969 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 304 60.5 100 1 06/06/2025 17:01 WG2531174 (S) o-Terphenyl 128 52.0-156 06/06/2025 17:01 WG2531174 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 17 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 17 of 57 SAMPLE RESULTS - 09 L1863077 MW-19 Collected date/time: 05/22/25 12:40 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 500 59.4 100 1 05/30/2025 12:55 WG2527020 (S) a,a,a-Trifluorotoluene(FID)100 78.0-120 05/30/2025 12:55 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 11.8 0.471 5.00 5 05/28/2025 07:01 WG2524972 Toluene U 1.39 5.00 5 05/28/2025 07:01 WG2524972 Ethylbenzene 3.26 J 0.685 5.00 5 05/28/2025 07:01 WG2524972 Total Xylenes 31.3 0.870 15.0 5 05/28/2025 07:01 WG2524972 Methyl tert-butyl ether U 0.505 5.00 5 05/28/2025 07:01 WG2524972 Naphthalene 14.4 C3 J 5.00 25.0 5 05/28/2025 07:01 WG2524972 (S) Toluene-d8 101 80.0-120 05/28/2025 07:01 WG2524972 (S) 4-Bromofluorobenzene 99.9 77.0-126 05/28/2025 07:01 WG2524972 (S) 1,2-Dichloroethane-d4 98.3 70.0-130 05/28/2025 07:01 WG2524972 Sample Narrative: L1863077-09 WG2524972: Non-target compounds too high to run at a lower dilution. Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 334 182 300 3 06/05/2025 03:13 WG2528799 (S) o-Terphenyl 80.1 52.0-156 06/05/2025 03:13 WG2528799 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 18 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 18 of 57 SAMPLE RESULTS - 10 L1863077 MW-20 Collected date/time: 05/22/25 13:00 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction U 59.4 100 1 05/30/2025 13:15 WG2527020 (S) a,a,a-Trifluorotoluene(FID)103 78.0-120 05/30/2025 13:15 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene U 0.0941 1.00 1 05/28/2025 02:44 WG2524972 Toluene U 0.278 1.00 1 05/28/2025 02:44 WG2524972 Ethylbenzene U 0.137 1.00 1 05/28/2025 02:44 WG2524972 Total Xylenes U 0.174 3.00 1 05/28/2025 02:44 WG2524972 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 02:44 WG2524972 Naphthalene U C3 1.00 5.00 1 05/28/2025 02:44 WG2524972 (S) Toluene-d8 103 80.0-120 05/28/2025 02:44 WG2524972 (S) 4-Bromofluorobenzene 100 77.0-126 05/28/2025 02:44 WG2524972 (S) 1,2-Dichloroethane-d4 99.0 70.0-130 05/28/2025 02:44 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction U 60.5 100 1 06/03/2025 22:11 WG2528802 (S) o-Terphenyl 79.5 52.0-156 06/03/2025 22:11 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 19 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 19 of 57 SAMPLE RESULTS - 11 L1863077 MW-22 Collected date/time: 05/22/25 13:20 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction U 59.4 100 1 05/30/2025 13:35 WG2527020 (S) a,a,a-Trifluorotoluene(FID)103 78.0-120 05/30/2025 13:35 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene U 0.0941 1.00 1 05/28/2025 03:05 WG2524972 Toluene U 0.278 1.00 1 05/28/2025 03:05 WG2524972 Ethylbenzene U 0.137 1.00 1 05/28/2025 03:05 WG2524972 Total Xylenes U 0.174 3.00 1 05/28/2025 03:05 WG2524972 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 03:05 WG2524972 Naphthalene U C3 1.00 5.00 1 05/28/2025 03:05 WG2524972 (S) Toluene-d8 102 80.0-120 05/28/2025 03:05 WG2524972 (S) 4-Bromofluorobenzene 102 77.0-126 05/28/2025 03:05 WG2524972 (S) 1,2-Dichloroethane-d4 97.8 70.0-130 05/28/2025 03:05 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction U 60.5 100 1 06/03/2025 22:31 WG2528802 (S) o-Terphenyl 77.9 52.0-156 06/03/2025 22:31 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 20 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 20 of 57 SAMPLE RESULTS - 12 L1863077 MW-27 Collected date/time: 05/22/25 13:40 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction U 59.4 100 1 05/30/2025 13:55 WG2527020 (S) a,a,a-Trifluorotoluene(FID)103 78.0-120 05/30/2025 13:55 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene U 0.0941 1.00 1 05/28/2025 03:27 WG2524972 Toluene U 0.278 1.00 1 05/28/2025 03:27 WG2524972 Ethylbenzene U 0.137 1.00 1 05/28/2025 03:27 WG2524972 Total Xylenes U 0.174 3.00 1 05/28/2025 03:27 WG2524972 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 03:27 WG2524972 Naphthalene U C3 1.00 5.00 1 05/28/2025 03:27 WG2524972 (S) Toluene-d8 104 80.0-120 05/28/2025 03:27 WG2524972 (S) 4-Bromofluorobenzene 99.6 77.0-126 05/28/2025 03:27 WG2524972 (S) 1,2-Dichloroethane-d4 97.6 70.0-130 05/28/2025 03:27 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction U 60.5 100 1 06/03/2025 22:51 WG2528802 (S) o-Terphenyl 80.0 52.0-156 06/03/2025 22:51 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 21 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 21 of 57 SAMPLE RESULTS - 13 L1863077 MW-28 Collected date/time: 05/22/25 14:00 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction U 59.4 100 1 05/30/2025 14:15 WG2527020 (S) a,a,a-Trifluorotoluene(FID)102 78.0-120 05/30/2025 14:15 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene U 0.0941 1.00 1 05/28/2025 03:48 WG2524972 Toluene U 0.278 1.00 1 05/28/2025 03:48 WG2524972 Ethylbenzene U 0.137 1.00 1 05/28/2025 03:48 WG2524972 Total Xylenes U 0.174 3.00 1 05/28/2025 03:48 WG2524972 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 03:48 WG2524972 Naphthalene U C3 1.00 5.00 1 05/28/2025 03:48 WG2524972 (S) Toluene-d8 102 80.0-120 05/28/2025 03:48 WG2524972 (S) 4-Bromofluorobenzene 99.4 77.0-126 05/28/2025 03:48 WG2524972 (S) 1,2-Dichloroethane-d4 