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DERR-2024-013243
The analyses presented on this report were performed in accordance with the National Environmental Laboratory Accreditation Program (NELAP) unless noted in the comments, flags, or case narrative. If the report is to be used for regulatory compliance, it should be presented in its entirety, and not be altered. Client Service Contact: 801.262.7299 Terracon IHI Attn: Nancy Saunders 6949 South High Tech Drive Midvale, UT 84047 Work Order: 22K0901 Project: Terracon TOSA Redwood Rd Dump VCP 121 11/18/2022 Approved By: Mark Broadhead, Project Manager 9632 South 500 West Sandy, Utah 84070 Serving the Intermountain West since 1953 801.262.7299 Main 866.792.0093 Fax www.ChemtechFord.com Page 1 of 36 _____________________________________________________________________________________________ Terracon IHI Project: Terracon TOSA Redwood Rd Dump VCP 121 Project Manager: Nancy Saunders Laboratory ID Sample Name 22K0901-01 TP42 Fill 22K0901-02 TP42 Fill VOC ______________________________________________________________________________________________ Work Order Report Narrative Sample Preparation All samples were prepared within method specified holding times. No preparation issues were noted. Method Blanks All blank values were within method acceptance criteria. No blank values exceeded the minimum reporting limit for any analysis in this work order. Laboratory Control Samples All laboratory control samples were within method acceptance criteria. Method Spikes All method spike recoveries were within method acceptance criteria, except as noted by qualifying flags. Method Spike Duplicates All method spike duplicates were within method acceptance criteria, except as noted by qualifying flags. Corrective Actions There are no corrective actions associated with this work order. www.ChemtechFord.com Project Name: Terracon TOSA Redwood Rd Dump VCP 121 CtF WO#: 22K0901 Page 2 of 36 xx Chemtech-Ford Laboratories Serving the Intermountain West Since 1953 Certificate of Analysis 9632 South 500 West Sandy, UT 84070 O:(801) 262-7299 F: (866) 792-0093 www.ChemtechFord.com Terracon IHI Nancy Saunders 6949 South High Tech Drive Midvale, UT 84047 PO#: Receipt: Date Reported: Project Name: 11/10/22 14:22 @ 4.7 °C 11/18/2022 Terracon TOSA Redwood Rd Dump VCP 121 Sample ID: TP42 Fill Lab ID: 22K0901-01Matrix: Solid Sample Type: Composite Flag(s)Units Analysis Date/Time Date Sampled: 11/10/22 10:15 Preparation Date/Time Sampled By: Chris Howell Minimum Reporting Limit MethodResult Inorganic %11/17/2211/16/220.1 EPA 8000C79.7Total Solids Metals mg/kg dry 11/15/2211/10/224.97 EPA 6010B/C/D9.98Arsenic, Total mg/kg dry 11/15/2211/10/220.497 EPA 6010B/C/D247Barium, Total mg/kg dry 11/15/2211/10/220.497 EPA 6010B/C/D2.55Cadmium, Total mg/kg dry 11/15/2211/10/220.497 EPA 6010B/C/D78.4Chromium, Total mg/kg dry 11/15/2211/10/224.97 EPA 6010B/C/D361Lead, Total mg/kg dry 11/14/2211/14/220.022 EPA 7471A0.548Mercury, Total mg/kg dry 11/15/2211/10/224.97 EPA 6010B/C/DNDSelenium, Total mg/kg dry J11/15/2211/10/220.497 EPA 6010B/C/D0.149Silver, Total PCBs mg/kg dry 11/16/2211/14/220.3 EPA 8082NDPCB-1260 mg/kg dry 11/16/2211/14/220.3 EPA 8082NDPCB-1254 mg/kg dry 11/16/2211/14/220.3 EPA 80820.3PCB-1248 mg/kg dry 11/16/2211/14/220.3 EPA 8082NDPCB-1242 mg/kg dry 11/16/2211/14/220.3 EPA 8082NDPCB-1232 mg/kg dry 11/16/2211/14/220.3 EPA 8082NDPCB-1221 mg/kg dry 11/16/2211/14/220.3 EPA 8082NDPCB-1016 mg/kg dry 11/16/2211/14/220.3 EPA 8082NDPCB-1268 Semi-Volatile Compounds mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND1,2,4-Trichlorobenzene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND1,2-Dichlorobenzene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND1,3-Dichlorobenzene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND1,4-Dichlorobenzene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2,3,4,6-Tetrachlorophenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2,4,5-Trichlorophenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2,4,6-Trichlorophenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND1-Methylnaphthalene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2,4-Dichlorophenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2,4-Dimethylphenol mg/kg dry 11/11/2211/10/2218.8 EPA 8270E/3550BNDBenzidine mg/kg dry 11/11/2211/10/2210.0 EPA 8270E/3550BND2,4-Dinitrophenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2,4-Dinitrotoluene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDn-Octadecane mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2,6-Dichlorophenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2,6-Dinitrotoluene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2,2'-Oxybis(1-Chloropropane) Project Name: Terracon TOSA Redwood Rd Dump VCP 121 CtF WO#: 22K0901 www.ChemtechFord.com Page 3 of 36Page 3 of 36 xx Chemtech-Ford Laboratories Serving the Intermountain West Since 1953 Certificate of Analysis 9632 South 500 West Sandy, UT 84070 O:(801) 262-7299 F: (866) 792-0093 www.ChemtechFord.com Terracon IHI Nancy Saunders 6949 South High Tech Drive Midvale, UT 84047 PO#: Receipt: Date Reported: Project Name: 11/10/22 14:22 @ 4.7 °C 11/18/2022 Terracon TOSA Redwood Rd Dump VCP 121 Sample ID: TP42 Fill (cont.) Lab ID: 22K0901-01Matrix: Solid Sample Type: Composite Flag(s)Units Analysis Date/Time Date Sampled: 11/10/22 10:15 Preparation Date/Time Sampled By: Chris Howell Minimum Reporting Limit MethodResult Semi-Volatile Compounds (cont.) mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2-Chloronaphthalene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDDibenz (a,h) anthracene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDBiphenyl mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2-Chlorophenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2-Methylnaphthalene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2-Methylphenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2-Nitroaniline mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND2-Nitrophenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND3 & 4-Methylphenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND3,3´-Dichlorobenzidine mg/kg dry 11/11/2211/10/2212.6 EPA 8270E/3550BND3-Nitroaniline mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND4-Chloroaniline mg/kg dry 11/11/2211/10/2210.0 EPA 8270E/3550BND4,6-Dinitro-2-methylphenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND4-Bromophenyl phenyl ether mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND4-Chloro-3-methylphenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BND4-Chlorophenyl Phenyl Ether mg/kg dry 11/11/2211/10/2212.6 EPA 8270E/3550BND4-Nitroaniline mg/kg dry 11/11/2211/10/2210.0 EPA 8270E/3550BND4-Nitrophenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDAcenaphthene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDAcenaphthylene mg/kg dry 11/11/2211/10/2210.0 EPA 8270E/3550BNDAniline mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDAnthracene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDAzobenzene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDBenzo (a) anthracene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDBenzo (a) pyrene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDBenzo (b) fluoranthene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDBenzo (g,h,i) perylene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDBenzo (k) fluoranthene mg/kg dry J-LOW-L11/11/2211/10/2212.6 EPA 8270E/3550BNDBenzoic acid mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDBenzyl Alcohol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDBis (2-chloroethoxy) Methane mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDBis (2-chloroethyl) Ether mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDBis (2-ethylhexyl) Phthalate mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDButylbenzylphthalate mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDCarbazole mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDChrysene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDDibenzofuran Project Name: Terracon TOSA Redwood Rd Dump VCP 121 CtF WO#: 22K0901 www.ChemtechFord.com Page 4 of 36Page 4 of 36 xx Chemtech-Ford Laboratories Serving the Intermountain West Since 1953 Certificate of Analysis 9632 South 500 West Sandy, UT 84070 O:(801) 262-7299 F: (866) 792-0093 www.ChemtechFord.com Terracon IHI Nancy Saunders 6949 South High Tech Drive Midvale, UT 84047 PO#: Receipt: Date Reported: Project Name: 11/10/22 14:22 @ 4.7 °C 11/18/2022 Terracon TOSA Redwood Rd Dump VCP 121 Sample ID: TP42 Fill (cont.) Lab ID: 22K0901-01Matrix: Solid Sample Type: Composite Flag(s)Units Analysis Date/Time Date Sampled: 11/10/22 10:15 Preparation Date/Time Sampled By: Chris Howell Minimum Reporting Limit MethodResult Semi-Volatile Compounds (cont.) mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDDiethylphthalate mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDDimethyl phthalate mg/kg dry J11/11/2211/10/225.02 EPA 8270E/3550B2.06Di-n-butylphthalate mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDDi-n-Octylphthalate mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDDiphenylamine mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDFluoranthene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDFluorene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDHexachlorobenzene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDHexachlorobutadiene mg/kg dry J-LOW-C11/11/2211/10/225.02 EPA 8270E/3550BNDHexachlorocyclopentadiene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDHexachloroethane mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDIndeno (1,2,3-cd) pyrene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDIsophorone mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDNaphthalene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDNitrobenzene mg/kg dry 11/11/2211/10/2210.0 EPA 8270E/3550BNDN-Nitrosodimethylamine mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDN-Nitrosodi-n-propylamine mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDN-Nitrosodiphenylamine mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDPentachlorophenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDPhenanthrene mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDPhenol mg/kg dry 11/11/2211/10/225.02 EPA 8270E/3550BNDPyrene PAH by SIM mg/kg dry 11/17/2211/10/220.16 EPA 8270E/3550BND1-Methylnaphthalene mg/kg dry 11/17/2211/10/220.08 EPA 8270E/3550BNDIndene mg/kg dry 11/17/2211/10/220.08 EPA 8270E/3550BNDAcenaphthylene mg/kg dry 11/17/2211/10/220.16 EPA 8270E/3550BND2-Methylnaphthalene mg/kg dry 11/17/2211/10/220.08 EPA 8270E/3550BNDAcenaphthene mg/kg dry 11/17/2211/10/220.08 EPA 8270E/3550BNDAnthracene mg/kg dry J-High-L11/17/2211/10/220.08 EPA 8270E/3550B0.17Benzo (a) anthracene mg/kg dry J-High-L11/17/2211/10/220.08 EPA 8270E/3550B0.23Benzo (a) pyrene mg/kg dry J-High-L11/17/2211/10/220.08 EPA 8270E/3550B0.18Benzo (b) fluoranthene mg/kg dry J-High-L11/17/2211/10/220.08 EPA 8270E/3550B0.22Benzo (g,h,i) perylene mg/kg dry J-High-L11/17/2211/10/220.08 EPA 8270E/3550B0.08Benzo (k) fluoranthene mg/kg dry 11/17/2211/10/220.08 EPA 8270E/3550B0.24Chrysene mg/kg dry 11/17/2211/10/220.08 EPA 8270E/3550BNDDibenzo (a,h) anthracene mg/kg dry 11/17/2211/10/220.08 EPA 8270E/3550B0.22Fluoranthene Project Name: Terracon TOSA Redwood Rd Dump VCP 121 CtF WO#: 22K0901 www.ChemtechFord.com Page 5 of 36Page 5 of 36 xx Chemtech-Ford Laboratories Serving the Intermountain West Since 1953 Certificate of Analysis 9632 South 500 West Sandy, UT 84070 O:(801) 262-7299 F: (866) 792-0093 www.ChemtechFord.com Terracon IHI Nancy Saunders 6949 South High Tech Drive Midvale, UT 84047 PO#: Receipt: Date Reported: Project Name: 11/10/22 14:22 @ 4.7 °C 11/18/2022 Terracon TOSA Redwood Rd Dump VCP 121 Sample ID: TP42 Fill (cont.) Lab ID: 22K0901-01Matrix: Solid Sample Type: Composite Flag(s)Units Analysis Date/Time Date Sampled: 11/10/22 10:15 Preparation Date/Time Sampled By: Chris Howell Minimum Reporting Limit MethodResult PAH by SIM (cont.) mg/kg dry 11/17/2211/10/220.08 EPA 8270E/3550BNDFluorene mg/kg dry J-High-L11/17/2211/10/220.08 EPA 8270E/3550B0.22Indeno (1,2,3-cd) pyrene mg/kg dry 11/17/2211/10/220.16 EPA 8270E/3550BNDNaphthalene mg/kg dry 11/17/2211/10/220.08 EPA 8270E/3550B0.10Phenanthrene mg/kg dry 11/17/2211/10/220.08 EPA 8270E/3550B0.28Pyrene Project Name: Terracon TOSA Redwood Rd Dump VCP 121 CtF WO#: 22K0901 www.ChemtechFord.com Page 6 of 36Page 6 of 36 xx Chemtech-Ford Laboratories Serving the Intermountain West Since 1953 Certificate of Analysis 9632 South 500 West Sandy, UT 84070 O:(801) 262-7299 F: (866) 792-0093 www.ChemtechFord.com Terracon IHI Nancy Saunders 6949 South High Tech Drive Midvale, UT 84047 PO#: Receipt: Date Reported: Project Name: 11/10/22 14:22 @ 4.7 °C 11/18/2022 Terracon TOSA Redwood Rd Dump VCP 121 Sample ID: TP42 Fill VOC Lab ID: 22K0901-02Matrix: Solid Sample Type: Grab Flag(s)Units Analysis Date/Time Date Sampled: 11/10/22 10:15 Preparation Date/Time Sampled By: Chris Howell Minimum Reporting Limit MethodResult Inorganic %11/17/2211/16/220.1 EPA 8000C79.0Total Solids Volatile Organic Compounds mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND1,1,1,2-Tetrachloroethane mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND1,1,1-Trichloroethane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030AND1,1,2,2-Tetrachloroethane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030AND1,1,2-Trichloroethane mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND1,1,2-Trichlorotrifluoroethane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030AND1,1-Dichloroethane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030AND1,1-Dichloroethene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND1,1-Dichloropropene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND1,2,3-Trichlorobenzene mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030AND1,2,3-Trichloropropane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030AND1,2,4-Trichlorobenzene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND1,2,4-Trimethylbenzene mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030AND1,2-Dibromo-3-chloropropane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030AND1,2-Dibromoethane (EDB) mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND1,2-Dichlorobenzene mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030AND1,2-Dichloroethane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030AND1,2-Dichloropropane mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND1,3,5-Trimethylbenzene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND1,3-Dichlorobenzene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND1,3-Dichloropropane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030AND1,4-Dichlorobenzene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND2,2-Dichloropropane mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND2-Chlorotoluene mg/kg dry J-LOW-L11/14/2211/14/220.06 EPA 8260D /5030AND2-Nitropropane mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030AND4-Chlorotoluene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDp-Isopropyltoluene mg/kg dry 11/14/2211/14/220.06 EPA 8260D /5030ANDAcetone mg/kg dry MS-Low11/14/2211/14/220.003 EPA 8260D /5030ANDBenzene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDBromobenzene mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDBromochloromethane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDBromodichloromethane mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDBromoform mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030A0.006Bromomethane mg/kg dry J-LOW-L11/14/2211/14/220.006 EPA 8260D /5030ANDCarbon Disulfide mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDCarbon Tetrachloride Project Name: Terracon TOSA Redwood Rd Dump VCP 121 CtF WO#: 22K0901 www.ChemtechFord.com Page 7 of 36Page 7 of 36 xx Chemtech-Ford Laboratories Serving the Intermountain West Since 1953 Certificate of Analysis 9632 South 500 West Sandy, UT 84070 O:(801) 262-7299 F: (866) 792-0093 www.ChemtechFord.com Terracon IHI Nancy Saunders 6949 South High Tech Drive Midvale, UT 84047 PO#: Receipt: Date Reported: Project Name: 11/10/22 14:22 @ 4.7 °C 11/18/2022 Terracon TOSA Redwood Rd Dump VCP 121 Sample ID: TP42 Fill VOC (cont.) Lab ID: 22K0901-02Matrix: Solid Sample Type: Grab Flag(s)Units Analysis Date/Time Date Sampled: 11/10/22 10:15 Preparation Date/Time Sampled By: Chris Howell Minimum Reporting Limit MethodResult Volatile Organic Compounds (cont.) mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDChlorobenzene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDChloroethane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDChloroform mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDChloromethane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDcis-1,2-Dichloroethene mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDcis-1,3-Dichloropropene mg/kg dry 11/14/2211/14/220.13 EPA 8260D /5030ANDCyclohexanone mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDDibromochloromethane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDDibromomethane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDDichlorodifluoromethane mg/kg dry MS-Low11/14/2211/14/220.06 EPA 8260D /5030ANDEthyl Acetate mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDEthyl Ether mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDEthylbenzene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDHexachlorobutadiene mg/kg dry J-LOW-L11/14/2211/14/220.13 EPA 8260D /5030ANDIsobutanol mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDIsopropylbenzene mg/kg dry 11/14/2211/14/220.06 EPA 8260D /5030ANDMethyl Ethyl Ketone mg/kg dry 11/14/2211/14/220.06 EPA 8260D /5030ANDMethyl Isobutyl Ketone mg/kg dry 11/14/2211/14/220.13 EPA 8260D /5030ANDMethylene Chloride mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDMethyl-tert-butyl ether (MTBE) mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDNaphthalene mg/kg dry 11/14/2211/14/220.13 EPA 8260D /5030ANDn-Butyl Alcohol mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDn-Butylbenzene mg/kg dry MS-Low11/14/2211/14/220.13 EPA 8260D /5030ANDNitrobenzene mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDn-Propyl Benzene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDsec-Butyl Benzene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDStyrene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDtert-Butylbenzene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDTetrachloroethene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDToluene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDtrans-1,2-Dichloroethene mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDtrans-1,3-Dichloropropene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDTrichloroethene mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDTrichlorofluoromethane mg/kg dry 11/14/2211/14/220.006 EPA 8260D /5030ANDVinyl Chloride mg/kg dry MS-Low11/14/2211/14/220.006 EPA 8260D /5030ANDXylenes, total Project Name: Terracon TOSA Redwood Rd Dump VCP 121 CtF WO#: 22K0901 www.ChemtechFord.com Page 8 of 36Page 8 of 36 xx Chemtech-Ford Laboratories Serving the Intermountain West Since 1953 Certificate of Analysis 9632 South 500 West Sandy, UT 84070 O:(801) 262-7299 F: (866) 792-0093 www.ChemtechFord.com Terracon IHI Nancy Saunders 6949 South High Tech Drive Midvale, UT 84047 PO#: Receipt: Date Reported: Project Name: 11/10/22 14:22 @ 4.7 °C 11/18/2022 Terracon TOSA Redwood Rd Dump VCP 121 Report Footnotes Abbreviations ND = Not detected at the corresponding Minimum Reporting Limit (MRL). 