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DSHW-2006-005490 - 0901a06880155d34
ATK ALLIANT TECHSYSTEIt^S 23 March 2006 8200-FY06-059 Mr. Dennis R. Downs, Executive Secretary State of Utah Department of Environmental Quality Division of Solid and Hazaidous Waste 288 N. 1460 W. P.O. Box 144880 Salt Lake City, Utah 84114-4880 ATK Thiokol Inc. P.O. Box 707 Brigham City. UT 84302-0707 Tel 435 863-3511 Fax 435 863-2234 RECeiVlED SOLID & HAZARDOUS WASTE Dear Mr. Downs ATTENTION: Jeff Vandell Subject: Semi-Annual RFI Progress Repoit As required by Section VIIH of Thiokol Corporation's Post Closure Permit, the following semi- annual RFI progress report is submitted for your review. The reporting period covered by this report is 1 September 2005 -1 March 2006. This report contains details on source area investigation using passive soil gas sampling. Ifyou have any questions regarding this report, please direct them to myself at (435) 863-3344. Sincerely Paul V Hancock, Manager Environmental Remediation c: Walter L. Baker, Director, Division of Water Quality 23 March 2006 8200-FY06-059 Mr. Dennis R. Downs, Executive Secretary Slate of Utah Department of Environmental Quality Division of Solid and Hazardous Waste 288 N. 1460 W. P.O. Box 144880 Salt Lake City, Utah 84114-4880 ATK Thiokol Inc. P.O. Box 707 Brigham City, UT 84302-0707 Tel 435 863-3511 Fax 435 863-2234 mo UTAffUlVTSfDR OF SOLID & HAZARDOUS WASTE Dear Mr. Downs ATTENTION: Jeff Vandell Subject: Semi-Annual RFI Progress Report As required by Section VIIH of Thiokol Coiporation's Post Closure Permit, the foiiowing semi- annual RFI progress report is submitted for your review. The reporting period covered by this report is 1 September 2005 -1 March 2006. This report contains details on source area investigation using passive soil gas sampling. If you have any questions regarding this report, please direct them to myself at (435) 863-3344. Sincerely <r le^C^yCl/ l^l^yi^U^C^^^ Paul V Hancock, Manager Environmental Remediation c: Walter L. Baker, Director, Division of Water Quality SEMI-ANNUAL RFI PROGRESS REPORT 1 September 2005 - 1 March 2006 ATK Thiokol Promontory Facility 1. Description and estimation of the percentage of the RCRA Facilitie.s Investigation completed Investigation of Potential Source Areas at Plant 3 ll is believed ihal the source of conlamination in ihe groundwater al Planl 3 is related to a source area al ihis location. In an effort lo locate a source area al Planl 3, passive soil gas samples were collected in two bisecting transects through the main facility. The samples were collecled according lo ihe DSHW approved plan used in ihe other passive soil gas investigations at the Promonlory facility. Pilot test for Treatment of Perchlorate Contaminated Soils. As descnbed in the September 2005 RFI semiannual report, a peirhlorate in soil liealinenl pilot lest was started. This soil was the result of the cleanup of perchlorate spills including SWMU 677. The DSHW approved the lest plan entitled Work Plan For a Corrective-Measure Pilot Tesl to Evaluate Ex-Situ Remediation of Pcrchlorale-Conlaminaled Soil, September 2005. Apparently, due the late season start, the bio-piles have remained cold and have not shown any biological aclion. We anticipate that the warmer weather will activate the piles. 2. Summaries of all findings Findings and tesl results from the soil gas investigation are included as an attachment (o this submiltaJ. In summary, on a relative scale, higher soil gas levels were found near the M-212 building. This was compared lo the RFI report (submitted lo the DSHW in October 2000) for this sile. The highest levels or source correlated lo the location of SWMU 149, the old sump location at M-212. Soil samples collected during the RFI investigation al this site showed low |)pb levels of TCE but nol significantly high lo warrant further investigation or remediation. A copy oi'the SWMU 149 RFI report is included as an attachment. Results from the perchlorate contaminated soil treatment will be submitted following the summer weather and the activation of the piles. 3. Summaries of all changes made in the RCRA Facility Investigation during the reporting period The implementation of the perchlorate contaminated soil Irealmcnl pilot test. 4. Summaries of all contact with representatives of the local community, public interest groups or State Government during the reporting period Coirespondence regarding RFI activities has been limited lo the Division o\' Solid and Hazardous Waste and the Division of Water qualily. 5. Summaries of all problems or potential problems encountered during the reporting period There were no significani problems encountered during the reporiing period. 6. Actions taken to rectify problems Thiokol continues to review all available information and pursue all avenues lo resolve any uncertainly associated with the solid waste management units. 7. Changes in personnel during the reporting period There are no changes in personnel. The existing environmental staff will continue to conduct the sampling when possible. Contractors will be used when specialized equipment is required. 