100 70.0-130 05/28/2025 03:48 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 258 60.5 100 1 06/03/2025 23:12 WG2528802 (S) o-Terphenyl 84.7 52.0-156 06/03/2025 23:12 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 22 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 22 of 57 SAMPLE RESULTS - 14 L1863077 MW-29 Collected date/time: 05/22/25 14:20 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction U 59.4 100 1 05/30/2025 15:34 WG2527020 (S) a,a,a-Trifluorotoluene(FID)104 78.0-120 05/30/2025 15:34 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene U 0.0941 1.00 1 06/03/2025 01:35 WG2529098 Toluene U 0.278 1.00 1 06/03/2025 01:35 WG2529098 Ethylbenzene U 0.137 1.00 1 06/03/2025 01:35 WG2529098 Total Xylenes U 0.174 3.00 1 06/03/2025 01:35 WG2529098 Methyl tert-butyl ether U 0.101 1.00 1 06/03/2025 01:35 WG2529098 Naphthalene U 1.00 5.00 1 06/03/2025 01:35 WG2529098 (S) Toluene-d8 105 80.0-120 06/03/2025 01:35 WG2529098 (S) 4-Bromofluorobenzene 106 77.0-126 06/03/2025 01:35 WG2529098 (S) 1,2-Dichloroethane-d4 79.8 70.0-130 06/03/2025 01:35 WG2529098 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 98.1 J 60.5 100 1 06/03/2025 23:32 WG2528802 (S) o-Terphenyl 82.1 52.0-156 06/03/2025 23:32 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 23 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 23 of 57 SAMPLE RESULTS - 15 L1863077 MW-31 Collected date/time: 05/22/25 14:40 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 1160 59.4 100 1 05/30/2025 15:54 WG2527020 (S) a,a,a-Trifluorotoluene(FID)103 78.0-120 05/30/2025 15:54 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 0.405 J 0.0941 1.00 1 05/28/2025 04:10 WG2524972 Toluene U 0.278 1.00 1 05/28/2025 04:10 WG2524972 Ethylbenzene 26.0 0.137 1.00 1 05/28/2025 04:10 WG2524972 Total Xylenes 208 0.174 3.00 1 05/28/2025 04:10 WG2524972 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 04:10 WG2524972 Naphthalene U C3 1.00 5.00 1 05/28/2025 04:10 WG2524972 (S) Toluene-d8 101 80.0-120 05/28/2025 04:10 WG2524972 (S) 4-Bromofluorobenzene 98.6 77.0-126 05/28/2025 04:10 WG2524972 (S) 1,2-Dichloroethane-d4 99.4 70.0-130 05/28/2025 04:10 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 633 60.5 100 1 06/03/2025 23:52 WG2528802 (S) o-Terphenyl 86.8 52.0-156 06/03/2025 23:52 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 24 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 24 of 57 SAMPLE RESULTS - 16 L1863077 MW-36 Collected date/time: 05/23/25 10:00 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 4480 59.4 100 1 05/30/2025 16:14 WG2527020 (S) a,a,a-Trifluorotoluene(FID)113 78.0-120 05/30/2025 16:14 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 133 0.471 5.00 5 05/28/2025 07:23 WG2524972 Toluene 6.81 1.39 5.00 5 05/28/2025 07:23 WG2524972 Ethylbenzene 9.24 0.685 5.00 5 05/28/2025 07:23 WG2524972 Total Xylenes 155 0.870 15.0 5 05/28/2025 07:23 WG2524972 Methyl tert-butyl ether U 0.505 5.00 5 05/28/2025 07:23 WG2524972 Naphthalene 95.8 C3 5.00 25.0 5 05/28/2025 07:23 WG2524972 (S) Toluene-d8 102 80.0-120 05/28/2025 07:23 WG2524972 (S) 4-Bromofluorobenzene 101 77.0-126 05/28/2025 07:23 WG2524972 (S) 1,2-Dichloroethane-d4 98.8 70.0-130 05/28/2025 07:23 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 3580 60.5 100 1 06/04/2025 00:12 WG2528802 (S) o-Terphenyl 100 52.0-156 06/04/2025 00:12 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 25 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 25 of 57 SAMPLE RESULTS - 17 L1863077 MW-37 Collected date/time: 05/23/25 10:20 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 109 59.4 100 1 06/03/2025 10:30 WG2529111 (S) a,a,a-Trifluorotoluene(FID)101 78.0-120 06/03/2025 10:30 WG2529111 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 8.60 0.0941 1.00 1 05/28/2025 04:31 WG2524972 Toluene 0.293 J 0.278 1.00 1 05/28/2025 04:31 WG2524972 Ethylbenzene U 0.137 1.00 1 05/28/2025 04:31 WG2524972 Total Xylenes 2.21 J 0.174 3.00 1 05/28/2025 04:31 WG2524972 Methyl tert-butyl ether 1.15 0.101 1.00 1 05/28/2025 04:31 WG2524972 Naphthalene U C3 1.00 5.00 1 05/28/2025 04:31 WG2524972 (S) Toluene-d8 102 80.0-120 05/28/2025 04:31 WG2524972 (S) 4-Bromofluorobenzene 99.5 77.0-126 05/28/2025 04:31 WG2524972 (S) 1,2-Dichloroethane-d4 99.5 70.0-130 05/28/2025 04:31 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 171 60.5 100 1 06/04/2025 00:32 WG2528802 (S) o-Terphenyl 90.5 52.0-156 06/04/2025 00:32 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 26 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 26 of 57 SAMPLE RESULTS - 18 L1863077 MW-38 Collected date/time: 05/23/25 10:40 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction U 59.4 100 1 05/30/2025 16:54 WG2527020 (S) a,a,a-Trifluorotoluene(FID)103 78.0-120 05/30/2025 16:54 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 0.164 J 0.0941 1.00 1 05/28/2025 04:53 WG2524972 Toluene U 0.278 1.00 1 05/28/2025 04:53 WG2524972 Ethylbenzene U 0.137 1.00 1 05/28/2025 04:53 WG2524972 Total Xylenes U 0.174 3.00 1 05/28/2025 04:53 WG2524972 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 04:53 WG2524972 Naphthalene U C3 1.00 5.00 1 05/28/2025 04:53 WG2524972 (S) Toluene-d8 102 80.0-120 05/28/2025 04:53 WG2524972 (S) 4-Bromofluorobenzene 99.4 77.0-126 05/28/2025 04:53 WG2524972 (S) 1,2-Dichloroethane-d4 101 70.0-130 05/28/2025 04:53 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction U 60.5 100 1 06/04/2025 00:52 WG2528802 (S) o-Terphenyl 79.5 52.0-156 06/04/2025 00:52 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 27 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 27 of 57 SAMPLE RESULTS - 19 L1863077 MW-43 Collected date/time: 05/23/25 11:00 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 452 59.4 100 1 05/30/2025 17:14 WG2527020 (S) a,a,a-Trifluorotoluene(FID)103 78.0-120 05/30/2025 17:14 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 28.9 0.0941 1.00 1 05/28/2025 05:14 WG2524972 Toluene 0.572 J 0.278 1.00 1 05/28/2025 05:14 WG2524972 Ethylbenzene 0.319 J 0.137 1.00 1 05/28/2025 05:14 WG2524972 Total Xylenes 4.65 0.174 3.00 1 05/28/2025 05:14 WG2524972 Methyl tert-butyl ether 0.375 J 0.101 1.00 1 05/28/2025 05:14 WG2524972 Naphthalene 2.34 C3 J 1.00 5.00 1 05/28/2025 05:14 WG2524972 (S) Toluene-d8 103 80.0-120 05/28/2025 05:14 WG2524972 (S) 4-Bromofluorobenzene 99.6 77.0-126 05/28/2025 05:14 WG2524972 (S) 1,2-Dichloroethane-d4 97.6 70.0-130 05/28/2025 05:14 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 500 60.5 100 1 06/04/2025 01:12 WG2528802 (S) o-Terphenyl 95.8 52.0-156 06/04/2025 01:12 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 28 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 28 of 57 SAMPLE RESULTS - 20 L1863077 MW-44 Collected date/time: 05/23/25 11:20 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 1580 59.4 100 1 05/30/2025 17:34 WG2527020 (S) a,a,a-Trifluorotoluene(FID)104 78.0-120 05/30/2025 17:34 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 78.4 0.0941 1.00 1 05/28/2025 05:35 WG2524972 Toluene 1.54 0.278 1.00 1 05/28/2025 05:35 WG2524972 Ethylbenzene 3.21 0.137 1.00 1 05/28/2025 05:35 WG2524972 Total Xylenes 12.5 0.174 3.00 1 05/28/2025 05:35 WG2524972 Methyl tert-butyl ether 0.463 J 0.101 1.00 1 05/28/2025 05:35 WG2524972 Naphthalene 17.0 C3 1.00 5.00 1 05/28/2025 05:35 WG2524972 (S) Toluene-d8 101 80.0-120 05/28/2025 05:35 WG2524972 (S) 4-Bromofluorobenzene 98.6 77.0-126 05/28/2025 05:35 WG2524972 (S) 1,2-Dichloroethane-d4 96.9 70.0-130 05/28/2025 05:35 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 1190 60.5 100 1 06/04/2025 01:32 WG2528802 (S) o-Terphenyl 98.4 52.0-156 06/04/2025 01:32 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 29 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 29 of 57 SAMPLE RESULTS - 21 L1863077 MW-46 Collected date/time: 05/23/25 11:40 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 4140 59.4 100 1 05/30/2025 17:55 WG2527020 (S) a,a,a-Trifluorotoluene(FID)101 78.0-120 05/30/2025 17:55 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 507 0.941 10.0 10 06/03/2025 02:56 WG2529098 Toluene 25.8 0.278 1.00 1 05/28/2025 05:57 WG2524972 Ethylbenzene 15.0 0.137 1.00 1 05/28/2025 05:57 WG2524972 Total Xylenes 150 0.174 3.00 1 05/28/2025 05:57 WG2524972 Methyl tert-butyl ether 0.315 J 0.101 1.00 1 05/28/2025 05:57 WG2524972 Naphthalene 67.1 C3 1.00 5.00 1 05/28/2025 05:57 WG2524972 (S) Toluene-d8 98.9 80.0-120 05/28/2025 05:57 WG2524972 (S) Toluene-d8 104 80.0-120 06/03/2025 02:56 WG2529098 (S) 4-Bromofluorobenzene 99.6 77.0-126 05/28/2025 05:57 WG2524972 (S) 4-Bromofluorobenzene 106 77.0-126 06/03/2025 02:56 WG2529098 (S) 1,2-Dichloroethane-d4 102 70.0-130 05/28/2025 05:57 WG2524972 (S) 1,2-Dichloroethane-d4 82.1 70.0-130 06/03/2025 02:56 WG2529098 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 1720 60.5 100 1 06/04/2025 01:52 WG2528802 (S) o-Terphenyl 98.9 52.0-156 06/04/2025 01:52 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 30 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 30 of 57 SAMPLE RESULTS - 22 L1863077 GP-27 Collected date/time: 05/23/25 12:00 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction U 297 500 5 05/30/2025 18:34 WG2527020 (S) a,a,a-Trifluorotoluene(FID)102 78.0-120 05/30/2025 18:34 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 1.10 0.0941 1.00 1 06/03/2025 01:55 WG2529098 Toluene U 0.278 1.00 1 05/28/2025 06:18 WG2524972 Ethylbenzene 2.93 0.137 1.00 1 06/03/2025 01:55 WG2529098 Total Xylenes 1.05 J 0.174 3.00 1 06/03/2025 01:55 WG2529098 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 06:18 WG2524972 Naphthalene 6.25 1.00 5.00 1 06/03/2025 01:55 WG2529098 (S) Toluene-d8 103 80.0-120 05/28/2025 06:18 WG2524972 (S) Toluene-d8 104 80.0-120 06/03/2025 01:55 WG2529098 (S) 4-Bromofluorobenzene 99.0 77.0-126 05/28/2025 06:18 WG2524972 (S) 4-Bromofluorobenzene 106 77.0-126 06/03/2025 01:55 WG2529098 (S) 1,2-Dichloroethane-d4 98.0 70.0-130 05/28/2025 06:18 WG2524972 (S) 1,2-Dichloroethane-d4 81.4 70.0-130 06/03/2025 01:55 WG2529098 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 356 60.5 100 1 06/04/2025 02:12 WG2528802 (S) o-Terphenyl 91.1 52.0-156 06/04/2025 02:12 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 31 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 31 of 57 SAMPLE RESULTS - 23 L1863077 GP-34 Collected date/time: 05/23/25 12:20 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction U 59.4 100 1 05/30/2025 18:14 WG2527020 (S) a,a,a-Trifluorotoluene(FID)104 78.0-120 05/30/2025 18:14 WG2527020 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 312 0.941 10.0 10 05/28/2025 07:44 WG2524972 Toluene 10.6 2.78 10.0 10 05/28/2025 07:44 WG2524972 Ethylbenzene 1570 1.37 10.0 10 05/28/2025 07:44 WG2524972 Total Xylenes 378 1.74 30.0 10 05/28/2025 07:44 WG2524972 