1 mg/L = one milligram per liter or 1 mg/kg = one milligram per kilogram = 1 part per million. 1 ug/L = one microgram per liter or 1 ug/kg = one microgram per kilogram = 1 part per billion. 1 ng/L = one nanogram per liter or 1 ng/kg = one nanogram per kilogram = 1 part per trillion. Flag Descriptions J = Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J-High-L = Analyte estimated high based on LCS recovery J-LOW-C = Estimated low due to low recovery of CCV J-LOW-L = Estimated low due to low recovery of LCS MS-Low = Estimated low due to Matrix Spike recovery. Project Name: Terracon TOSA Redwood Rd Dump VCP 121 CtF WO#: 22K0901 www.ChemtechFord.com Page 9 of 36Page 9 of 36 Page 10 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Blank - EPA 6010B/C/D QC Sample ID: BWK0455-BLK1 Batch: BWK0455 Date Prepared: 11/10/2022 Date Analyzed: 11/14/2022 Arsenic, Total ND 5.00 1.00 Barium, Total ND 0.500 1.00 Cadmium, Total ND 0.500 1.00 Chromium, Total ND 0.500 1.00 Lead, Total ND 5.00 1.00 Selenium, Total ND 5.00 1.00 Silver, Total ND 0.500 1.00 Matrix Spike - EPA 6010B/C/D QC Sample ID: BWK0455-MS1 QC Source Sample: 22K0901-01Batch: BWK0455 Date Prepared: 11/10/2022 Date Analyzed: 11/15/2022 Arsenic, Total 92.6 75 - 125 160 9.98 162 8.09 2.00 Barium, Total 376 75 - 125 308 247 16.2 0.809 2.00 QM-RPD - The recovery was outside acceptance limits for the MS and/or MSD. The RPD between the MS and MSD was acceptable and indicates the recovery is due to matrix interference. The batch was accepted based on the acceptable recovery of the LCS and the RPD. Cadmium, Total 89.8 75 - 125 148 2.55 162 0.809 2.00 Chromium, Total 54.6 75 - 125 167 78.4 162 0.809 2.00 QM-RPD - The recovery was outside acceptance limits for the MS and/or MSD. The RPD between the MS and MSD was acceptable and indicates the recovery is due to matrix interference. The batch was accepted based on the acceptable recovery of the LCS and the RPD. Lead, Total 75.8 75 - 125 483 361 162 8.09 2.00 Selenium, Total 104 75 - 125 169 ND 162 8.09 2.00 Silver, Total 96.8 75 - 125 7.83 ND 8.09 0.809 2.00 Matrix Spike Dup - EPA 6010B/C/D QC Sample ID: BWK0455-MSD1 QC Source Sample: 22K0901-01Batch: BWK0455 Date Prepared: 11/10/2022 Date Analyzed: 11/15/2022 Arsenic, Total 99.1 5.58 75 - 125 20 169 9.98 160 8.02 2.00 Barium, Total 169 11.6 75 - 125 20 274 247 16.0 0.802 2.00 QM-RPD - The recovery was outside acceptance limits for the MS and/or MSD. The RPD between the MS and MSD was acceptable and indicates the recovery is due to matrix interference. The batch was accepted based on the acceptable recovery of the LCS and the RPD. Cadmium, Total 92.3 1.95 75 - 125 25 151 2.55 160 0.802 2.00 Chromium, Total 57.5 2.33 75 - 125 20 171 78.4 160 0.802 2.00 QM-RPD - The recovery was outside acceptance limits for the MS and/or MSD. The RPD between the MS and MSD was acceptable and indicates the recovery is due to matrix interference. The batch was accepted based on the acceptable recovery of the LCS and the RPD. Lead, Total 101 7.97 75 - 125 20 523 361 160 8.02 2.00 Selenium, Total 109 3.55 75 - 125 20 175 ND 160 8.02 2.00 Silver, Total 99.8 2.23 75 - 125 20 8.01 ND 8.02 0.802 2.00 Reference - EPA 6010B/C/D QC Sample ID: BWK0455-SRM1 Batch: BWK0455 Date Prepared: 11/10/2022 Date Analyzed: 11/14/2022 Arsenic, Total 81.3 62.5 - 116.346 169 208 6.19 1.00 Barium, Total 83.8 69.424 - 115.827 233 278 0.619 1.00 Cadmium, Total 82.7 66.834 - 111.222 82.5 99.8 0.619 1.00 Chromium, Total 84.3 64.253 - 119.457 186 221 0.619 1.00 Lead, Total 88.1 69.697 - 119.481 203 231 6.19 1.00 Selenium, Total 88.8 61.078 - 120.359 148 167 6.19 1.00 Silver, Total 42.0 64.844 - 120.898 21.5 51.2 0.619 1.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 11 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Blank - EPA 7471A QC Sample ID: BWK0589-BLK1 Batch: BWK0589 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 Mercury, Total ND 0.030 1.00 Matrix Spike - EPA 7471A QC Sample ID: BWK0589-MS1 QC Source Sample: 22K0901-01Batch: BWK0589 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 Mercury, Total 101 70 - 130 1.20 0.548 0.643 0.116 5.00 Matrix Spike Dup - EPA 7471A QC Sample ID: BWK0589-MSD1 QC Source Sample: 22K0901-01Batch: BWK0589 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 Mercury, Total 120 9.51 70 - 130 20 1.32 0.548 0.641 0.115 5.00 Reference - EPA 7471A QC Sample ID: BWK0589-SRM1 Batch: BWK0589 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 Mercury, Total 89.5 62.176 - 144.91 5.18 5.79 0.447 5.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 12 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Duplicate - EPA 8000C QC Sample ID: BWK0734-DUP1 QC Source Sample: XXXXXXX-XXBatch: BWK0734 Date Prepared: 11/16/2022 Date Analyzed: 11/17/2022 Total Solids 1.70 20 55.0 54.1 0.1 1.00 QC Sample ID: BWK0734-DUP2 QC Source Sample: XXXXXXX-XXBatch: BWK0734 Date Prepared: 11/16/2022 Date Analyzed: 11/17/2022 Total Solids 0.00261 20 99.8 99.8 0.1 1.00 QC Sample ID: BWK0734-DUP3 QC Source Sample: 22K0901-02Batch: BWK0734 Date Prepared: 11/16/2022 Date Analyzed: 11/17/2022 Total Solids 3.24 20 76.5 79.0 0.1 1.00 QC Sample ID: BWK0734-DUP4 QC Source Sample: 22K0901-01Batch: BWK0734 Date Prepared: 11/16/2022 Date Analyzed: 11/17/2022 Total Solids 1.63 20 78.4 79.7 0.1 1.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 13 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Blank - EPA 8082 QC Sample ID: BWK0615-BLK1 Batch: BWK0615 Date Prepared: 11/14/2022 Date Analyzed: 11/15/2022 PCB-1016 ND 0.2 1.00 PCB-1221 ND 0.2 1.00 PCB-1232 ND 0.2 1.00 PCB-1242 ND 0.2 1.00 PCB-1248 ND 0.2 1.00 PCB-1254 ND 0.2 1.00 PCB-1260 ND 0.2 1.00 PCB-1268 ND 0.2 1.00 LCS - EPA 8082 QC Sample ID: BWK0615-BS1 Batch: BWK0615 Date Prepared: 11/14/2022 Date Analyzed: 11/15/2022 PCB-1016 130 33 - 138 2.6 2.00 0.2 1.00 PCB-1260 117 43.6 - 141 2.3 2.00 0.2 1.00 Matrix Spike - EPA 8082 QC Sample ID: BWK0615-MS1 QC Source Sample: 22K0901-01Batch: BWK0615 Date Prepared: 11/14/2022 Date Analyzed: 11/15/2022 PCB-1016 119 28.5 - 137 3.0 ND 2.51 0.3 1.00 PCB-1260 102 32.1 - 139 2.6 ND 2.51 0.3 1.00 Matrix Spike Dup - EPA 8082 QC Sample ID: BWK0615-MSD1 QC Source Sample: 22K0901-01Batch: BWK0615 Date Prepared: 11/14/2022 Date Analyzed: 11/15/2022 PCB-1016 136 13.6 28.5 - 137 20 3.4 ND 2.51 0.3 1.00 PCB-1260 87.9 14.5 32.1 - 139 20 2.2 ND 2.51 0.3 1.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 14 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Blank - EPA 8260D /5030A QC Sample ID: BWK0639-BLK1 Batch: BWK0639 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 1,1,1,2-Tetrachloroethane ND 0.001 1.00 1,1,1-Trichloroethane ND 0.001 1.00 1,1,2,2-Tetrachloroethane ND 0.001 1.00 1,1,2-Trichloroethane ND 0.001 1.00 1,1,2-Trichlorotrifluoroethane ND 0.001 1.00 1,1-Dichloroethane ND 0.001 1.00 1,1-Dichloroethene ND 0.001 1.00 1,1-Dichloropropene ND 0.001 1.00 1,2,3-Trichlorobenzene ND 0.001 1.00 1,2,3-Trichloropropane ND 0.001 1.00 1,2,4-Trichlorobenzene ND 0.001 1.00 1,2,4-Trimethylbenzene ND 0.001 1.00 1,2-Dibromo-3-chloropropane ND 0.001 1.00 1,2-Dibromoethane (EDB)ND 0.001 1.00 1,2-Dichlorobenzene ND 0.001 1.00 1,2-Dichloroethane ND 0.001 1.00 1,2-Dichloropropane ND 0.001 1.00 1,3,5-Trimethylbenzene ND 0.001 1.00 1,3-Dichlorobenzene ND 0.001 1.00 1,3-Dichloropropane ND 0.001 1.00 1,4-Dichlorobenzene ND 0.001 1.00 2,2-Dichloropropane ND 0.001 1.00 2-Chlorotoluene ND 0.001 1.00 2-Nitropropane ND 0.01 1.00 J-LOW-L - Estimated low due to low recovery of LCS 4-Chlorotoluene ND 0.001 1.00 Acetone ND 0.01 1.00 Benzene ND 0.0004 1.00 Bromobenzene ND 0.001 1.00 Bromochloromethane ND 0.001 1.00 Bromodichloromethane ND 0.001 1.00 Bromoform ND 0.001 1.00 Bromomethane ND 0.001 1.00 Carbon Disulfide ND 0.001 1.00 J-LOW-L - Estimated low due to low recovery of LCS Carbon Tetrachloride ND 0.001 1.00 Chlorobenzene ND 0.001 1.00 Chloroethane ND 0.001 1.00 Chloroform ND 0.001 1.00 Chloromethane ND 0.001 1.00 cis-1,2-Dichloroethene ND 0.001 1.00 cis-1,3-Dichloropropene ND 0.001 1.00 Cyclohexanone ND 0.02 1.00 Dibromochloromethane ND 0.001 1.00 Dibromomethane ND 0.001 1.00 Dichlorodifluoromethane ND 0.001 1.00 Ethyl Acetate ND 0.01 1.00 Ethyl Ether ND 0.001 1.00 Ethylbenzene ND 0.001 1.00 Hexachlorobutadiene ND 0.001 1.00 Isobutanol ND 0.02 1.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 15 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Blank - EPA 8260D /5030A (cont.) QC Sample ID: BWK0639-BLK1 Batch: BWK0639 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 J-LOW-L - Estimated low due to low recovery of LCS Isopropylbenzene ND 0.001 1.00 Methyl Ethyl Ketone ND 0.01 1.00 Methyl Isobutyl Ketone ND 0.01 1.00 Methylene Chloride ND 0.02 1.00 Methyl-tert-butyl ether (MTBE)ND 0.001 1.00 Naphthalene ND 0.001 1.00 n-Butyl Alcohol ND 0.02 1.00 n-Butylbenzene ND 0.001 1.00 Nitrobenzene ND 0.02 1.00 n-Propyl Benzene ND 0.001 1.00 p-Isopropyltoluene ND 0.001 1.00 sec-Butyl Benzene ND 0.001 1.00 Styrene ND 0.001 1.00 tert-Butylbenzene ND 0.001 1.00 Tetrachloroethene ND 0.001 1.00 Toluene ND 0.001 1.00 trans-1,2-Dichloroethene ND 0.001 1.00 trans-1,3-Dichloropropene ND 0.001 1.00 Trichloroethene ND 0.001 1.00 Trichlorofluoromethane ND 0.001 1.00 Vinyl Chloride ND 0.001 1.00 Xylenes, total ND 0.001 1.00 LCS - EPA 8260D /5030A QC Sample ID: BWK0639-BS1 Batch: BWK0639 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 1,1,1,2-Tetrachloroethane 95.1 70 - 130 0.01 0.0100 0.001 1.00 1,1,1-Trichloroethane 100 70 - 130 0.01 0.0100 0.001 1.00 1,1,2,2-Tetrachloroethane 94.2 70 - 130 0.009 0.0100 0.001 1.00 1,1,2-Trichloroethane 106 70 - 130 0.01 0.0100 0.001 1.00 1,1,2-Trichlorotrifluoroethane 70.1 70 - 130 0.007 0.0100 0.001 1.00 1,1-Dichloroethane 68.9 70 - 130 0.007 0.0100 0.001 1.00 1,1-Dichloroethene 89.4 70 - 130 0.009 0.0100 0.001 1.00 1,1-Dichloropropene 95.8 70 - 130 0.01 0.0100 0.001 1.00 1,2,3-Trichlorobenzene 106 70 - 130 0.01 0.0100 0.001 1.00 1,2,3-Trichloropropane 89.1 70 - 130 0.009 0.0100 0.001 1.00 1,2,4-Trichlorobenzene 106 70 - 130 0.01 0.0100 0.001 1.00 1,2,4-Trimethylbenzene 85.4 70 - 130 0.009 0.0100 0.001 1.00 1,2-Dibromo-3-chloropropane 83.2 70 - 130 0.008 0.0100 0.001 1.00 1,2-Dibromoethane (EDB)93.9 70 - 130 0.009 0.0100 0.001 1.00 1,2-Dichlorobenzene 103 70 - 130 0.01 0.0100 0.001 1.00 1,2-Dichloroethane 94.1 70 - 130 0.009 0.0100 0.001 1.00 1,2-Dichloropropane 95.8 70 - 130 0.01 0.0100 0.001 1.00 1,3,5-Trimethylbenzene 97.2 70 - 130 0.01 0.0100 0.001 1.00 1,3-Dichlorobenzene 102 70 - 130 0.01 0.0100 0.001 1.00 1,3-Dichloropropane 93.3 70 - 130 0.009 0.0100 0.001 1.00 1,4-Dichlorobenzene 100 70 - 130 0.01 0.0100 0.001 1.00 2,2-Dichloropropane 84.4 70 - 130 0.008 0.0100 0.001 1.00 2-Chlorotoluene 97.5 70 - 130 0.01 0.0100 0.001 1.00 2-Nitropropane 40.7 70 - 130 0.01 0.0350 0.01 1.