8. Projected work for the next reporting period Efforts for the next reporiing period will focus on receiving approval for voluntary coirective measures, investigating additional solid waste management units, and report preparation. The results of the soil gas work, al this time have nol shown possible source areas. Additional sites may be surveyed wilh this melhod as warranted. The perchlorate coniaminaied soil bio-remedialion pilot lest will be ongoing through the nexl reporiing period. 9. Copies of daily reports, inspection reports, laboratory and monitoring data Results of the analysis of the soil gas modules and the report are included as an attachment. BEACON Report No. EM1834 PASSIVE SOIL-GAS SURVEY ATK THIOKOL PROPULSION CORINNE, UT Prepared for Ailiant Techsystems, Inc. Building M-3 Receiving 9160 North Highway 83 Corinne, UT 84307 by ENVIRONMENTAL SERVICES, INC. Beacon Environmental Services, Inc. 323 Williams Street Suite D Bel Air, MD 21014 November 11, 2005 Applying Results from Soil-Gas Surveys The utility of soil-gas surveys is directly proportional to their accuracy in reflecting and representing changes in the subsurface concentrations of source compounds. Passive soil-gas survey results are the mass collected from the vapor-phase emanating from the source. The vapor-phase is merely a fractional trace of the source, so, as a matter of convenience, the units used in reporting detection values from passive soil-gas surveys are smaller than those employed for source-compound concentradons. The critical fact is that, whatever the relative concentrations of source and associated soil gas, best results are realized when the ratio of soil-gas measurements to actual subsurface concentrations remains as close to constant as the real world permits. It is the reliability and consistency of this ratio, not the particular units of mass (e.g., nanograms) that determine usefulness. Thus, BEACON emphasizes the necessity of conducting — al minimum — follow- on intrusive sampling at one or two points that show relatively high soil-gas measurements to obtain corresponding concentrations of soil and groundwater contaminants. These correspondent values furnish the basis for approximating the required ratio. Once that ratio is established, it can be used in conjunction with the soil-gas measurements (regardless of the units adopted) to estimate subsurface contaminant concentrations across the survey field. It is important to keep in mind, however, that specific conditions at individual sample points, including soil porosity and permeability, depth to contamination, and perched ground water, can have significant impact on soil-gas measurements at those locations. When passive soil-gas surveys are handled in this way, the data provide information that can yield substantial savings in drilling costs and in time. They furnish, among other things, a checklist of compounds expected at each survey location and help to determine how and where drilling budgets can most effectively be spent. BEACON Report Number: EM1834 Passive Soil-Gas Survey ATK Thiokol Propulsion Corinne, UT This Passive Soil-Gas Survey Report has been prepared for Ailiant Techsystems, Inc. (ATK) by Beacon Environmental Services, inc. (BEACON) in accordance with the terms of Purchase Order No. ATK- 12992, dated September 16, 2005. BEACON's principal technical contact at ATK for this project has been Mr. John Holladay. 1. Objectives Soil-gaS samples were collected to determine the presence, identity, and relative strength of targeted contaminants in soil and/or ground water at the ATK Thiokol Propulsion site. Survey results will be used to identify source areas and delineate the lateral extent of contamination. 2. Target Compounds This survey targeted the 15 compounds listed in Table 1, which supplies the resulting laboratory data in nanograms (ng) of specific compound per cartridge. 3. Survey Description No. of Field Samples: 51 No. of Trip Blanks: _1 Total No. of Samples: 53 Field sample locations are shown on Figure 1. Note: No location information was provided to BEACON for sample location FBI; therefore, it is not shown on Figure 1. 4. Field Work ATK was provided a Field Kit with the equipment needed to conduct a 51-point passive soil-gas survey. Samplers were deployed on October 19, 2005, and were retrieved on November 2, 2005. Attachment 1 describes the field procedures used. Individual deployment and retrieval times will be found in the Field Deployment Report (Attachment 2). /• <^ PT340 /A PT3 39 o •> ^<$> ,/c^^ 323 Williams Street, Suite D, Bel Air, MD, 800-878-5510 Beacon Project No. E1VI1834, November 2005 / -// PT3 3flA PT3^A PT3 28 PT32tiL^ PT3 26A PT3 25 A PT3irA. ;PT?1>A^ TCC3 PT318• PT3ll^ PT3 20 TCC3A A PASSIVE SOIL-GAS SAMPLE LOCATION PT3 08 Figure 1 Passive Soil-Gas Survey Sample Locations ATK Thiokol Propulsion Corinne, UT BEACON ENVIRONMENTAL SERVICES, INC. Passive Soil-Gas Survey ATK Thiokol Propulsion Corinne, UT 5. Analysis and Reporting Dates BEACON'S laboratory received 53 samples for analysis on November 3, 2005. Adsorbent cartridges from the passive samplers were thermally desorbed, then analyzed using gas chromatography/mass spectrometry (GC/MS) equipment, in accordance with EPA Method 8260B (Modified), as described in Attachment 3. BEACON's laboratoiy analyzed each cartridge for the targeted compounds; analyses were completed on November 4, 2005. Following a laboratory review, results were provided to ATK on November 8, 2005. 