Methyl tert-butyl ether U 1.01 10.0 10 05/28/2025 07:44 WG2524972 Naphthalene 484 C3 10.0 50.0 10 05/28/2025 07:44 WG2524972 (S) Toluene-d8 103 80.0-120 05/28/2025 07:44 WG2524972 (S) 4-Bromofluorobenzene 101 77.0-126 05/28/2025 07:44 WG2524972 (S) 1,2-Dichloroethane-d4 98.3 70.0-130 05/28/2025 07:44 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 176 60.5 100 1 06/04/2025 02:33 WG2528802 (S) o-Terphenyl 92.6 52.0-156 06/04/2025 02:33 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 32 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 32 of 57 SAMPLE RESULTS - 24 L1863077 GP-37 Collected date/time: 05/23/25 12:40 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 9980 59.4 100 1 05/30/2025 11:49 WG2527023 (S) a,a,a-Trifluorotoluene(FID)108 78.0-120 05/30/2025 11:49 WG2527023 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 412 9.41 100 100 06/04/2025 02:54 WG2530068 Toluene U 27.8 100 100 06/04/2025 02:54 WG2530068 Ethylbenzene 1910 13.7 100 100 06/04/2025 02:54 WG2530068 Total Xylenes 511 17.4 300 100 06/04/2025 02:54 WG2530068 Methyl tert-butyl ether U 10.1 100 100 06/04/2025 02:54 WG2530068 Naphthalene 477 J 100 500 100 06/04/2025 02:54 WG2530068 (S) Toluene-d8 103 80.0-120 06/04/2025 02:54 WG2530068 (S) 4-Bromofluorobenzene 92.3 77.0-126 06/04/2025 02:54 WG2530068 (S) 1,2-Dichloroethane-d4 103 70.0-130 06/04/2025 02:54 WG2530068 Sample Narrative: L1863077-24 WG2530068: Target and Non-target compounds too high to run at a lower dilution. Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 5900 60.5 100 1 06/04/2025 02:53 WG2528802 (S) o-Terphenyl 130 52.0-156 06/04/2025 02:53 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 33 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 33 of 57 SAMPLE RESULTS - 25 L1863077 GP-40 Collected date/time: 05/23/25 13:00 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction U 59.4 100 1 05/30/2025 12:11 WG2527023 (S) a,a,a-Trifluorotoluene(FID)103 78.0-120 05/30/2025 12:11 WG2527023 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene U 0.0941 1.00 1 05/28/2025 06:40 WG2524972 Toluene U 0.278 1.00 1 05/28/2025 06:40 WG2524972 Ethylbenzene U 0.137 1.00 1 05/28/2025 06:40 WG2524972 Total Xylenes U 0.174 3.00 1 05/28/2025 06:40 WG2524972 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 06:40 WG2524972 Naphthalene U C3 1.00 5.00 1 05/28/2025 06:40 WG2524972 (S) Toluene-d8 106 80.0-120 05/28/2025 06:40 WG2524972 (S) 4-Bromofluorobenzene 99.6 77.0-126 05/28/2025 06:40 WG2524972 (S) 1,2-Dichloroethane-d4 96.4 70.0-130 05/28/2025 06:40 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction U 60.5 100 1 06/04/2025 03:13 WG2528802 (S) o-Terphenyl 81.6 52.0-156 06/04/2025 03:13 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 34 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 34 of 57 SAMPLE RESULTS - 26 L1863077 GP-45 Collected date/time: 05/23/25 13:20 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 505 59.4 100 1 05/30/2025 12:33 WG2527023 (S) a,a,a-Trifluorotoluene(FID)101 78.0-120 05/30/2025 12:33 WG2527023 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 3.88 0.0941 1.00 1 06/04/2025 03:15 WG2530068 Toluene 3.76 0.278 1.00 1 06/04/2025 03:15 WG2530068 Ethylbenzene 19.3 0.137 1.00 1 06/04/2025 03:15 WG2530068 Total Xylenes 61.9 0.174 3.00 1 06/04/2025 03:15 WG2530068 Methyl tert-butyl ether U 0.101 1.00 1 06/04/2025 03:15 WG2530068 Naphthalene 20.6 1.00 5.00 1 06/04/2025 03:15 WG2530068 (S) Toluene-d8 100 80.0-120 06/04/2025 03:15 WG2530068 (S) 4-Bromofluorobenzene 92.4 77.0-126 06/04/2025 03:15 WG2530068 (S) 1,2-Dichloroethane-d4 106 70.0-130 06/04/2025 03:15 WG2530068 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 1700 60.5 100 1 06/04/2025 03:33 WG2528802 (S) o-Terphenyl 105 52.0-156 06/04/2025 03:33 WG2528802 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 35 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 35 of 57 SAMPLE RESULTS - 27 L1863077 MW-7D Collected date/time: 05/22/25 10:45 Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) Low Fraction 22900 1190 2000 20 05/30/2025 18:27 WG2527023 (S) a,a,a-Trifluorotoluene(FID)100 78.0-120 05/30/2025 18:27 WG2527023 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene 1350 4.71 50.0 50 05/28/2025 09:10 WG2524972 Toluene 168 13.9 50.0 50 05/28/2025 09:10 WG2524972 Ethylbenzene 1700 6.85 50.0 50 05/28/2025 09:10 WG2524972 Total Xylenes 3660 8.70 150 50 05/28/2025 09:10 WG2524972 Methyl tert-butyl ether U 5.05 50.0 50 05/28/2025 09:10 WG2524972 Naphthalene 478 C3 50.0 250 50 05/28/2025 09:10 WG2524972 (S) Toluene-d8 104 80.0-120 05/28/2025 09:10 WG2524972 (S) 4-Bromofluorobenzene 101 77.0-126 05/28/2025 09:10 WG2524972 (S) 1,2-Dichloroethane-d4 97.1 70.0-130 05/28/2025 09:10 WG2524972 Semi-Volatile Organic Compounds (GC) by Method 8015D Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time TPH (GC/FID) High Fraction 8060 60.5 100 1 06/04/2025 03:53 WG2528802 (S) o-Terphenyl 172 J1 52.0-156 06/04/2025 03:53 WG2528802 Sample Narrative: L1863077-27 WG2528802: Surrogate failure due to matrix interference 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 36 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 36 of 57 SAMPLE RESULTS - 28 L1863077 TRIP BLANK Collected date/time: 05/23/25 00:00 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene U 0.0941 1.00 1 05/28/2025 02:22 WG2524972 Toluene U 0.278 1.00 1 05/28/2025 