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 16 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte LCS - EPA 8260D /5030A (cont.) QC Sample ID: BWK0639-BS1 Batch: BWK0639 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 J-LOW-L - Estimated low due to low recovery of LCS 4-Chlorotoluene 96.2 70 - 130 0.01 0.0100 0.001 1.00 Acetone 78.7 70 - 130 0.08 0.100 0.01 1.00 Benzene 92.8 70 - 130 0.009 0.0100 0.0004 1.00 Bromobenzene 94.0 70 - 130 0.009 0.0100 0.001 1.00 Bromochloromethane 112 70 - 130 0.01 0.0100 0.001 1.00 Bromodichloromethane 103 70 - 130 0.01 0.0100 0.001 1.00 Bromoform 102 70 - 130 0.01 0.0100 0.001 1.00 Bromomethane 94.0 70 - 130 0.009 0.0100 0.001 1.00 Carbon Disulfide 54.2 70 - 130 0.005 0.0100 0.001 1.00 J-LOW-L - Estimated low due to low recovery of LCS Carbon Tetrachloride 92.3 70 - 130 0.009 0.0100 0.001 1.00 Chlorobenzene 97.7 70 - 130 0.01 0.0100 0.001 1.00 Chloroethane 79.9 70 - 130 0.008 0.0100 0.001 1.00 Chloroform 106 70 - 130 0.01 0.0100 0.001 1.00 Chloromethane 88.0 70 - 130 0.009 0.0100 0.001 1.00 cis-1,2-Dichloroethene 104 70 - 130 0.01 0.0100 0.001 1.00 cis-1,3-Dichloropropene 99.7 70 - 130 0.01 0.0100 0.001 1.00 Cyclohexanone 97.4 70 - 130 0.19 0.200 0.02 1.00 Dibromochloromethane 94.4 70 - 130 0.009 0.0100 0.001 1.00 Dibromomethane 100 70 - 130 0.01 0.0100 0.001 1.00 Dichlorodifluoromethane 113 70 - 130 0.01 0.0100 0.001 1.00 Ethyl Acetate 92.3 70 - 130 0.09 0.100 0.01 1.00 Ethyl Ether 74.0 70 - 130 0.007 0.0100 0.001 1.00 Ethylbenzene 97.6 70 - 130 0.01 0.0100 0.001 1.00 Hexachlorobutadiene 109 70 - 130 0.01 0.0100 0.001 1.00 Hexane 70 - 130 ND 0.0100 0.001 1.00 Isobutanol 54.8 70 - 130 0.11 0.200 0.02 1.00 J-LOW-L - Estimated low due to low recovery of LCS Isopropylbenzene 97.9 70 - 130 0.01 0.0100 0.001 1.00 Methyl Ethyl Ketone 89.1 70 - 130 0.09 0.100 0.01 1.00 Methyl Isobutyl Ketone 101 70 - 130 0.10 0.100 0.01 1.00 Methylene Chloride 97.2 70 - 130 0.01 0.0100 0.02 1.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Methyl-tert-butyl ether (MTBE)76.9 70 - 130 0.008 0.0100 0.001 1.00 Naphthalene 101 70 - 130 0.01 0.0100 0.001 1.00 n-Butyl Alcohol 91.0 70 - 130 0.18 0.200 0.02 1.00 n-Butylbenzene 106 70 - 130 0.01 0.0100 0.001 1.00 Nitrobenzene 115 70 - 130 0.23 0.200 0.02 1.00 n-Propyl Benzene 96.7 70 - 130 0.01 0.0100 0.001 1.00 p-Isopropyltoluene 101 70 - 130 0.01 0.0100 0.001 1.00 sec-Butyl Benzene 104 70 - 130 0.01 0.0100 0.001 1.00 Styrene 96.8 70 - 130 0.01 0.0100 0.001 1.00 tert-Butylbenzene 98.9 70 - 130 0.01 0.0100 0.001 1.00 Tetrachloroethene 83.8 70 - 130 0.008 0.0100 0.001 1.00 Toluene 103 70 - 130 0.01 0.0100 0.001 1.00 trans-1,2-Dichloroethene 94.4 70 - 130 0.009 0.0100 0.001 1.00 trans-1,3-Dichloropropene 101 70 - 130 0.01 0.0100 0.001 1.00 Trichloroethene 102 70 - 130 0.01 0.0100 0.001 1.00 Trichlorofluoromethane 96.1 70 - 130 0.01 0.0100 0.001 1.00 Vinyl Chloride 108 70 - 130 0.01 0.0100 0.001 1.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 17 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte LCS - EPA 8260D /5030A (cont.) QC Sample ID: BWK0639-BS1 Batch: BWK0639 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 Xylenes, total 101 70 - 130 0.03 0.0300 0.001 1.00 Matrix Spike - EPA 8260D /5030A QC Sample ID: BWK0639-MS1 QC Source Sample: 22K0901-02Batch: BWK0639 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 1,1,1,2-Tetrachloroethane 60.3 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,1,1-Trichloroethane 66.9 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,1,2,2-Tetrachloroethane 71.2 70 - 130 0.05 ND 0.0633 0.006 1.00 1,1,2-Trichloroethane 82.1 70 - 130 0.05 ND 0.0633 0.006 1.00 1,1,2-Trichlorotrifluoroethane 37.4 70 - 130 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,1-Dichloroethane 51.0 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,1-Dichloroethene 57.3 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,1-Dichloropropene 53.2 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,2,3-Trichlorobenzene 29.8 70 - 130 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,2,3-Trichloropropane 76.3 70 - 130 0.05 ND 0.0633 0.006 1.00 1,2,4-Trichlorobenzene 29.6 70 - 130 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,2,4-Trimethylbenzene 39.7 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,2-Dibromo-3-chloropropane 62.5 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,2-Dibromoethane (EDB)72.3 70 - 130 0.05 ND 0.0633 0.006 1.00 1,2-Dichlorobenzene 46.0 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,2-Dichloroethane 77.4 70 - 130 0.05 ND 0.0633 0.006 1.00 1,2-Dichloropropane 70.4 70 - 130 0.04 ND 0.0633 0.006 1.00 1,3,5-Trimethylbenzene 42.7 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,3-Dichlorobenzene 42.6 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,3-Dichloropropane 69.4 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,4-Dichlorobenzene 43.5 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 2,2-Dichloropropane 63.8 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 2-Chlorotoluene 45.8 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 2-Nitropropane 36.7 70 - 130 0.08 ND 0.221 0.06 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 4-Chlorotoluene 44.5 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Acetone 77.1 70 - 130 0.49 ND 0.633 0.06 1.00 Benzene 63.1 70 - 130 0.04 ND 0.0633 0.003 1.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 18 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Matrix Spike - EPA 8260D /5030A (cont.) QC Sample ID: BWK0639-MS1 QC Source Sample: 22K0901-02Batch: BWK0639 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 MS-Low - Estimated low due to Matrix Spike recovery. Bromobenzene 51.4 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Bromochloromethane 94.5 70 - 130 0.06 ND 0.0633 0.006 1.00 Bromodichloromethane 75.5 70 - 130 0.05 ND 0.0633 0.006 1.00 Bromoform 67.4 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Bromomethane 52.9 70 - 130 0.04 0.006 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Carbon Disulfide 31.1 70 - 130 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Carbon Tetrachloride 51.7 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Chlorobenzene 55.0 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Chloroethane 64.2 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Chloroform 75.0 70 - 130 0.05 ND 0.0633 0.006 1.00 Chloromethane 68.0 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. cis-1,2-Dichloroethene 74.3 70 - 130 0.05 ND 0.0633 0.006 1.00 cis-1,3-Dichloropropene 72.0 70 - 130 0.05 ND 0.0633 0.006 1.00 Cyclohexanone 82.0 70 - 130 1.04 ND 1.27 0.13 1.00 Dibromochloromethane 67.3 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Dibromomethane 78.4 70 - 130 0.05 ND 0.0633 0.006 1.00 Dichlorodifluoromethane 72.6 70 - 130 0.05 ND 0.0633 0.006 1.00 Ethyl Acetate 67.7 70 - 130 0.43 ND 0.633 0.06 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Ethyl Ether 62.2 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Ethylbenzene 52.9 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Hexachlorobutadiene 14.9 70 - 130 0.009 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Hexane 70 - 130 ND ND 0.0633 0.006 1.00 Isobutanol 54.5 70 - 130 0.69 ND 1.27 0.13 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Isopropylbenzene 47.8 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Methyl Ethyl Ketone 87.3 70 - 130 0.55 ND 0.633 0.06 1.00 Methyl Isobutyl Ketone 95.1 70 - 130 0.60 ND 0.633 0.06 1.00 Methylene Chloride 84.5 70 - 130 0.05 ND 0.0633 0.13 1.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Methyl-tert-butyl ether (MTBE)81.9 70 - 130 0.05 ND 0.0633 0.006 1.00 Naphthalene 36.1 70 - 130 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. n-Butyl Alcohol 93.5 70 - 130 1.18 ND 1.27 0.13 1.00 n-Butylbenzene 28.4 70 - 130 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Nitrobenzene 54.8 70 - 130 0.69 ND 1.27 0.13 1.