6. Report Notes and Quality Assurance/Quality Control Factors Table 1 provides survey results in nanograms per cartridge by sample-point number and compound name. The quantitation levels represent values above which quantitative laboratory results can be achieved within specified limits of precision and with a high degree of confidence. The quantitation level for each compound, therefore, provides a reliable basis for comparing the relative strength of any detection of that compound. Data Compatibility. It is important to note that when sample locations are covered with or near the edge of an artificial surface (e.g., asphalt or concrete), sample measurements are often distorted (increased) significantly. Such distortion can be attributed to the fact that gas rising from sources beneath impermeable caps tends to reach equilibrium underneath the cap. Thus, a reading taken below or near an impermeable surface is much higher than it would be in the absence of such a cap. The Chain-of-Custody form, which was shipped with the samples for this survey, is supplied as Attachment 4. Laboratory QA/QC procedures included standards, surrogates, and blanks appropriate to EPA Method 8260 (Modified). Field work, analyses, and reporting were done in accordance with BEACON's Quality Assurance Program Plan. QA/QC Contaminant Corrections. Following EPA guidelines, laboratory data is not con-ected for method blank or trip blank sample contamination values; any containinadon detected on QA/QC samples is reported in Table 1. Laboratory method blanks are run each day with project samples to identify contamination present in the laboratory. If contamination is detected on a method blank, measuremenls of identical compounds on samples analyzed the same day are considered to be suspect and are flagged in the laboratory report. The laboratory method blanks analyzed in connection with the present samples revealed no contamination. BEACON ENVIRONMENTAL SERVICES, INC. Passive Soil-Gas Survey ATK Thiokol Propulsion Corinne, UT The trip blank is a sampling cartridge prepared, transported, and analyzed with other samples but intentionally not exposed. Any target compounds identified on the trip blanks are reported in the laboratory data. The analyses of the trip blanks (labeled Trip-1 and Trip-2 in Table 1) reported none of the targeted compounds, indicating that the survey site itself is the source of detected contamination. Survey findings are relative exclusively to this project and should not routinely be compared with results of other BEACON Surveys. To establish a relationship between reported soil-gas nieasurenients and acltial subsurface contaminant concentrations, which will indicate Ihose detections representing significani siibsutface contamination, BEACON recommends the guidelines on the inside front cover ofthis report. Al the request of ATK, the following compound distribution maps have been provided: Figure 2 — Trichloroethene Figure 3— 1,1,1-Trichloroethane The following Attachments are included: -1- Field Procedures -2- Field Deployment Report -3- Laboratory Procedures -4- Chain-of-Custody Form EM 1834 Table 1 Beacon Environmental Services, Inc. 323 Williams Street, Ste. D Bel Air, MD 21014 Analysis by EPA Method 8260B (Modified) Client Sample ID: Project Number: Lab File ID: Received Dale: Analysis Date: Analysis Time: Units: COMPOUNDS 1,1-Dichloroethene trans-1,2-Dichloroethene 1,1-Dichloroethane cis-1,2-Dichloroethene Chloroform 1,2-Dichloroethane 1,1,1-Trichloroethane Carbon Tetrachloride Trichloroethene 1,1,2-Trichloroethane 1,2-Dibromoethane (EDB) Tetrachloroethene Chiorobenzene Bromoform 1,1,2,2-Tetrachloroethane Meth_Blk EM 1834 05110303 11/3/2005 15:05 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 Trip-1 EM1834 05110304 11/3/2005 11/3/2005 15:35 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 01 EM 1834 05110305 11/3/2005 11/3/2005 16:06 ng/trap <25 <25 <25 <25 <25 <25 180 <25 397 <25 <25 <25 <25 <25 <25 PT3 02 EM 1834 05110306 11/3/2005 11/3/2005 16:37 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 03 EM1834 05110307 11/3/2005 11/3/2005 17:08 ng/trap <25 <25 <25 <25 <25 <25 54 <25 329 <25 <25 <25 <25 <25 <25 PT3 04 EM 1834 05110308 11/3/2005 11/3/2005 17:40 ng/trap <25 <25 <25 <25 <25 <25 86 <25 314 <25 <25 <25 <25 <25 <25 Results in nanograms (ng). J = Estimated value below reported quantitation level, B = Detected in method blank. Page 1 of 10 Table 1 Beacon Environmental Services, Inc. 323 Williams Street, Ste. D Bel Air, MD 21014 Analysis by EPA Method 8260B (Modified) Client Sainple ID: Project Number: Lab File ID: Received Date: Analysis Date: Analysis Time: Units: COMPOUNDS 1,1-Dichloroethene trans-1,2-Dichloroelhene 1,1-Dichloroethane cis-1,2-Dichloroethene Chloroform 1,2-Dichloroethane 1,1,1-Trichloroethane Carbon Tetrachloride Trichloroethene 1,1,2-Trichloroethane 1,2-Dibromoethane (EDB) Tetrachloroethene Chiorobenzene Bromoform 1,1,2,2-Tetrachloroethane PT3 05 EM 1834 05110309 11/3/2005 11/3/2005 18:11 ng/trap <25 <25 <25 <25 <25 <25 278 <25 601 <25 <25 <25 <25 <25 <25 PT3 06 EM 1834 05110310 11/3/2005 11/3/2005 18:42 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 07 EM 1834 05110311 11/3/2005 11/3/2005 19:13 