02:22 WG2524972 Ethylbenzene U 0.137 1.00 1 05/28/2025 02:22 WG2524972 Total Xylenes U 0.174 3.00 1 05/28/2025 02:22 WG2524972 Methyl tert-butyl ether U 0.101 1.00 1 05/28/2025 02:22 WG2524972 Naphthalene U C3 1.00 5.00 1 05/28/2025 02:22 WG2524972 (S) Toluene-d8 103 80.0-120 05/28/2025 02:22 WG2524972 (S) 4-Bromofluorobenzene 99.7 77.0-126 05/28/2025 02:22 WG2524972 (S) 1,2-Dichloroethane-d4 97.4 70.0-130 05/28/2025 02:22 WG2524972 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 37 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 37 of 57 SAMPLE RESULTS - 29 L1863077 TRIP BLANK Collected date/time: 05/23/25 00:00 Volatile Organic Compounds (GC/MS) by Method 8260B Result Qualifier MDL RDL Dilution Analysis Batch Analyte ug/l ug/l ug/l date / time Benzene U 0.0941 1.00 1 05/29/2025 04:31 WG2525834 Toluene U 0.278 1.00 1 05/29/2025 04:31 WG2525834 Ethylbenzene U 0.137 1.00 1 05/29/2025 04:31 WG2525834 Total Xylenes U 0.174 3.00 1 05/29/2025 04:31 WG2525834 Methyl tert-butyl ether U 0.101 1.00 1 05/29/2025 04:31 WG2525834 Naphthalene U C3 1.00 5.00 1 05/29/2025 04:31 WG2525834 (S) Toluene-d8 105 80.0-120 05/29/2025 04:31 WG2525834 (S) 4-Bromofluorobenzene 91.8 77.0-126 05/29/2025 04:31 WG2525834 (S) 1,2-Dichloroethane-d4 105 70.0-130 05/29/2025 04:31 WG2525834 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 38 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 38 of 57 QUALITY CONTROL SUMMARYWG2526792 Volatile Organic Compounds (GC) by Method 8015D L1863077-01,02,03,04,05 Method Blank (MB) (MB) R4224687-2 05/30/25 07:10 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l TPH (GC/FID) Low Fraction U 59.4 100 (S) a,a,a-Trifluorotoluene(FID)97.4 78.0-120 Laboratory Control Sample (LCS) (LCS) R4224687-1 05/30/25 06:26 Spike Amount LCS Result LCS Rec.Rec. Limits LCS Qualifier Analyte ug/l ug/l %% TPH (GC/FID) Low Fraction 5000 5140 103 72.0-127 (S) a,a,a-Trifluorotoluene(FID) 99.3 78.0-120 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 39 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 39 of 57 QUALITY CONTROL SUMMARYWG2527020 Volatile Organic Compounds (GC) by Method 8015D L1863077-06,07,08,09,10,11,12,13,14,15,16,18,19,20,21,22,23 Method Blank (MB) (MB) R4224376-3 05/30/25 10:02 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l TPH (GC/FID) Low Fraction U 59.4 100 (S) a,a,a-Trifluorotoluene(FID)102 78.0-120 Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD) (LCS) R4224376-1 05/30/25 09:02 • (LCSD) R4224376-2 05/30/25 09:22 Spike Amount LCS Result LCSD Result LCS Rec.LCSD Rec.Rec. Limits LCS Qualifier LCSD Qualifier RPD RPD Limits Analyte ug/l ug/l ug/l %%%%% TPH (GC/FID) Low Fraction 5000 4290 4380 85.8 87.6 72.0-127 2.08 20 (S) a,a,a-Trifluorotoluene(FID) 100 100 78.0-120 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 40 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 40 of 57 QUALITY CONTROL SUMMARYWG2527023 Volatile Organic Compounds (GC) by Method 8015D L1863077-24,25,26,27 Method Blank (MB) (MB) R4223162-3 05/30/25 11:06 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l TPH (GC/FID) Low Fraction U 59.4 100 (S) a,a,a-Trifluorotoluene(FID)102 78.0-120 Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD) (LCS) R4223162-1 05/30/25 09:38 • (LCSD) R4223162-2 05/30/25 10:21 Spike Amount LCS Result LCSD Result LCS Rec.LCSD Rec.Rec. Limits LCS Qualifier LCSD Qualifier RPD RPD Limits Analyte ug/l ug/l ug/l %%%%% TPH (GC/FID) Low Fraction 5000 5260 5360 105 107 72.0-127 1.88 20 (S) a,a,a-Trifluorotoluene(FID) 104 105 78.0-120 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 41 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 41 of 57 QUALITY CONTROL SUMMARYWG2529111 Volatile Organic Compounds (GC) by Method 8015D L1863077-17 Method Blank (MB) (MB) R4224996-3 06/03/25 09:34 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l TPH (GC/FID) Low Fraction U 59.4 100 (S) a,a,a-Trifluorotoluene(FID)104 78.0-120 Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD) (LCS) R4224996-1 06/03/25 08:34 • (LCSD) R4224996-2 06/03/25 08:54 Spike Amount LCS Result LCSD Result LCS Rec.LCSD Rec.Rec. Limits LCS Qualifier LCSD Qualifier RPD RPD Limits Analyte ug/l ug/l ug/l %%%%% TPH (GC/FID) Low Fraction 5000 4560 4510 91.2 90.2 72.0-127 1.10 20 (S) a,a,a-Trifluorotoluene(FID) 99.8 101 78.0-120 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 42 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 42 of 57 QUALITY CONTROL SUMMARYWG2524969 Volatile Organic Compounds (GC/MS) by Method 8260B L1863077-01,02,03,04,05,06,07,08 Method Blank (MB) (MB) R4221550-2 05/27/25 23:52 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l Benzene U 0.0941 1.00 Toluene U 0.278 1.00 Ethylbenzene U 0.137 1.00 Total Xylenes U 0.174 3.00 Methyl tert-butyl ether U 0.101 1.00 Naphthalene U 1.00 5.00 (S) Toluene-d8 112 80.0-120 (S) 4-Bromofluorobenzene 93.6 77.0-126 (S) 1,2-Dichloroethane-d4 115 70.0-130 Laboratory Control Sample (LCS) (LCS) R4221550-1 05/27/25 23:08 Spike Amount LCS Result LCS Rec.Rec. Limits LCS Qualifier Analyte ug/l ug/l %% Benzene 5.00 4.23 84.6 70.0-123 Toluene 5.00 4.69 93.8 79.0-120 Ethylbenzene 5.00 4.71 94.2 79.0-123 Total Xylenes 15.0 14.5 96.7 79.0-123 Methyl tert-butyl ether 5.00 5.42 108 68.0-125 Naphthalene 5.00 3.19 63.8 54.0-135 J (S) Toluene-d8 107 80.0-120 (S) 4-Bromofluorobenzene 100 77.0-126 (S) 1,2-Dichloroethane-d4 119 70.0-130 