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 19 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Matrix Spike - EPA 8260D /5030A (cont.) QC Sample ID: BWK0639-MS1 QC Source Sample: 22K0901-02Batch: BWK0639 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 MS-Low - Estimated low due to Matrix Spike recovery. n-Propyl Benzene 41.4 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. p-Isopropyltoluene 36.0 70 - 130 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. sec-Butyl Benzene 34.2 70 - 130 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Styrene 50.1 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. tert-Butylbenzene 41.3 70 - 130 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Tetrachloroethene 39.4 70 - 130 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Toluene 66.4 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. trans-1,2-Dichloroethene 61.8 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. trans-1,3-Dichloropropene 72.5 70 - 130 0.05 ND 0.0633 0.006 1.00 Trichloroethene 58.5 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Trichlorofluoromethane 62.8 70 - 130 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Vinyl Chloride 78.4 70 - 130 0.05 ND 0.0633 0.006 1.00 Xylenes, total 53.2 70 - 130 0.10 ND 0.190 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Matrix Spike Dup - EPA 8260D /5030A QC Sample ID: BWK0639-MSD1 QC Source Sample: 22K0901-02Batch: BWK0639 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 1,1,1,2-Tetrachloroethane 67.8 11.7 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,1,1-Trichloroethane 69.3 3.52 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,1,2,2-Tetrachloroethane 77.5 8.47 70 - 130 20 0.05 ND 0.0633 0.006 1.00 1,1,2-Trichloroethane 86.5 5.22 70 - 130 20 0.05 ND 0.0633 0.006 1.00 1,1,2-Trichlorotrifluoroethane 42.4 12.5 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,1-Dichloroethane 54.5 6.64 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,1-Dichloroethene 58.8 2.58 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,1-Dichloropropene 58.5 9.49 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,2,3-Trichlorobenzene 37.5 22.9 70 - 130 20 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,2,3-Trichloropropane 83.2 8.65 70 - 130 20 0.05 ND 0.0633 0.006 1.00 1,2,4-Trichlorobenzene 36.9 22.0 70 - 130 20 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,2,4-Trimethylbenzene 53.0 28.7 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,2-Dibromo-3-chloropropane 70.3 11.7 70 - 130 20 0.04 ND 0.0633 0.006 1.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 20 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Matrix Spike Dup - EPA 8260D /5030A (cont.) QC Sample ID: BWK0639-MSD1 QC Source Sample: 22K0901-02Batch: BWK0639 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 1,2-Dibromoethane (EDB)81.5 12.0 70 - 130 20 0.05 ND 0.0633 0.006 1.00 1,2-Dichlorobenzene 56.4 20.3 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,2-Dichloroethane 79.5 2.68 70 - 130 20 0.05 ND 0.0633 0.006 1.00 1,2-Dichloropropane 72.9 3.49 70 - 130 20 0.05 ND 0.0633 0.006 1.00 1,3,5-Trimethylbenzene 50.6 16.9 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,3-Dichlorobenzene 52.5 20.8 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 1,3-Dichloropropane 76.6 9.86 70 - 130 20 0.05 ND 0.0633 0.006 1.00 1,4-Dichlorobenzene 52.2 18.2 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 2,2-Dichloropropane 63.6 0.314 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 2-Chlorotoluene 53.3 15.1 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 2-Nitropropane 37.5 2.39 70 - 130 20 0.08 ND 0.221 0.06 1.00 MS-Low - Estimated low due to Matrix Spike recovery. 4-Chlorotoluene 53.0 17.4 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Acetone 79.8 3.53 70 - 130 20 0.51 ND 0.633 0.06 1.00 Benzene 67.3 6.44 70 - 130 20 0.04 ND 0.0633 0.003 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Bromobenzene 60.6 16.4 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Bromochloromethane 103 8.51 70 - 130 20 0.07 ND 0.0633 0.006 1.00 Bromodichloromethane 82.8 9.22 70 - 130 20 0.05 ND 0.0633 0.006 1.00 Bromoform 73.7 8.93 70 - 130 20 0.05 ND 0.0633 0.006 1.00 Bromomethane 60.8 13.9 70 - 130 20 0.04 0.006 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Carbon Disulfide 33.2 6.53 70 - 130 20 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Carbon Tetrachloride 60.8 16.2 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Chlorobenzene 61.1 10.5 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Chloroethane 63.6 0.939 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Chloroform 80.9 7.57 70 - 130 20 0.05 ND 0.0633 0.006 1.00 Chloromethane 69.7 2.47 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. cis-1,2-Dichloroethene 76.6 3.05 70 - 130 20 0.05 ND 0.0633 0.006 1.00 cis-1,3-Dichloropropene 76.8 6.45 70 - 130 20 0.05 ND 0.0633 0.006 1.00 Cyclohexanone 86.8 5.65 70 - 130 20 1.10 ND 1.27 0.13 1.00 Dibromochloromethane 73.8 9.21 70 - 130 20 0.05 ND 0.0633 0.006 1.00 Dibromomethane 87.0 10.4 70 - 130 20 0.06 ND 0.0633 0.006 1.00 Dichlorodifluoromethane 76.0 4.58 70 - 130 20 0.05 ND 0.0633 0.006 1.00 Ethyl Acetate 67.5 0.340 70 - 130 20 0.43 ND 0.633 0.06 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Ethyl Ether 66.8 7.13 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. CtF WO#: 22K0901 www.ChemtechFord.com Page 21 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Matrix Spike Dup - EPA 8260D /5030A (cont.) QC Sample ID: BWK0639-MSD1 QC Source Sample: 22K0901-02Batch: BWK0639 Date Prepared: 11/14/2022 Date Analyzed: 11/14/2022 Ethylbenzene 58.7 10.4 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Hexachlorobutadiene 21.1 34.4 70 - 130 20 0.01 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Hexane 70 - 130 20 ND ND 0.0633 0.006 1.00 Isobutanol 57.5 5.29 70 - 130 20 0.73 ND 1.27 0.13 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Isopropylbenzene 54.8 13.6 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Methyl Ethyl Ketone 89.3 2.24 70 - 130 20 0.56 ND 0.633 0.06 1.00 Methyl Isobutyl Ketone 96.1 1.12 70 - 130 20 0.61 ND 0.633 0.06 1.00 Methylene Chloride 85.7 1.41 70 - 130 20 0.05 ND 0.0633 0.13 1.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Methyl-tert-butyl ether (MTBE)86.1 5.00 70 - 130 20 0.05 ND 0.0633 0.006 1.00 Naphthalene 44.5 20.8 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. n-Butyl Alcohol 93.8 0.299 70 - 130 20 1.19 ND 1.27 0.13 1.00 n-Butylbenzene 35.6 22.5 70 - 130 20 0.02 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Nitrobenzene 66.8 19.7 70 - 130 20 0.85 ND 1.27 0.13 1.00 MS-Low - Estimated low due to Matrix Spike recovery. n-Propyl Benzene 47.3 13.3 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. p-Isopropyltoluene 44.1 20.2 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. sec-Butyl Benzene 42.7 22.1 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Styrene 57.3 13.4 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. tert-Butylbenzene 48.4 15.8 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Tetrachloroethene 45.4 14.2 70 - 130 20 0.03 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Toluene 70.9 6.55 70 - 130 20 0.04 ND 0.0633 0.006 1.00 trans-1,2-Dichloroethene 66.2 6.88 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. trans-1,3-Dichloropropene 81.5 11.7 70 - 130 20 0.05 ND 0.0633 0.006 1.00 Trichloroethene 66.1 12.2 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Trichlorofluoromethane 65.4 4.06 70 - 130 20 0.04 ND 0.0633 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. Vinyl Chloride 80.7 2.89 70 - 130 20 0.05 ND 0.0633 0.006 1.00 Xylenes, total 59.9 11.9 70 - 130 20 0.11 ND 0.190 0.006 1.00 MS-Low - Estimated low due to Matrix Spike recovery. CtF WO#: 22K0901 www.ChemtechFord.com Page 22 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Blank - EPA 8270E/3550B QC Sample ID: BWK0593-BLK1 Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/10/2022 1,2,4-Trichlorobenzene ND 0.40 1.00 1,2-Dichlorobenzene ND 0.40 1.00 1,3-Dichlorobenzene ND 0.40 1.00 1,4-Dichlorobenzene ND 0.40 1.00 1-Methylnaphthalene ND 0.01 1.00 2,2'-Oxybis(1-Chloropropane)ND 0.40 1.00 2,3,4,6-Tetrachlorophenol ND 0.40 1.00 2,4,5-Trichlorophenol ND 0.40 1.00 2,4,6-Trichlorophenol ND 0.40 1.00 2,4-Dichlorophenol ND 0.40 1.00 2,4-Dimethylphenol ND 0.40 1.00 2,4-Dinitrophenol ND 0.80 1.00 J-LOW-L - Estimated low due to low recovery of LCS 2,4-Dinitrotoluene ND 0.40 1.00 2,6-Dichlorophenol ND 0.40 1.00 2,6-Dinitrotoluene ND 0.40 1.00 2-Chloronaphthalene ND 0.40 1.00 2-Chlorophenol ND 0.40 1.00 2-Methylnaphthalene ND 0.01 1.00 2-Methylphenol ND 0.40 1.00 2-Nitroaniline ND 0.40 1.00 2-Nitrophenol ND 0.40 1.00 3 & 4-Methylphenol ND 0.40 1.00 3,3´-Dichlorobenzidine ND 0.40 1.00 3-Nitroaniline ND 1.00 1.00 4,6-Dinitro-2-methylphenol ND 0.80 1.00 4-Bromophenyl phenyl ether ND 0.40 1.00 4-Chloro-3-methylphenol ND 0.40 1.00 4-Chloroaniline ND 0.40 1.00 4-Chlorophenyl Phenyl Ether ND 0.40 1.00 4-Nitroaniline ND 1.00 1.00 4-Nitrophenol ND 0.80 1.00 Acenaphthene ND 0.006 1.00 Acenaphthylene ND 0.006 1.00 Aniline ND 0.80 1.00 Anthracene ND 0.40 1.00 Azobenzene ND 0.40 1.00 Benzidine ND 1.50 1.00 Benzo (a) anthracene ND 0.006 1.00 Benzo (a) pyrene ND 0.40 1.00 Benzo (b) fluoranthene ND 0.006 1.00 Benzo (g,h,i) perylene ND 0.006 1.00 Benzo (k) fluoranthene ND 0.40 1.00 Benzoic acid ND 1.00 1.00 J-LOW-L - Estimated low due to low recovery of LCS Benzyl Alcohol ND 0.40 1.00 Biphenyl ND 0.40 1.00 Bis (2-chloroethoxy) Methane ND 0.40 1.00 Bis (2-chloroethyl) Ether ND 0.40 1.00 Bis (2-ethylhexyl) Phthalate ND 0.40 1.00 Butylbenzylphthalate ND 0.40 1.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 23 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Blank - EPA 8270E/3550B (cont.) QC Sample ID: BWK0593-BLK1 Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/10/2022 Carbazole ND 0.40 1.00 Chrysene ND 0.006 1.00 Dibenz (a,h) anthracene ND 0.40 1.00 Dibenzo (a,h) anthracene ND 0.006 1.00 Dibenzofuran ND 0.40 1.00 Diethylphthalate ND 0.40 1.00 Dimethyl phthalate ND 0.40 1.00 Di-n-butylphthalate ND 0.40 1.00 Di-n-Octylphthalate ND 0.40 1.00 Diphenylamine ND 0.40 1.00 Fluoranthene ND 0.006 1.00 Fluorene ND 0.006 1.00 Hexachlorobenzene ND 0.40 1.00 Hexachlorobutadiene ND 0.40 1.00 Hexachlorocyclopentadiene ND 0.40 1.00 J-LOW-C - Estimated low due to low recovery of CCV Hexachloroethane ND 0.40 1.00 Indene ND 0.006 1.00 Indeno (1,2,3-cd) pyrene ND 0.40 1.00 Isophorone ND 0.40 1.00 Naphthalene ND 0.40 1.00 Nitrobenzene ND 0.40 1.00 N-Nitrosodimethylamine ND 0.80 1.00 N-Nitrosodi-n-propylamine ND 0.40 1.00 N-Nitrosodiphenylamine ND 0.40 1.00 n-Octadecane ND 0.40 1.00 Pentachlorophenol ND 0.40 1.00 Phenanthrene ND 0.40 1.00 Phenol ND 0.40 1.00 Pyrene ND 0.006 1.00 LCS - EPA 8270E/3550B QC Sample ID: BWK0593-BS1 Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/10/2022 1,2,4-Trichlorobenzene 62.4 45 - 130 0.4 0.670 0.40 1.00 1,2-Dichlorobenzene 90.6 45 - 130 0.6 0.670 0.40 1.00 1,3-Dichlorobenzene 81.3 45 - 130 0.5 0.667 0.40 1.00 1,4-Dichlorobenzene 82.2 45 - 130 0.5 0.667 0.40 1.00 1-Methylnaphthalene 93.2 50 - 130 0.6 0.600 0.26 20.00 2,2'-Oxybis(1-Chloropropane)45.8 45 - 130 0.3 0.667 0.40 1.