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 08 EM 1834 051I03I2 11/3/2005 1 1/3/2005 19:45 ng/trap <25 <25 <25 <25 <25 <25 26 <25 <25 <25 <25 <25 <25 <25 <25 PT3 09 EM 1834 05110313 11/3/2005 11/3/2005 20:16 ng/trap <25 <25 <25 <25 <25 <25 34 <25 <25 <25 <25 <25 <25 <25 <25 PT3 10 EM 1834 05110314 11/3/2005 1 1/3/2005 20:47 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 Results in nanograms (ng). J = Estimated value below reported quantitation level. B = Detected in method blank. Page 2 of 10 Table 1 Beacon Environmental Services, Inc. 323 Williams Street, Ste. D Bel Air, MD 21014 Analysis by EPA Method 8260B (Modified) Client Sample ID: Project Number: Lab File ID: Received Date: Analysis Date: Analysts Time: Units: COMPOUNDS 1,1-Dichloroethene trans-1,2-Dichloroethene 1,1-Dichloroethane cis-1,2-Dichloroethene Chloroform 1,2-Dichloroethane 1,1,1-Trichloroethane Carbon Tetrachloride Trichloroethene 1,1,2-Trichloroethane 1,2-Dibromoethane (EDB) Tetrachloroethene Chiorobenzene Broinoform 1,1,2,2-Tetrachloroethane PT3 11 EM 1834 05110315 11/3/2005 11/3/2005 21:19 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 12 EM 1834 05110316 11/3/2005 11/3/2005 21:50 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 13 EM 1834 05110317 11/3/2005 11/3/2005 22:22 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 14 EM 1834 05110318 11/3/2005 11/3/2005 22:52 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 15 EM 1834 05110319 11/3/2005 11/3/2005 23:24 ng/lrap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 16 EM 1834 05110320 11/3/2005 11/3/2005 23:55 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 Results in nanograms (ng). J = Estimated value below reported quantitation level. B = Detected in method blank. Page 3 of 10 Table 1 Beacon Environmental Services, Inc. 323 Williams Street, Ste. D Bel Air, MD 21014 Analysis by EPA Method 8260B (Modified) Client Sample ID: Projecl Number: Lab File ID: Received Date: Analysis Date: Analysis Ti me: Units: COMPOUNDS 1,1-Dichloroethene trans-1,2-Dichloroethene 1,1-Dichloroethane cis-1,2-Dichloroethene Chloroform 1,2-Dichloroethane 1,1,1-Trichloroethane Carbon Tetrachloride Trichloroethene 1,1,2-Trichloroethane 1,2-Dibromoethane (EDB) Telrachloroe thene Chiorobenzene Bromoform 1,1,2,2-Tetrachloroethane PT3 17 EM 1834 05110321 1 1/3/2005 11/4/2005 0:26 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 18 EM 1834 05110322 11/3/2005 11/4/2005 0:58 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 19 EM 1834 05110323 11/3/2005 11/4/2005 1:29 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 20 EM 1834 05110324 11/3/2005 11/4/2005 2:01 ng/trap <25 <25 <25 <25 <25 <25 .<25 <25 <25 <25 <25 <25 <25 <25 <25 Trip-2 EM 1834 05110325 11/3/2005 11/4/2005 2:32 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 21 EM 1834 05110326 11/3/2005 11/4/2005 3:03 ng/trap <25 <25 <25 <25 <25 <25 137 <25 3,220 <25 <25 <25 <25 <25 <25 Results in nanograms (ng). J = Estimated value below reported quantitation level. B = Detected in method blank. Page 4 of 10 Table 1 Beacon Environmental Services, Inc. 323 Williams Street, Ste. D Bel Air, MD 21014 Analysis by EPA Method 8260B (Modified) Client Sample ID: Project Number: Lab File ID: Received Date: Analysis Date: Analysis Time: Units: COMPOUNDS 1,1-Dichloroethene trans-1,2-Dichloroethene 1,1-Dichloroethane cis-1,2-Dichloroethene Chloroform 1,2-Dichloroethane 1,1,1-Trichloroethane Carbon Tetrachloride Trichloroethene 1,1,2-Trichloroethane 1,2-Dibromoethane (EDB) Tetrachloroethene Chiorobenzene Bromoform 1,1,2,2-Tetrachloroethane PT3 22 EM 1834 05110327 11/3/2005 11/4/2005 3:35 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 151 <25 <25 <25 <25 <25 <25 PT3 23 EM 1834 05110328 11/3/2005 11/4/2005 4:06 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 79 <25 <25 <25 <25 <25 <25 PT3 24 EM 1834 05110329 11/3/2005 11/4/2005 4:36 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 25 EM 1834 05110330 11/3/2005 11/4/2005 5:08 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 26 EM 1834 05110331 11/3/2005 11/4/2005 5:39 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 27 EM 1834 05110332 11/3/2005 11/4/2005 6:11 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 ResuUs in nanograms (ng), J = Estimated value below reported quantitation level. B = Detected in melhod blank. Page 5 of 10 Table 1 Beacon Environmental Services, Inc. 323 Williams Street, Ste. D Bel Air, MD 21014 Analysis by EPA Method 8260B (Modified) Client Sample ID: Project Number: Lab File ID: Received Date: Analysis Date: Analysis Time: Unils: COMPOUNDS 1,1-Dichloroethene trans-1,2-Dichloroethene 1,1-Dichloroethane cis-1,2-Dichloroethene Chloroform 1,2-Dichloroethane 1,1,1-Trichloroethane Carbon Tetrachloride Trichloroethene 1,1,2-Trichloroethane 1,2-Dibromoethane (EDB) Tetrachloroethene Chiorobenzene Bromoforni 1,1,2,2-Tetrachloroethane PT3 28 EM 1834 05110333 11/3/2005 1 1/4/2005 6:42 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 29 EM 1834 05110334 11/3/2005 11/4/2005 7:13 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 30 EM 1834 05110335 11/3/2005 11/4/2005 7:45 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 3I EM 1834 05110336 11/3/2005 11/4/2005 8:16 ng/lrap <25 <25 <25 <25 . <25 <25 57 <25 241 <25 <25 <25 <25 <25 <25 PT3 32 EM 1834 05110337 11/3/2005 11/4/2005 8:47 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 33 EM 1834 05110338 11/3/2005 11/4/2005 9:18 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 Results in nanograms (ng). J = Estimated value below reported quantitation level, B = Detected in method blank. Page 6 of 10 Table 1 Beacon Environmental Services, Inc. 323 Williams Street, Ste. D Bel Air, MD 21014 Analysis by EPA Method 8260B (Modified) Client Sample ID: Project Nuniber: Lab File ID: Received Date: Analysis.Date: Analysis Time: Units: COMPOUNDS 1,1-Dichloroethene trans-1,2-Dichloroethene 1,1-Dichloroelhane cis-1,2-Dichloroethene Chloroform 1,2-Dichloroethane 1,1,1-Trichloroethane Carbon Tetrachloride Trichloroethene 1,1,2-Trichloroelhane 1,2-Dibromoethane (EDB) Tetrachloroelhene Chiorobenzene Biomoform 1,1,2,2-Tetrachloroethane PT3 34 EM 1834 05110339 11/3/2005 11/4/2005 9:49 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 42 <25 <25 <25 <25 <25 <25 PT3 35 EM 1834 05110340 11/3/2005 11/4/2005 10:20 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 36 EM 1834 05110341 11/3/2005 11/4/2005 10:51 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 37 EM 1834 05110342 11/3/2005 1 1/4/2005 11:22 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 38 EM 1834 05110343 11/3/2005 11/4/2005 11:53 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 39 EM 1834 05110344 11/3/2005 11/4/2005 12:24 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 Results in nanograms (ng), J = Estimated value below reported quantitation level. B = Detected in method blank. Page 7 of 10 Table 1 Beacon Environmental Services, Inc. 323 Williams Street, Ste. D Bel Air, MD 21014 Analysis by EPA Method 8260B (Modified) Client Sample ID: Project Number: Lab File ID: Received Date: Analysis Date: Analysis Time: Units: COMPOUNDS 1,1-Dichloroethene trans-1,2-Dichloroelhene 1,1-Dichloroethane cis-1,2-Dichloroethene Chloroform 1,2-Dichloroethane 1,1,1-Trichloroethane Carbon Tetrachloride Trichloroelhene 1,1,2-Trichloroethane 1,2-Dibromoethane (EDB) Tetrachloroethene Chiorobenzene Bromoform 1,1,2,2-Telrachloroethane PT3 40 EM 1834 05110345 11/3/2005 11/4/2005 12:56 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 41 EM 1834 05110347 11/3/2005 11/4/2005 13:58 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 139 <25 <25 <25 <25 <25 <25 Meth_Blk EM 1834 05110403 11/4/2005 15:57 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 42 EM1834 05110404 1 1/3/2005 1 1/4/2005 16:28 ng/irap <25 <25 <25 <25 <25 <25 <25 <25 191 <25 <25 <25 <25 <25 <25 PT3 43 EM 1834 05110405 11/3/2005 11/4/2005 16:59 ng/lrap <25 <25 <25 <25 <25 <25 <25 <25 38 <25 <25 <25 <25 <25 <25 PT3 44 EM 1834 05110406 11/3/2005 11/4/2005 17:31 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 Results in nanograms (ng), J = Estimated value below reported quantitation level, B = Detected in method blank. Page 8 of 10 Table 1 Beacon Environmental Services, Inc. 323 Williams Street, Ste. D Bel Air, MD 21014 Analysis by EPA Method 8260B (Modified) Client Sample ID: Project Number: Lab File ID: Received Date: Analysis Date: Analysis Time: Units: COMPOUNDS 1,1-Dichloroethene trans-1,2-Dichloroethene 1,1-Dichloroethane cis-1,2-Dichloroethene Chloroform 1,2-Dichloroethane 1,1,1-Trichloroethane Carbon Tetrachloride Trichloroelhene 1,1,2-Trichloroethane 1,2-Dibromoethane (EDB) Tetrachloroethene Chiorobenzene Bromoform 1,1,2,2-Telrachloroethane PT3 45 EM 1834 05110407 11/3/2005 I i/4/2005 18:02 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 46 EM 1834 05110408 1 1/3/2005 11/4/2005 18:33 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 47 EM 1834 05110409 11/3/2005 11/4/2005 19:04 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 48 EM 1834 05110410 11/3/2005 11/4/2005 19:35 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 49 EM 1834 05110411 11/3/2005 I 1/4/2005 20:07 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 PT3 50 EM 1834 05110412 11/3/2005 11/4/2005 20:38 ng/trap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 Results in nanograms (ng), J = Estimated value below reported quantitation level, B = Detected in method blank. Page 9 of 10 Table 1 Beacon Environmental Services, Inc. 323 Williams Street, Ste. D Bel Air, MD 21014 Analysis by EPA Method 8260B (Modified) Client Sample ID: Project Number: Lab File ID: Received Date: Analysis Date: Analysis Time: Units: COMPOUNDS 1,1-Dichloroethene trans-1,2-Dichloroethene 1,1-Dichloroethane cis-1,2-Dichloroethene Chloroform 1,2-Dichloroethane 1,1,1-Trichloroethane Carbon Tetrachloride Trichloroethene 1,1,2-Trichloroethane 1,2-Dibromoethane (EDB) Tetrachloroethene Chiorobenzene Bromoform 1,1,2,2-Tetrachloroelhane FBI EM 1834 05110413 1 1/3/2005 11/4/2005 21:09 ng/lrap <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 Results in nanograms (ng). J = Estimated value below reported quantitation level. B = Detected in method blank. Pa^e 10 of 10 ^ 323 Williams Street, Suite D, Bel Air, MD, 800-878-5510 Beacon Project No. EM1834, November 2005 PT3 3aA PT3 2dA PT3 28A PT3 PT3 2^A PT3 2ff PT3 2SA 79 >T32iA PT3 PT3 23Ali22 PT3 22 / / / 24f"V// % PT3 01A329 / T3 41 PT3diA^ 314 ! PTSOSA 601 PT3 04 PT30I ^ 4 ^ <J / ;?TSO7, '«0tA. PT3 09^ PT310i PT3 11"^ PTSirA PT313A PT31>A^ PT3 15 A PT31ffA PT318. O TCC3 PT3ll^ PT320 TCC3A / // // /./ Scale in Feet 200 400 3,200 3,000 2,800 2,600 2,400 2,200 2,000 1,800 1,600 1,400 1,200 1,000 800 600 400 200 Color Scale (nanograms) 250 TRICHLOROETHENE (nanograms) A PASSIVE SOIL-GAS SAMPLE LOCATION PT3 08 Figure 2 Passive Soil-Gas Survey Trichloroethene ATK Thiokol Propulsion Corinne, UT / F/ / / / A p/3^ F FviziA I F 300 275 250 225 200 175 150 125 100 75 50 25 Color Scale (nanograms) 250 1,1,1-TRICHLOROETHANE (nanograms) A PASSIVE SOIL-GAS SAMPLE LOCATION PT3 08 323 Williams Street, Suite D, Bel Air, MD, 800-878-5510 Beacon Project No. EMI834, November 2005 Figure 3 Passive Soil-Gas Survey 1,1,1-Trichloroethane ATK Thiokol Propulsion Corinne, UT Attachments Attachment 1 FIELD PROCEDURES FOR PASSIVE SOIL-GAS SURVEYS The following field procedures are routinely used during a BEACON Passive Soil-Gas Survey. Modifications can be and are incorporated from time to time in response to individual project requirements. In all instances, BEACON adheres to EPA-approved Quality Assurance and Quality Control practices. A. Field personnel cairy systein components and support equipmeni lo the site and deploy the passive samplers in a prearranged survey pattern. A passive sampler consists of a glass vial containing hydrophobic adsorbent cartridges with a length of wire attached to the vial for retrieval. Although samplers require only one person for emplacement and retrieval, the specific number of field personnel required depends upon the scope and schedule of the project. Each Sampler emplacement generally takes less than two minutes. B. At each survey point a field technician clears vegetation as needed and, using a slide hammer with a V-L' diameter probe or a hanuner drill with a V2' diameter bit, creates a hole three-feet deep. The technician then uses a hanuner and a %" diameter pointed metal slake to widen the top four inches of the hole. [Note: For locations covered with asphalt, concrete, or gravel surfacing, the field technician first drills a 1"- to lV2"-diameter hole through the surfacing to the soils beneath and the hole is sleeved with a %" i.d. metal sleeve.] C. The technician then removes the solid plastic cap from a sampler and replaces it with a Sampling Cap (a plastic cap with a hole covered by screen meshing). The technician inserts the sampler, with the Sampling Cap end facing down, into the hole (see attached figure). The sampler is then covered with either local soils for uncapped locations or, for capped locations, aluminum foil and a concrete patch. The sampler's location, time and date of emplacement, and other relevant information are recorded on the Field Deployment Form. D. One or more trip blanks are included as part of the quality-control procedures. E. Once all the samplers have been deployed, field personnel schedule sampler recovery and depart, taking all other equipment and materials with them. F. Field personnel retrieve the samplers at the end of the exposure period. At each location, a field technician withdraws the sampler from its hole, removes the retrieval wire, and wipes the outside of the vial clean using gauze cloth; following removal of the Sampling Cap, the threads of the vial are also cleaned. A solid plastic cap is screwed onto the vial and the sample location number is written on the label. The technician then records sample-point location, date, time, etc. on the Field Deployment Form. G. Sampling holes are refilled with soil, sand, or other suitable material. If samplers have been installed through asphalt or concrete, the hole is filled to grade with a plug of cold patch or cement. H. Following retrieval, field personnel ship or carry the passive samplers to BEACON's laboratory. BEACON PASSIVE SAMPLER DEPLOYMENT IN SOILS :Back-Filled • Soil SOILS Hydrophobic; ; ; Adsotiberit Cartndges Retrieval Wire Sampler Vial Sampling Cap SOILS: DEPLOYMENT THROUGH CONCRETE OR ASPHALT ' Goncrete Patch- COMCRETECr !; y^SPi^ALT : 7 SOILS Hydrophobic Adsorbent Cartridges Aldminum; F9il; pap;?t:i=iug;;;; Rfetri^Val Wire; • ' "Asf^ViALT-"! %•'Copper Pipe Sampler Vial Sampling Cap SOILS i Attachment 2 Field Deployment Report PASSIVE SOIL-GAS SURVEY FIELD DEPLOYMENT REPORT Project Information Beacon Project No.: EM1834 Site Name; Site Location: ATK Thiokol Propulsion Corinne, UT Client Information Company Name: Office Location: Samples Collected By: Ailiant Techsystems, Inc. Corinne, UT 323 WUUams Stretl, Suite D. Btl Air, MD 21014,800-878-5510 'Jttfli^ Ho^i-^OM. = ^ : = FIELD SAMPLE ID n^ 0 1 ?r3 02. p-3 Ob n3 o4 f^r^ OS Wd CG ^PT3 07 PT3 08 pr3 0^ ?1.3 ID Pr3 ll fr3 [Z. Pr3t3 pr3 ^ fr3 15 Date Emplaced /^ OCTTcC^ Time Emplaced [z>'. 'H> iO:i2. I0''2>^ 10'^2>'D ib-31 \p'^h (o:^\ io-A^ ID: 4s: i^:in /o^4^ {£>-A^ i^>^ ^,DW( l6 i^Z. Date Retrieved 2 ^'c^ \J ^oc^ Time Retrieved O^.ov 6^:o\ O^^Cl 0^-03 f^c^:oS C^.' '^1 r)<^Fio o^'r.^^ oqnz C'1-23 oHy^'i o^(yi5 C'^-'?^^ ^9--^7 OfA • .. . . — ^ • • . - ,.. ^ ^- • _^ ; ;: ; FIELD NOTES (e.g., asphalt/concrete covering, description of sample location, sampling hole depth, cartridge/vial condition) Page ) of _JL PASSIVE SOIL-GAS SURVEY FIELD DEPLOYMENT REPORT • •; • r ! • •• —-•: FIELD SAMPLE ID Fr.