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 43 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 43 of 57 QUALITY CONTROL SUMMARYWG2524972 Volatile Organic Compounds (GC/MS) by Method 8260B L1863077-09,10,11,12,13,15,16,17,18,19,20,21,22,23,25,27,28 Method Blank (MB) (MB) R4224351-3 05/28/25 01:41 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l Benzene U 0.0941 1.00 Toluene U 0.278 1.00 Ethylbenzene U 0.137 1.00 Total Xylenes U 0.174 3.00 Methyl tert-butyl ether U 0.101 1.00 Naphthalene U 1.00 5.00 (S) Toluene-d8 102 80.0-120 (S) 4-Bromofluorobenzene 101 77.0-126 (S) 1,2-Dichloroethane-d4 97.9 70.0-130 Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD) (LCS) R4224351-1 05/28/25 00:36 • (LCSD) R4224351-2 05/28/25 00:58 Spike Amount LCS Result LCSD Result LCS Rec.LCSD Rec.Rec. Limits LCS Qualifier LCSD Qualifier RPD RPD Limits Analyte ug/l ug/l ug/l %%%%% Benzene 5.00 4.05 3.95 81.0 79.0 70.0-123 2.50 20 Toluene 5.00 4.04 4.01 80.8 80.2 79.0-120 0.745 20 Ethylbenzene 5.00 4.22 4.17 84.4 83.4 79.0-123 1.19 20 Total Xylenes 15.0 12.7 12.6 84.7 84.0 79.0-123 0.791 20 Methyl tert-butyl ether 5.00 4.25 4.31 85.0 86.2 68.0-125 1.40 20 Naphthalene 5.00 3.96 4.18 79.2 83.6 54.0-135 J J 5.41 20 (S) Toluene-d8 101 103 80.0-120 (S) 4-Bromofluorobenzene 100 100 77.0-126 (S) 1,2-Dichloroethane-d4 100 101 70.0-130 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 44 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 44 of 57 QUALITY CONTROL SUMMARYWG2525834 Volatile Organic Compounds (GC/MS) by Method 8260B L1863077-29 Method Blank (MB) (MB) R4223715-3 05/29/25 03:29 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l Benzene U 0.0941 1.00 Toluene U 0.278 1.00 Ethylbenzene U 0.137 1.00 Total Xylenes U 0.174 3.00 Methyl tert-butyl ether U 0.101 1.00 Naphthalene 1.44 J 1.00 5.00 (S) Toluene-d8 105 80.0-120 (S) 4-Bromofluorobenzene 94.3 77.0-126 (S) 1,2-Dichloroethane-d4 105 70.0-130 Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD) (LCS) R4223715-1 05/29/25 01:45 • (LCSD) R4223715-2 05/29/25 02:07 Spike Amount LCS Result LCSD Result LCS Rec.LCSD Rec.Rec. Limits LCS Qualifier LCSD Qualifier RPD RPD Limits Analyte ug/l ug/l ug/l %%%%% Benzene 5.00 5.39 4.69 108 93.8 70.0-123 13.9 20 Toluene 5.00 5.63 4.81 113 96.2 79.0-120 15.7 20 Ethylbenzene 5.00 5.02 4.44 100 88.8 79.0-123 12.3 20 Total Xylenes 15.0 15.7 13.6 105 90.7 79.0-123 14.3 20 Methyl tert-butyl ether 5.00 5.58 4.70 112 94.0 68.0-125 17.1 20 Naphthalene 5.00 2.96 3.03 59.2 60.6 54.0-135 J J 2.34 20 (S) Toluene-d8 100 101 80.0-120 (S) 4-Bromofluorobenzene 93.8 93.1 77.0-126 (S) 1,2-Dichloroethane-d4 106 106 70.0-130 L1863088-07 Original Sample (OS) • Matrix Spike (MS) • Matrix Spike Duplicate (MSD) (OS) L1863088-07 05/29/25 10:20 • (MS) R4223715-4 05/29/25 10:41 • (MSD) R4223715-5 05/29/25 11:02 Spike Amount Original Result MS Result MSD Result MS Rec.MSD Rec.Dilution Rec. Limits MS Qualifier MSD Qualifier RPD RPD Limits Analyte ug/l ug/l ug/l ug/l %%%%% Benzene 100 112 213 215 101 103 20 17.0-158 0.935 27 Toluene 100 127 227 227 100 100 20 26.0-154 0.000 28 Ethylbenzene 100 229 333 337 104 108 20 30.0-155 1.19 27 Total Xylenes 300 3540 3710 3750 56.7 70.0 20 29.0-154 1.07 28 Methyl tert-butyl ether 100 U 111 107 111 107 20 28.0-150 3.67 29 Naphthalene 100 45.2 95.4 86.7 50.2 41.5 20 12.0-156 J J 9.56 35 (S) Toluene-d8 99.9 99.4 80.0-120 (S) 4-Bromofluorobenzene 94.6 92.9 77.0-126 (S) 1,2-Dichloroethane-d4 114 110 70.0-130 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 45 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 45 of 57 QUALITY CONTROL SUMMARYWG2529098 Volatile Organic Compounds (GC/MS) by Method 8260B L1863077-14,21,22 Method Blank (MB) (MB) R4225057-2 06/03/25 01:08 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l Benzene U 0.0941 1.00 Toluene U 0.278 1.00 Ethylbenzene U 0.137 1.00 Total Xylenes U 0.174 3.00 Methyl tert-butyl ether U 0.101 1.00 Naphthalene U 1.00 5.00 (S) Toluene-d8 102 80.0-120 (S) 4-Bromofluorobenzene 106 77.0-126 (S) 1,2-Dichloroethane-d4 83.5 70.0-130 Laboratory Control Sample (LCS) (LCS) R4225057-1 06/03/25 00:07 Spike Amount LCS Result LCS Rec.Rec. Limits LCS Qualifier Analyte ug/l ug/l %% Benzene 5.00 4.34 86.8 70.0-123 Toluene 5.00 4.44 88.8 79.0-120 Ethylbenzene 5.00 4.39 87.8 79.0-123 Total Xylenes 15.0 13.6 90.7 79.0-123 Methyl tert-butyl ether 5.00 4.01 80.2 68.0-125 Naphthalene 5.00 5.21 104 54.0-135 (S) Toluene-d8 103 80.0-120 (S) 4-Bromofluorobenzene 106 77.0-126 (S) 1,2-Dichloroethane-d4 82.9 70.0-130 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 46 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 46 of 57 QUALITY CONTROL SUMMARYWG2530068 Volatile Organic Compounds (GC/MS) by Method 8260B L1863077-24,26 Method Blank (MB) (MB) R4225292-3 06/03/25 23:52 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l Benzene U 0.0941 1.00 Toluene U 0.278 1.00 Ethylbenzene U 0.137 1.00 Total Xylenes U 0.174 3.00 Methyl tert-butyl ether U 0.101 1.00 Naphthalene U 1.00 5.00 (S) Toluene-d8 98.6 80.0-120 (S) 4-Bromofluorobenzene 90.1 77.0-126 (S) 1,2-Dichloroethane-d4 100 70.0-130 Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD) (LCS) R4225292-1 06/03/25 22:47 • (LCSD) R4225292-2 06/03/25 23:08 Spike Amount LCS Result LCSD Result LCS Rec.LCSD Rec.Rec. Limits LCS Qualifier LCSD Qualifier RPD RPD Limits Analyte ug/l ug/l ug/l %%%%% Benzene 5.00 4.67 4.75 93.4 95.0 70.0-123 