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 2,3,4,6-Tetrachlorophenol 123 45 - 130 0.8 0.670 0.40 1.00 2,4,5-Trichlorophenol 119 45 - 130 0.8 0.670 0.40 1.00 2,4,6-Trichlorophenol 97.0 45 - 130 0.6 0.670 0.40 1.00 2,4-Dichlorophenol 76.7 45 - 130 0.5 0.667 0.40 1.00 2,4-Dimethylphenol 77.5 45 - 130 0.5 0.670 0.40 1.00 2,4-Dinitrophenol 45 - 130 ND 0.667 0.80 1.00 J-LOW-L - Estimated low due to low recovery of LCS 2,4-Dinitrotoluene 119 45 - 130 0.8 0.667 0.40 1.00 2,6-Dichlorophenol 70.3 45 - 130 0.5 0.670 0.40 1.00 2,6-Dinitrotoluene 127 45 - 130 0.9 0.670 0.40 1.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 24 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte LCS - EPA 8270E/3550B (cont.) QC Sample ID: BWK0593-BS1 Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/10/2022 2-Chloronaphthalene 76.3 45 - 130 0.5 0.670 0.40 1.00 2-Chlorophenol 50.3 45 - 130 0.3 0.670 0.40 1.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 2-Methylnaphthalene 96.5 50 - 130 0.6 0.667 0.26 20.00 2-Methylphenol 84.1 45 - 130 0.6 0.670 0.40 1.00 2-Nitroaniline 108 45 - 130 0.7 0.670 0.40 1.00 2-Nitrophenol 63.1 45 - 130 0.4 0.667 0.40 1.00 3 & 4-Methylphenol 112 45 - 130 1 1.33 0.40 1.00 3,3´-Dichlorobenzidine 130 45 - 130 2 1.34 0.40 1.00 3-Nitroaniline 125 45 - 130 0.8 0.670 1.00 1.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 4,6-Dinitro-2-methylphenol 72.6 45 - 130 0.5 0.667 0.80 1.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 4-Bromophenyl phenyl ether 111 45 - 130 0.7 0.667 0.40 1.00 4-Chloro-3-methylphenol 96.8 45 - 130 0.6 0.667 0.40 1.00 4-Chloroaniline 76.6 45 - 130 0.5 0.667 0.40 1.00 4-Chlorophenyl Phenyl Ether 105 45 - 130 0.7 0.670 0.40 1.00 4-Nitroaniline 110 45 - 130 0.7 0.670 1.00 1.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 4-Nitrophenol 101 45 - 130 0.7 0.667 0.80 1.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Acenaphthene 108 50 - 130 0.7 0.670 0.12 20.00 Acenaphthylene 103 45 - 130 0.7 0.670 0.40 1.00 Aniline 70.9 45 - 130 0.9 1.26 0.80 1.00 Anthracene 107 45 - 130 0.7 0.667 0.40 1.00 Azobenzene 76.9 45 - 130 0.5 0.670 0.40 1.00 Benzidine 54.4 45 - 130 0.7 1.33 1.50 1.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Benzo (a) anthracene 112 45 - 130 0.7 0.667 0.40 1.00 J-High-L - Analyte estimated high based on LCS recovery J-High-L - Analyte estimated high based on LCS recovery Benzo (a) pyrene 131 45 - 130 0.9 0.670 0.40 1.00 J-High-L - Analyte estimated high based on LCS recovery HB - Recovery for this parameter exceeded the upper acceptance limit. Associated sample(s) were all non-detect and therefore accepted and reported for this parameter. J-High-L - Analyte estimated high based on LCS recovery HB - Recovery for this parameter exceeded the upper acceptance limit. Associated sample(s) were all non-detect and therefore accepted and reported for this parameter. Benzo (b) fluoranthene 124 45 - 130 0.8 0.667 0.40 1.00 J-High-L - Analyte estimated high based on LCS recovery J-High-L - Analyte estimated high based on LCS recovery Benzo (g,h,i) perylene 136 45 - 130 0.9 0.670 0.40 1.00 J-High-L - Analyte estimated high based on LCS recovery J-High-L - Analyte estimated high based on LCS recovery HB - Recovery for this parameter exceeded the upper acceptance limit. Associated sample(s) were all non-detect and therefore accepted and reported for this parameter. HB - Recovery for this parameter exceeded the upper acceptance limit. Associated sample(s) were all non-detect and therefore accepted and reported for this parameter. Benzo (k) fluoranthene 139 45 - 130 0.9 0.670 0.40 1.00 HB - Recovery for this parameter exceeded the upper acceptance limit. Associated sample(s) were all non-detect and therefore accepted and reported for this parameter. J-High-L - Analyte estimated high based on LCS recovery CtF WO#: 22K0901 www.ChemtechFord.com Page 25 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte LCS - EPA 8270E/3550B (cont.) QC Sample ID: BWK0593-BS1 Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/16/2022 J-High-L - Analyte estimated high based on LCS recovery HB - Recovery for this parameter exceeded the upper acceptance limit. Associated sample(s) were all non-detect and therefore accepted and reported for this parameter. Benzoic acid 23.6 45 - 130 0.2 0.670 1.00 1.00 J-LOW-L - Estimated low due to low recovery of LCS J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Benzyl Alcohol 63.1 45 - 130 0.4 0.667 0.40 1.00 Biphenyl 106 45 - 130 0.6 0.600 0.40 1.00 Bis (2-chloroethoxy) Methane 69.5 45 - 130 0.5 0.670 0.40 1.00 Bis (2-chloroethyl) Ether 63.2 45 - 130 0.4 0.670 0.40 1.00 Bis (2-ethylhexyl) Phthalate 104 45 - 130 0.7 0.667 0.40 1.00 Butylbenzylphthalate 119 45 - 130 0.8 0.667 0.40 1.00 Carbazole 107 45 - 130 0.7 0.670 0.40 1.00 Chrysene 113 50 - 130 0.8 0.670 0.12 20.00 Dibenz (a,h) anthracene 145 45 - 130 1 0.667 0.40 1.00 HB - Recovery for this parameter exceeded the upper acceptance limit. Associated sample(s) were all non-detect and therefore accepted and reported for this parameter. Dibenzo (a,h) anthracene 154 50 - 130 1 0.667 0.12 20.00 J-High-L - Analyte estimated high based on LCS recovery Dibenzofuran 110 45 - 130 0.7 0.670 0.40 1.00 Diethylphthalate 148 45 - 130 1 0.670 0.40 1.00 HB - Recovery for this parameter exceeded the upper acceptance limit. Associated sample(s) were all non-detect and therefore accepted and reported for this parameter. Dimethyl phthalate 133 45 - 130 0.9 0.667 0.40 1.00 HB - Recovery for this parameter exceeded the upper acceptance limit. Associated sample(s) were all non-detect and therefore accepted and reported for this parameter. Di-n-butylphthalate 120 45 - 130 0.8 0.667 0.40 1.00 Di-n-Octylphthalate 120 45 - 130 0.8 0.667 0.40 1.00 Diphenylamine 102 45 - 130 0.7 0.670 0.40 1.00 Fluoranthene 126 50 - 130 0.8 0.667 0.12 20.00 Fluorene 108 50 - 130 0.7 0.667 0.12 20.00 Hexachlorobenzene 115 45 - 130 0.8 0.667 0.40 1.00 Hexachlorobutadiene 97.5 45 - 130 0.7 0.670 0.40 1.00 Hexachlorocyclopentadiene 48.5 45 - 130 0.3 0.670 0.40 1.00 J-LOW-C - Estimated low due to low recovery of CCV J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Hexachloroethane 95.4 45 - 130 0.6 0.667 0.40 1.00 Indeno (1,2,3-cd) pyrene 160 50 - 130 1 0.670 0.12 20.00 J-High-L - Analyte estimated high based on LCS recovery HB - Recovery for this parameter exceeded the upper acceptance limit. Associated sample(s) were all non-detect and therefore accepted and reported for this parameter. J-High-L - Analyte estimated high based on LCS recovery HB - Recovery for this parameter exceeded the upper acceptance limit. Associated sample(s) were all non-detect and therefore accepted and reported for this parameter. Isophorone 62.3 45 - 130 0.4 0.670 0.40 1.00 Naphthalene 65.4 45 - 130 0.4 0.670 0.40 1.00 Nitrobenzene 67.6 45 - 130 0.5 0.667 0.40 1.00 N-Nitrosodimethylamine 58.6 45 - 130 0.4 0.670 0.80 1.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). N-Nitrosodi-n-propylamine 95.7 45 - 130 0.6 0.670 0.40 1.00 N-Nitrosodiphenylamine 111 45 - 130 1 1.26 0.40 1.00 n-Octadecane 86.1 45 - 130 0.5 0.593 0.40 1.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 26 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte LCS - EPA 8270E/3550B (cont.) QC Sample ID: BWK0593-BS1 Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/10/2022 Pentachlorophenol 64.3 45 - 130 0.4 0.667 0.40 1.00 Phenanthrene 117 50 - 130 0.8 0.667 0.12 20.00 Phenol 61.6 45 - 130 0.4 0.667 0.40 1.00 Pyrene 110 45 - 130 0.7 0.667 0.40 1.00 Matrix Spike - EPA 8270E/3550B QC Sample ID: BWK0593-MS1 QC Source Sample: 22K0901-01Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/11/2022 1,2,4-Trichlorobenzene 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 1,2-Dichlorobenzene 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 1,3-Dichlorobenzene 45 - 130 0.8 ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 1,4-Dichlorobenzene 94.8 45 - 130 0.8 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 1-Methylnaphthalene 92.9 30 - 150 0.7 ND 0.753 0.33 20.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,2'-Oxybis(1-Chloropropane)45 - 130 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,3,4,6-Tetrachlorophenol 98.0 45 - 130 0.8 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 2,4,5-Trichlorophenol 45 - 130 0.7 ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,4,6-Trichlorophenol 91.7 45 - 130 0.8 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 2,4-Dichlorophenol 45 - 130 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,4-Dimethylphenol 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,4-Dinitrophenol 45 - 130 ND ND 0.837 10.0 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,4-Dinitrotoluene 110 45 - 130 0.9 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 2,6-Dichlorophenol 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,6-Dinitrotoluene 45 - 130 0.7 ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2-Chloronaphthalene 112 45 - 130 0.9 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 2-Chlorophenol 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2-Methylnaphthalene 45 - 130 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2-Methylphenol 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2-Nitroaniline 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2-Nitrophenol 45 - 130 ND ND 0.837 5.02 10.