^ l^ h-3/7 ?T3 12 [|?r3 n Pr3 2JC? IPH ^l ||pT3 ^^ ns 23 1PT3 2^ Pr3 25 Pr3 E^ pr3 27 pt:? z^ fT-^ 2^ Pr3 30 pr3 31 PT3 32 PT.? 35 Date Emplaced i°l ocC 200^5 Time Emplaced (o--^3 lo'M lO'^l, fb'.^j \0:9^ I M:n(^ (T- 9% ]l--0^ /i: IZ- I(b'- (4 [t>t(5 i^:\^ /^l*^ /(^;'%o /^: 11 ;cl > ^e, (•:3Z. /* lENVIRONMENTAL r lUiViMMlliMI Date Retrieved •Z^fJlp/ Z00J5 Time Retrieved 0^.'2^ ^^^'3c' <5'?--3/ ^^'5- 0^:3^ O^Ol ^^w^ O'f-io C^'il oHli^ 69' i^ Z?^'/4 D^:/S" O^'-llo of ^11 0^'^h C^^37 cyi-3% FIELD NOTES {e.g., asphalt/concrete covering, description of sample location, cartridge/vial condition) . Page 2 of -? liVlttnu.Sirtrub'uwn Rri,\*.MUliaU.I004TlUSJlo FIELD SAMPLE ID Date Emplaced f^ QC-r 2>06S PASSIVE SOIL-GAS SURVEY FIELD DEPLOYMENT REPORT Date Retrieved 2 fJoV2.DC^ FIELD NOTES {e.g., asphalt/concrete covering, description ofsample location, cartridge/vial condition) -iVMltiinuiimruSiolrD.lW Ur. Ml> 11114. (OOJJtiil Page :^ Q{^-3_ Attachment 3 LABORATORY PROCEDURES FOR PASSIVE SOIL-GAS SAMPLES Following are laboratory procedures used with BEACON Passive Soil-Gas Surveys, a screening technology for expedited sile investigation. After exposure, adsorbent cartridges from the passive samplers are analyzed using U.S. EPA Method 8260B as described in the Solid Waste Manual (SW-846), a capillary gas chromatographic/mass spectrometric method, modified to accommodate high temperature thermal desoiplion ofthe adsorbent cattridges. This procedure is summarized as follows: A. The adsorbent cartridges are loaded with internal standards and surrogates prior to loading the autosampler with the cartridges. The loaded cartridges are purged in a helium flow. Then the cartridges are thermally desorbed in a helium flow onto a focusing trap. Any analytes in the helium stream are adsorbed onto a focusing trap. B. Following trap focusing, the trap is thermally desorbed onto a DB-VRX 60m, 0.25 mm ID, 1.40 micron filament thickness capillary column. C. The GC/MS is scanned between 35 and 270 Atomic Mass Units (AMU) at 3.12 scans per second. D. BFB tuning criteria and the iniliai five-point calibration procedures are those stated in method SW846-8260B. System performance and calibration check criteria are met prior to analysis of samples. A laboratory method blank is analyzed after the daily standard to determine that the system is contaminant-free. E. The instrumentation used for these analyses includes: Agilent 6890-5973 Gas Chromatograph/Mass Spectrometer; • Markes Unity thermal desorber; • Markes UltrA autosampler; and Markes Mass Flow Controller Module. Attachment 4 Chain-of-Custody Form CHAIN-OF-CUSTODY PASSIVE SOIL-GAS SAMPLES Project Information Beacon Project No.: Site Name: Site Location; Analytical Method; EM 1834 ATK Thiokol Propulsion Corinne, UT EPA Method 8260B 3Z3 Williams Slrett.Suite D. Btl Air. MD ZiOU. 800-878-551(1 Client Information Company Name: Office Location; Samples Submitted By; Contact Phone No.: Ailiant Techsystems, Inc. Corinne, UT a^455-e63-^eq^ Target Compounds: Beacon Projecl Number EM 1834 Target Compound List Field Sampie ID Trip-1 Trip-2 pr5 o\ FT2> c-2. rr^ 03 PTd o4 n^ 0^ fX3 06 fT3 07 pr3 OP rr3 ^7 pr3 io fr3 u PT3 \Z. fT3 J3 fT3 |4 Pr3 IS PT3 \L PT3 \1 m IF. Lab Sample ID (for lab use only) ^<s^^ Tr-f-i \%V\ Tr,p-1 \%V\ ?T3 O\ I'X'bi ?T3 OZ- ytv\ pT^ 03 1<?^H PT5 OM K^M ?T3 O? l<g'bM PT5 ^fe i'g^H ?T3 OT |<?^H ?T3 Of l«3H ?T5 Ol I'g^H ?T3 lo l«^M FT? U \^^4 PT-J 11 l<2^M ?T3 13 K3M PT3 IH l^^H PTS 15 W5H ?T3 16 l^^i ?73 IT \%-^H TT3 155 Comments (only necessary if problem or discrepancy) Condition of sample or vial Date Time Initial Shipment of Field Kit to Site — Custody Seal # 00424468 Intact? Y N Relinqiiistifed-pyr ""^JM^ TSy^'/¥^ Daie/Tiine ii^CouiriiE* Receivedi^byr ; Daitie/Time '^-^o-Zcoy /iToo Fe-ptK Shipment of Field Kit to Laboratory — Custody Seal # ^0^424 ^ gO elinqiiishcd by Diate^ime ••'•'•^•;E^^<i;0iUFief-Riecieivediby- /f\rrL^ Qf^r^-'ye^^ Date/Tinie T /j-Z' z<^5 /(0130 'Ft.D fie ^ l-^-Lou^" / 0<\oo Page_i of 3 CHAIN-OF-CUSTODY PASSIVE SOIL-GAS SAMPLES Project Infonnation Beacon Project No.; Site Name; Site Location: Analytical Method: Target Compounds; EM 1834 ATK Thiokol Propulsion Corinne, UT EPA Method 8260B ASEMOM k \ENVIRONMENTAL ^n SERVICES. INC. 323 Williams Strrrt. Suite D. Bel Air. MD 21014,800-878-5510 Client Information Company Name: Office Location; Samples Submitted By; Contact Phone No.; Ailiant Techsystems, Inc. Corinne, UT Jr^f^tJ H0LI.AOAV 43^ ii(.3-i.^4^ Beacon Project Number EM 1834 Target Compound List Field Sample ID fT3 i^ PT3 ^ f>T3 F\ PT3 22. pn 2? ?T^ '2.4 ?\3 2$ 91 ?> -2^ n^ Z7 ?r^ -2-8 m I-"] PT.3 '^0 pt3 3i m 3z fT3 1^ pn M rri 35 ?n 3h m 37 m 3^ Lab Sample ID (for lab use only) I'S^M ?T3 H U^i pn Zo i'i^H ?T3 11 IS^H ?T3 ZI U^H ?TS IS I'S^H ?T3 Z4 l^'bi PT5 1? \«^4 ?T3 Z6 I'gSM ?T3 ZT- I'X^H PT3 2« 1"51H ?T3 ?S i^l>H ?TS 1,(7 U^M T>T3 "S\ |«3H PT3 32- tS3H ?T3 3? l^^M 7T3 3H l*?