1.70 20 Toluene 5.00 4.68 4.65 93.6 93.0 79.0-120 0.643 20 Ethylbenzene 5.00 4.62 4.57 92.4 91.4 79.0-123 1.09 20 Total Xylenes 15.0 13.5 13.4 90.0 89.3 79.0-123 0.744 20 Methyl tert-butyl ether 5.00 4.69 4.84 93.8 96.8 68.0-125 3.15 20 Naphthalene 5.00 4.03 4.08 80.6 81.6 54.0-135 J J 1.23 20 (S) Toluene-d8 104 102 80.0-120 (S) 4-Bromofluorobenzene 93.2 92.8 77.0-126 (S) 1,2-Dichloroethane-d4 106 107 70.0-130 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 47 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 47 of 57 QUALITY CONTROL SUMMARYWG2528430 Semi-Volatile Organic Compounds (GC) by Method 8015D L1863077-01,02,03,04,05,07 Method Blank (MB) (MB) R4224615-1 06/03/25 01:22 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l TPH (GC/FID) High Fraction 195 60.5 100 (S) o-Terphenyl 110 52.0-156 Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD) (LCS) R4224615-2 06/03/25 01:45 • (LCSD) R4224615-3 06/03/25 02:07 Spike Amount LCS Result LCSD Result LCS Rec.LCSD Rec.Rec. Limits LCS Qualifier LCSD Qualifier RPD RPD Limits Analyte ug/l ug/l ug/l %%%%% TPH (GC/FID) High Fraction 1500 1650 1690 110 113 50.0-150 2.40 20 (S) o-Terphenyl 124 124 52.0-156 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 48 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 48 of 57 QUALITY CONTROL SUMMARYWG2528799 Semi-Volatile Organic Compounds (GC) by Method 8015D L1863077-09 Method Blank (MB) (MB) R4225966-1 06/05/25 00:56 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l TPH (GC/FID) High Fraction U 60.5 100 (S) o-Terphenyl 75.0 52.0-156 Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD) (LCS) R4225966-2 06/05/25 01:19 • (LCSD) R4225966-3 06/05/25 01:42 Spike Amount LCS Result LCSD Result LCS Rec.LCSD Rec.Rec. Limits LCS Qualifier LCSD Qualifier RPD RPD Limits Analyte ug/l ug/l ug/l %%%%% TPH (GC/FID) High Fraction 1500 1410 1460 94.0 97.3 50.0-150 3.48 20 (S) o-Terphenyl 106 108 52.0-156 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 49 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 49 of 57 QUALITY CONTROL SUMMARYWG2528802 Semi-Volatile Organic Compounds (GC) by Method 8015D L1863077-10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27 Method Blank (MB) (MB) R4225123-1 06/03/25 21:10 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l TPH (GC/FID) High Fraction U 60.5 100 (S) o-Terphenyl 71.5 52.0-156 Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD) (LCS) R4225123-2 06/03/25 21:31 • (LCSD) R4225123-3 06/03/25 21:51 Spike Amount LCS Result LCSD Result LCS Rec.LCSD Rec.Rec. Limits LCS Qualifier LCSD Qualifier RPD RPD Limits Analyte ug/l ug/l ug/l %%%%% TPH (GC/FID) High Fraction 1500 1380 1390 92.0 92.7 50.0-150 0.722 20 (S) o-Terphenyl 96.0 101 52.0-156 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 50 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 50 of 57 QUALITY CONTROL SUMMARYWG2531174 Semi-Volatile Organic Compounds (GC) by Method 8015D L1863077-06,08 Method Blank (MB) (MB) R4226471-1 06/05/25 16:19 MB Result MB Qualifier MB MDL MB RDL Analyte ug/l ug/l ug/l TPH (GC/FID) High Fraction U 60.5 100 (S) o-Terphenyl 128 52.0-156 Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD) (LCS) R4226471-2 06/05/25 16:42 • (LCSD) R4226471-3 06/05/25 17:04 Spike Amount LCS Result LCSD Result LCS Rec.LCSD Rec.Rec. Limits LCS Qualifier LCSD Qualifier RPD RPD Limits Analyte ug/l ug/l ug/l %%%%% TPH (GC/FID) High Fraction 1500 1450 1480 96.7 98.7 50.0-150 2.05 20 (S) o-Terphenyl 103 101 52.0-156 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 51 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 51 of 57 GLOSSARY OF TERMS Guide to Reading and Understanding Your Laboratory Report The information below is designed to better explain the various terms used in your report of analytical results from the Laboratory. This is not intended as a comprehensive explanation, and if you have additional questions please contact your project representative. Results Disclaimer - Information that may be provided by the customer, and contained within this report, include Permit Limits, Project Name, Sample ID, Sample Matrix, Sample Preservation, Field Blanks, Field Spikes, Field Duplicates, On-Site Data, Sampling Collection Dates/Times, and Sampling Location. Results relate to the accuracy of this information provided, and as the samples are received. Abbreviations and Definitions MDL Method Detection Limit. RDL Reported Detection Limit. Rec.Recovery. RPD Relative Percent Difference. SDG Sample Delivery Group. (S) Surrogate (Surrogate Standard) - Analytes added to every blank, sample, Laboratory Control Sample/Duplicate and Matrix Spike/Duplicate; used to evaluate analytical efficiency by measuring recovery. Surrogates are not expected to be detected in all environmental media. U Not detected at the Reporting Limit (or MDL where applicable). Analyte The name of the particular compound or analysis performed. Some Analyses and Methods will have multiple analytes reported. Dilution If the sample matrix contains an interfering material, the sample preparation volume or weight values differ from the standard, or if concentrations of analytes in the sample are higher than the highest limit of concentration that the laboratory can accurately report, the sample may be diluted for analysis. If a value different than 1 is used in this field, the result reported has already been