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 27 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Matrix Spike - EPA 8270E/3550B (cont.) QC Sample ID: BWK0593-MS1 QC Source Sample: 22K0901-01Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/11/2022 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 3 & 4-Methylphenol 158 45 - 130 3 ND 1.67 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 3,3´-Dichlorobenzidine 93.9 45 - 130 2 ND 1.68 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 3-Nitroaniline 97.2 45 - 130 0.8 ND 0.841 12.6 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 4,6-Dinitro-2-methylphenol 163 45 - 130 1 ND 0.837 10.0 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 4-Bromophenyl phenyl ether 119 45 - 130 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 4-Chloro-3-methylphenol 45 - 130 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 4-Chloroaniline 45 - 130 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 4-Chlorophenyl Phenyl Ether 128 45 - 130 1 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 4-Nitroaniline 45 - 130 ND ND 0.841 12.6 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 4-Nitrophenol 45 - 130 ND ND 0.837 10.0 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Acenaphthene 116 45 - 130 1 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Acenaphthylene 110 45 - 130 0.9 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Aniline 45 - 130 ND ND 1.59 10.0 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Anthracene 112 45 - 130 0.9 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Azobenzene 106 45 - 130 0.9 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Benzidine 45 - 130 ND ND 1.67 18.8 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Benzo (a) anthracene 138 45 - 130 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Benzo (a) pyrene 154 45 - 130 1 ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Benzo (b) fluoranthene 127 30 - 150 1 0.2 0.837 0.15 20.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. CtF WO#: 22K0901 www.ChemtechFord.com Page 28 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Matrix Spike - EPA 8270E/3550B (cont.) QC Sample ID: BWK0593-MS1 QC Source Sample: 22K0901-01Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/11/2022 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Benzo (g,h,i) perylene 168 30 - 150 2 0.2 0.841 0.15 20.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Benzo (k) fluoranthene 191 45 - 130 2 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Benzoic acid 129 45 - 130 1 ND 0.841 12.6 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Benzyl Alcohol 147 45 - 130 1 ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Biphenyl 131 45 - 130 1 ND 0.753 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Bis (2-chloroethoxy) Methane 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Bis (2-chloroethyl) Ether 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Bis (2-ethylhexyl) Phthalate 45 - 130 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Butylbenzylphthalate 45 - 130 1 ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Carbazole 109 45 - 130 0.9 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Chrysene 45 - 130 1 ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Dibenz (a,h) anthracene 138 45 - 130 1 ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Dibenzo (a,h) anthracene 147 30 - 150 1 ND 0.837 0.15 20.00 Dibenzofuran 117 45 - 130 1 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Diethylphthalate 134 45 - 130 1 ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Dimethyl phthalate 1270 45 - 130 11 ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Di-n-butylphthalate -142 45 - 130 0.9 2 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Di-n-Octylphthalate 128 45 - 130 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Diphenylamine 126 45 - 130 1 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Fluoranthene 149 45 - 130 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). CtF WO#: 22K0901 www.ChemtechFord.com Page 29 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Matrix Spike - EPA 8270E/3550B (cont.) QC Sample ID: BWK0593-MS1 QC Source Sample: 22K0901-01Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/11/2022 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Fluorene 124 45 - 130 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Hexachlorobenzene 118 45 - 130 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Hexachlorobutadiene 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Hexachlorocyclopentadiene 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Hexachloroethane 45 - 130 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Indeno (1,2,3-cd) pyrene 139 45 - 130 1 ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Isophorone 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Naphthalene 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Nitrobenzene 45 - 130 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. N-Nitrosodimethylamine 45 - 130 ND ND 0.841 10.0 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. N-Nitrosodi-n-propylamine 45 - 130 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. N-Nitrosodiphenylamine 133 45 - 130 2 ND 1.58 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). n-Octadecane 119 45 - 130 0.9 ND 0.745 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Pentachlorophenol 120 45 - 130 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Phenanthrene 122 30 - 150 1 0.1 0.837 0.15 20.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Phenol 45 - 130 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Pyrene 127 30 - 150 1 0.3 0.837 0.15 20.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Matrix Spike Dup - EPA 8270E/3550B CtF WO#: 22K0901 www.ChemtechFord.com Page 30 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Matrix Spike Dup - EPA 8270E/3550B (cont.) QC Sample ID: BWK0593-MSD1 QC Source Sample: 22K0901-01Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/11/2022 1,2,4-Trichlorobenzene 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 1,2-Dichlorobenzene 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 1,3-Dichlorobenzene 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 1,4-Dichlorobenzene 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 1-Methylnaphthalene 79.8 15.1 30 - 150 20 0.6 ND 0.753 0.33 20.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,2'-Oxybis(1-Chloropropane)45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,3,4,6-Tetrachlorophenol 45 - 130 20 0.6 ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,4,5-Trichlorophenol 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,4,6-Trichlorophenol 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,4-Dichlorophenol 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,4-Dimethylphenol 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,4-Dinitrophenol 45 - 130 20 ND ND 0.837 10.0 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,4-Dinitrotoluene 90.2 19.9 45 - 130 20 0.8 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 2,6-Dichlorophenol 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2,6-Dinitrotoluene 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2-Chloronaphthalene 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2-Chlorophenol 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2-Methylnaphthalene 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2-Methylphenol 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2-Nitroaniline 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 2-Nitrophenol 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 3 & 4-Methylphenol 45 - 130 20 ND ND 1.67 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 3,3´-Dichlorobenzidine 71.7 26.8 45 - 130 20 1 ND 1.68 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). RPD-01 - RPD between MS and MSD is outside established limits. Data is acceptable based on MS and MSD being within acceptable recovery limits. 3-Nitroaniline 81.6 17.5 45 - 130 20 0.7 ND 0.841 12.6 10.00 CtF WO#: 22K0901 www.ChemtechFord.com Page 31 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Matrix Spike Dup - EPA 8270E/3550B (cont.) QC Sample ID: BWK0593-MSD1 QC Source Sample: 22K0901-01Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/11/2022 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 4,6-Dinitro-2-methylphenol 147 10.3 45 - 130 20 1 ND 0.837 10.0 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). 4-Bromophenyl phenyl ether 45 - 130 20 0.8 ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 4-Chloro-3-methylphenol 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 4-Chloroaniline 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 4-Chlorophenyl Phenyl Ether 94.3 30.3 45 - 130 20 0.8 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). RPD-01 - RPD between MS and MSD is outside established limits. Data is acceptable based on MS and MSD being within acceptable recovery limits. 4-Nitroaniline 45 - 130 20 ND ND 0.841 12.6 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. 4-Nitrophenol 45 - 130 20 ND ND 0.837 10.0 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Acenaphthene 91.9 16.9 30 - 150 20 0.8 ND 0.841 0.15 20.