corrected for this factor. Limits These are the target % recovery ranges or % difference value that the laboratory has historically determined as normal for the method and analyte being reported. Successful QC Sample analysis will target all analytes recovered or duplicated within these ranges. Original Sample The non-spiked sample in the prep batch used to determine the Relative Percent Difference (RPD) from a quality control sample. The Original Sample may not be included within the reported SDG. Qualifier This column provides a letter and/or number designation that corresponds to additional information concerning the result reported. If a Qualifier is present, a definition per Qualifier is provided within the Glossary and Definitions page and potentially a discussion of possible implications of the Qualifier in the Case Narrative if applicable. Result The actual analytical final result (corrected for any sample specific characteristics) reported for your sample. If there was no measurable result returned for a specific analyte, the result in this column may state “ND” (Not Detected) or “BDL” (Below Detectable Levels). The information in the results column should always be accompanied by either an MDL (Method Detection Limit) or RDL (Reporting Detection Limit) that defines the lowest value that the laboratory could detect or report for this analyte. Uncertainty (Radiochemistry)Confidence level of 2 sigma. Case Narrative (Cn) A brief discussion about the included sample results, including a discussion of any non-conformances to protocol observed either at sample receipt by the laboratory from the field or during the analytical process. If present, there will be a section in the Case Narrative to discuss the meaning of any data qualifiers used in the report. Quality Control Summary (Qc) This section of the report includes the results of the laboratory quality control analyses required by procedure or analytical methods to assist in evaluating the validity of the results reported for your samples. These analyses are not being performed on your samples typically, but on laboratory generated material. Sample Chain of Custody (Sc) This is the document created in the field when your samples were initially collected. This is used to verify the time and date of collection, the person collecting the samples, and the analyses that the laboratory is requested to perform. This chain of custody also documents all persons (excluding commercial shippers) that have had control or possession of the samples from the time of collection until delivery to the laboratory for analysis. Sample Results (Sr) This section of your report will provide the results of all testing performed on your samples. These results are provided by sample ID and are separated by the analyses performed on each sample. The header line of each analysis section for each sample will provide the name and method number for the analysis reported. Sample Summary (Ss)This section of the Analytical Report defines the specific analyses performed for each sample ID, including the dates and times of preparation and/or analysis. Qualifier Description B The same analyte is found in the associated blank. C3 The reported concentration is an estimate. The continuing calibration standard associated with this data responded low. Method sensitivity check is acceptable. J The identification of the analyte is acceptable; the reported value is an estimate. J1 Surrogate recovery limits have been exceeded; values are outside upper control limits. 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 52 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 52 of 57 Pace Analytical National 12065 Lebanon Rd Mount Juliet, TN 37122 Alabama 40660 Nebraska NE-OS-15-05 Alaska 17-026 Nevada TN000032021-1 Arizona AZ0612 New Hampshire 2975 Arkansas 88-0469 New Jersey–NELAP TN002 California 2932 New Mexico ¹TN00003 Colorado TN00003 New York 11742 Connecticut PH-0197 North Carolina Env375 Florida E87487 North Carolina ¹DW21704 Georgia NELAP North Carolina ³41 Georgia ¹923 North Dakota R-140 Idaho TN00003 Ohio–VAP CL0069 Illinois 200008 Oklahoma 9915 Indiana C-TN-01 Oregon TN200002 Iowa 364 Pennsylvania 68-02979 Kansas E-10277 Rhode Island LAO00356 Kentucky ¹ ⁶KY90010 South Carolina 84004002 Kentucky ²16 South Dakota n/a Louisiana AI30792 Tennessee ¹ ⁴2006 Louisiana LA018 Texas T104704245-20-18 Maine TN00003 Texas ⁵LAB0152 Maryland 324 Utah TN000032021-11 Massachusetts M-TN003 Vermont VT2006 Michigan 9958 Virginia 110033 Minnesota 047-999-395 Washington C847 Mississippi TN00003 West Virginia 233 Missouri 340 Wisconsin 998093910 Montana CERT0086 Wyoming A2LA A2LA – ISO 17025 1461.01 AIHA-LAP,LLC EMLAP 100789 A2LA – ISO 17025 ⁵1461.02 DOD 1461.01 Canada 1461.01 USDA P330-15-00234 EPA–Crypto TN00003 ACCREDITATIONS & LOCATIONS ¹ Drinking Water ² Underground Storage Tanks ³ Aquatic Toxicity ⁴ Chemical/Microbiological ⁵ Mold ⁶ Wastewater n/a Accreditation not applicable * Not all certifications held by the laboratory are applicable to the results reported in the attached report. * Accreditation is only applicable to the test methods specified on each scope of accreditation held by Pace Analytical. 1 Cp 2 Tc 3 Ss 4 Cn 5 Sr 6 Qc 7 Gl 8 Al 9 Sc ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:24 53 of 57 ACCOUNT:PROJECT:SDG:DATE/TIME:PAGE: One Atlas P66 6556 L1863077 06/12/25 10:31 53 of 57