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Acenaphthylene 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Aniline 45 - 130 20 ND ND 1.59 10.0 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Anthracene 94.9 16.6 45 - 130 20 0.8 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Azobenzene 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Benzidine 45 - 130 20 ND ND 1.67 18.8 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Benzo (a) anthracene 113 12.0 30 - 150 20 1 0.2 0.837 0.15 20.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Benzo (a) pyrene 127 11.9 30 - 150 20 1 0.2 0.841 0.15 20.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Benzo (b) fluoranthene 147 14.0 45 - 130 20 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Benzo (g,h,i) perylene 148 12.8 30 - 150 20 1 0.2 0.841 0.15 20.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). CtF WO#: 22K0901 www.ChemtechFord.com Page 32 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Matrix Spike Dup - EPA 8270E/3550B (cont.) QC Sample ID: BWK0593-MSD1 QC Source Sample: 22K0901-01Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/11/2022 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Benzo (k) fluoranthene 142 29.9 45 - 130 20 1 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Benzoic acid 120 7.38 45 - 130 20 1 ND 0.841 12.6 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Benzyl Alcohol 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Biphenyl 102 25.6 45 - 130 20 0.8 ND 0.753 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Bis (2-chloroethoxy) Methane 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Bis (2-chloroethyl) Ether 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Bis (2-ethylhexyl) Phthalate 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Butylbenzylphthalate 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Carbazole 45 - 130 20 0.8 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Chrysene 108 14.7 30 - 150 20 1 0.2 0.841 0.15 20.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Dibenz (a,h) anthracene 117 15.7 45 - 130 20 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Dibenzo (a,h) anthracene 134 8.76 30 - 150 20 1 ND 0.837 0.15 20.00 Dibenzofuran 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Diethylphthalate 96.0 32.9 45 - 130 20 0.8 ND 0.841 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Dimethyl phthalate 155 156 45 - 130 20 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Di-n-butylphthalate -246 -53.8 45 - 130 20 0.8 2 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Di-n-Octylphthalate 123 4.49 45 - 130 20 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Diphenylamine 45 - 130 20 0.8 ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Fluoranthene 130 4.58 30 - 150 20 1 0.2 0.837 0.15 20.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). CtF WO#: 22K0901 www.ChemtechFord.com Page 33 of 36 QC Report for Work Order (WO) - 22K0901 % Rec RPD RPD Max MRL DFResultSpk ValueLimitsSource ConcAnalyte Matrix Spike Dup - EPA 8270E/3550B (cont.) QC Sample ID: BWK0593-MSD1 QC Source Sample: 22K0901-01Batch: BWK0593 Date Prepared: 11/10/2022 Date Analyzed: 11/11/2022 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Fluorene 95.2 26.2 45 - 130 20 0.8 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). RPD-01 - RPD between MS and MSD is outside established limits. Data is acceptable based on MS and MSD being within acceptable recovery limits. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). RPD-01 - RPD between MS and MSD is outside established limits. Data is acceptable based on MS and MSD being within acceptable recovery limits. Hexachlorobenzene 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Hexachlorobutadiene 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Hexachlorocyclopentadiene 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Hexachloroethane 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Indeno (1,2,3-cd) pyrene 150 12.8 30 - 150 20 1 0.2 0.841 0.15 20.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Isophorone 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Naphthalene 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Nitrobenzene 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. N-Nitrosodimethylamine 45 - 130 20 ND ND 0.841 10.0 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. N-Nitrosodi-n-propylamine 45 - 130 20 ND ND 0.841 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. N-Nitrosodiphenylamine 100 28.0 45 - 130 20 2 ND 1.58 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. n-Octadecane 45 - 130 20 ND ND 0.745 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Pentachlorophenol 117 2.64 45 - 130 20 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Phenanthrene 125 9.79 45 - 130 20 1 ND 0.837 5.02 10.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Phenol 45 - 130 20 ND ND 0.837 5.02 10.00 MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. Pyrene 129 1.14 30 - 150 20 1 0.3 0.837 0.15 20.00 J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. MS-Dil - Matrix spike recovery out of range due to dilution required for analytes out of calibration range and/or interferences. J - Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). CtF WO#: 22K0901 www.ChemtechFord.com Page 34 of 36 Surrogates Report for Work Order (WO) - 22K0901 Spk ValueResultUCL DF BatchLCL% RecAnalyteQC ID Blank - EPA 8082 BWK0615-BLK1 2,4,5,6 Tetrachloro-m-xylene 123 0 BWK0615 1.001511.23 1.00 BWK0615-BLK1 Decachlorobiphenyl 106 0 BWK0615 1.001781.06 1.00 LCS - EPA 8082 BWK0615-BS1 2,4,5,6 Tetrachloro-m-xylene 115 0 BWK0615 1.001511.15 1.00 BWK0615-BS1 Decachlorobiphenyl 127 0 BWK0615 1.001781.27 1.00 Matrix Spike - EPA 8082 BWK0615-MS1 2,4,5,6 Tetrachloro-m-xylene 112 0 BWK0615 1.001511.40 1.26 BWK0615-MS1 Decachlorobiphenyl 105 0 BWK0615 1.001781.32 1.26 Matrix Spike Dup - EPA 8082 BWK0615-MSD1 2,4,5,6 Tetrachloro-m-xylene 117 0 BWK0615 1.001511.47 1.26 BWK0615-MSD1 Decachlorobiphenyl 97.7 0 BWK0615 1.001781.23 1.26 Blank - EPA 8260D /5030A BWK0639-BLK1 1,2-Dichloroethane-d4 98.7 78.4 BWK0639 1.001230.00987 0.0100 BWK0639-BLK1 4-Bromofluorobenzene 106 65.6 BWK0639 1.001340.0106 0.0100 BWK0639-BLK1 Toluene-d8 100 82.2 BWK0639 1.001250.0100 0.0100 LCS - EPA 8260D /5030A BWK0639-BS1 1,2-Dichloroethane-d4 101 70 BWK0639 1.001300.0101 0.0100 BWK0639-BS1 4-Bromofluorobenzene 90.1 70 BWK0639 1.001300.00901 0.0100 BWK0639-BS1 Toluene-d8 100 70 BWK0639 1.001300.0100 0.0100 Matrix Spike - EPA 8260D /5030A BWK0639-MS1 1,2-Dichloroethane-d4 113 78.4 BWK0639 1.001230.0718 0.0633 BWK0639-MS1 4-Bromofluorobenzene 95.2 65.6 BWK0639 1.001340.0602 0.0633 BWK0639-MS1 Toluene-d8 108 82.2 BWK0639 1.001250.0685 0.0633 Matrix Spike Dup - EPA 8260D /5030A BWK0639-MSD1 1,2-Dichloroethane-d4 109 78.4 BWK0639 1.001230.0692 0.0633 BWK0639-MSD1 4-Bromofluorobenzene 93.8 65.6 BWK0639 1.001340.0594 0.0633 BWK0639-MSD1 Toluene-d8 105 82.2 BWK0639 1.001250.0666 0.0633 Blank - EPA 8270E/3550B BWK0593-BLK1 2-Fluorophenol 69.7 15 BWK0593 1.001300.464 0.667 BWK0593-BLK1 Phenol-d5 75.9 22 BWK0593 1.001300.506 0.667 BWK0593-BLK1 2-Fluorophenol 79.9 15 BWK0593 1.001300.533 0.667 BWK0593-BLK1 Nitrobenzene-d5 70.7 20 BWK0593 1.001300.236 0.333 BWK0593-BLK1 2-Fluorobiphenyl 70.3 25 BWK0593 1.001300.234 0.333 BWK0593-BLK1 2,4,6-Tribromophenol 111 10 BWK0593 1.001400.739 0.667 BWK0593-BLK1 Terphenyl-dl4 127 31 BWK0593 1.001400.424 0.333 BWK0593-BLK1 Terphenyl-dl4 64.2 26 BWK0593 1.001430.214 0.333 LCS - EPA 8270E/3550B BWK0593-BS1 2-Fluorophenol 68.3 15 BWK0593 1.001300.455 0.667 BWK0593-BS1 Phenol-d5 68.4 22 BWK0593 1.001300.456 0.667 BWK0593-BS1 2-Fluorophenol 71.7 15 BWK0593 20.001300.478 0.667 BWK0593-BS1 Nitrobenzene-d5 50.5 20 BWK0593 1.001300.168 0.333 BWK0593-BS1 2-Fluorobiphenyl 71.4 25 BWK0593 1.001300.238 0.333 BWK0593-BS1 2,4,6-Tribromophenol 109 10 BWK0593 1.001400.724 0.667 BWK0593-BS1 Terphenyl-dl4 105 31 BWK0593 20.001400.350 0.333 CtF WO#: 22K0901 www.ChemtechFord.com Page 35 of 36 LCS - EPA 8270E/3550B (cont.) BWK0593-BS1 Terphenyl-dl4 61.8 26 BWK0593 1.001430.206 0.333 Matrix Spike - EPA 8270E/3550B BWK0593-MS1 2-Fluorophenol 68.0 15 BWK0593 10.001300.569 0.837 BWK0593-MS1 2-Fluorophenol 64.1 15 BWK0593 20.001300.537 0.837 BWK0593-MS1 Phenol-d5 79.8 22 BWK0593 10.001300.668 0.837 BWK0593-MS1 Nitrobenzene-d5 44.2 20 BWK0593 10.001300.185 0.418 BWK0593-MS1 2-Fluorobiphenyl 94.1 25 BWK0593 10.001300.394 0.418 BWK0593-MS1 2,4,6-Tribromophenol 113 10 BWK0593 10.001400.944 0.837 BWK0593-MS1 Terphenyl-dl4 122 31 BWK0593 20.001400.510 0.418 BWK0593-MS1 Terphenyl-dl4 68.5 26 BWK0593 10.001430.287 0.418 Matrix Spike Dup - EPA 8270E/3550B BWK0593-MSD1 2-Fluorophenol 60.1 15 BWK0593 10.001300.503 0.837 BWK0593-MSD1 Phenol-d5 78.4 22 BWK0593 10.001300.656 0.837 BWK0593-MSD1 2-Fluorophenol 82.6 15 BWK0593 20.001300.691 0.837 BWK0593-MSD1 Nitrobenzene-d5 55.3 20 BWK0593 10.001300.231 0.418 BWK0593-MSD1 2-Fluorobiphenyl 83.4 25 BWK0593 10.001300.349 0.418 BWK0593-MSD1 2,4,6-Tribromophenol 96.9 10 BWK0593 10.001400.811 0.837 BWK0593-MSD1 Terphenyl-dl4 64.0 26 BWK0593 10.001430.268 0.418 BWK0593-MSD1 Terphenyl-dl4 130 31 BWK0593 20.001400.544 0.418 UCLLCL%RecResultAnalyteLabNumber Surrogate Recoveries (Field Samples) SpkLvl Qualifier 8270 PAH-SIM 22K0901-01 Terphenyl-dl4 0.578 138 31 1400.418 22K0901-01 2-Fluorophenol 0.495 59.2 15 1300.837 8270E Semivolatiles 22K0901-01 Terphenyl-dl4 0.281 67.3 26 1430.418 22K0901-01 Phenol-d5 0.303 36.2 22 1300.837 22K0901-01 Nitrobenzene-d5 0.116 27.6 20 1300.418 22K0901-01 2-Fluorophenol 0.379 45.3 15 1300.837 22K0901-01 2-Fluorobiphenyl 0.263 62.9 25 1300.418 22K0901-01 2,4,6-Tribromophenol 0.609 72.8 10 1400.837 8260 Low Level Volatiles 22K0901-02 Toluene-d8 0.0668 106 82.2 1250.0633 22K0901-02 4-Bromofluorobenzene 0.0660 104 65.6 1340.0633 22K0901-02 1,2-Dichloroethane-d4 0.0706 112 78.4 1230.0633 CtF WO#: 22K0901 www.ChemtechFord.com Page 36 of 36