^H PT3 ^5 1«3H ?J3 % I^^H P-^B n l<K^'-( ?T3 ^'i Comments (only necessary if problem or discrepancy) Condition of sample or vial Date Time Initial Shipment of Field Kit to Site — Custody Seal # 00424468 Intact? Y N jjvTJy-RislimjnishejiCb^; WsMimiaei •j:t:.ferC6iiriieF-jRj^eiyeid'iby:; vi^ CFiM.t^^- Date/Time ')-Zo'ljoo'i / l?co Fgb£< ^ H Shipment of Field Kit to Laboratory — Custodv Seal # QO A-^-^A^O Intact? (TJN iiMateMmfe-~[W-.Cburier ....,..._. .;^Reiceiyed-ihy:;.. t)atfegFiime^ //-2-ZQ[>S -z-o Y^h ^ il-3-Z.ty^ / D'lOO Page. of CHAIN-OF-CUSTODY PASSIVE SOIL-GAS SAMPLES Project Information Beacon Project No.: Site Name: Site Locadon; Analydcal Method; EM 1834 ATK Thiokol Propulsion Corinne, UT EPA Method 8260B 323 WUIiams Street. Suite D. Bel Air. MD 21014.800-878-5510 Client Information Company Name; Office Location; Samples SubmiUed By; Contact Phone No.; Ailiant Techsystems, Inc. Corinne, UT JcHh) H0i-tF\DA i3> m-m^ LADAy Target Compounds; Beacon Projecl Number EM 1834 Target Compound List Field Sample ID PT3 3<J Pr3 Ao fr3 Al PT3 42, PT3 io Fr? 44 pT3 -^5 PT3 4L, pr3 4/ PT? 48 PT3 Ap pt3 c/:- fRi Lab Sample ID (for lab use only) \%l'\ ?T3 ^<^ HIH ?T3 Mo U3H PT3 HI K3M ?T3 HZ I'S^H ?T3 M3 I'g^H PT3 HH \'i3H P"3 H5 HIH pT3 Mfc l^g^H PT3 4-^ 1<?3H PT3 H« U34 pT3 H'i IS3H 7T? SO l<g^M F^ 1 Comments (only necessary if problem or discrepancy) Condition of sample or vial Date Time Initial Shipment of Field Kit to Site — Custody Seal # 00424468 Intact? Y N :ljfelihquisliedjby: ;iB^alifTiitne'A:;' '•F(!MiPiM':,^ .Rfeeiyediiby: '>h{jF^ .?-;Dat(e/TiiinCfr:'-: TcC-gVrl^ Sp/z-^g<--'\-lO-lDC5 / llVO Fcoty F IhU v^y^ Ci- Shipment of Field Kit to Laboratory — Custody Seal # O 0 4 ^4 4g D tact? (Y) N efiinqmsBeiillby:^ S Date/Time Coiirier ^Riejfeeiy^d by::- SFoFx— Date/Time .OjttrU.U^ -ZZ tl'7.-PT /g-'^ ^P ^ rJtf^jyX^ -l-ZoOf / Ofov ^ Page .y of F SWMU 149 OLD NORTH SUMP LOCATION AT M-212 Source Characterization Unit/Disposal Area Characteristics This solid waste management unit is the former location of a concrete sump located at Building M-212 at Thiokol's High Performance Propellant Development Area. This unit was previously designated as the north sump but from facility drawings it is more accurately describe as the west sump. The sump was installed in August 1964 and remained in service until November 1988 at which time it was removed. The building is used for storage of aluminum and polymer. Physical Setting The High Performance Propellant Development Area is comprised of soils consisting of a clayey, silt unit Interbedded with minor sand and fine gravel. The thickness of the silt unit is greater than 20 feet. The gravels are derived from limestone strata of the Pennsylvanian Oquirrh Formation. The gravels consist of medium to dark gray angular to subangular clasts of limestone and dolomitic limestone. The silt is calcareous with some clay, sand, and gravel. Clays of the upper interval tend to swell. The depth to ground water in the vicinity is estimated to be 300 feet. The ground water, based upon the available data, appears to be restricted to movement along faults and fractures. This is evidenced by Plant Well No. 3, which was drilled 325 feet into unfractured material and was abandoned, as it produced only a small volume of water. Subsequently, Plant Well No. 3A was drilled as a replacement to Plant Well No. 3, and was drilled on a fault having a N85 W trend. This well can produce 190 gpm with five feet of drawdown. The movement and location of ground water beneath the area known as the High Performance Propellant Development Area has not been well defined. Two wells, TCC3 and TCC3A, were drilled in this area in 1956 and 1962. Detailed discussion on these two wells can be found in RCRA Compliatice Plan prepared for Thiokol by Underground Resource Management, Inc., in August 1985. Well TCC3 was drilled 350 feet below ground surface and encountered ground water at approximately 300 and 320 feet; static water levels measured in 1962 showed the water at an elevation of 4260 feet. This well was later abandoned and has not been used. Well TCC3A is currently being used to supply process water to buildings in the High Performance Propellant Development Area. When drilled, this well encountered water at a tjepth of 317 feet and at 395 feet. The surface elevation of the ground water in 1962 was 285 feet. Two more wells have been drilled near the M-225 buming grounds. One of these wells was drilled to a depth of 200 feet, but could not be completed because the fractures in the limestone formations prohibited further drilling. A second well was completed and ground water encountered at 618 feet. Ground water appears to flow south and southeast toward the Great Salt Lake Waste Characteristics The building discharge consisted of wastewater from housekeeping activities within the building and for collecting materials in the event of a spill. Thiokol Propulsion RCRA Facility Investigation oc QC U-2i2 L1156-8 11156-9 \ \ 11156-10 11156-11 L1156-12 L1156-13 L1156-14 u^ 20'-0" L1156-15 L1156~16 L1156-17 SWMU fl50 8'-0 'W2^]d^@^^h©{B CORPORATION ENVIRDNMENTAL ENGINEERING OLD NORTH cSt SOUTH SUMP LOCATIONS SWMU NO. 149 k 150 BLDG. M-212 rED ND. SCALE NOTED DRAWINCi NU. M212-], REV. #e Figure 149-2 The constituents of concern for this site were identified as volatile organics, metals, and explosive constituents.- Soil Characterization The High Performance Propellant Development Area is comprised of soils consisting of a clayey, silt unit interbedded with minor sand and fine gravel. The thickness of the silt unit is greater than 20 feet. The gravels are derived from limestone strata of the Pennsylvanian Oquirrh Formation. The gravels consist of medium to dark gray angular to subangular clasts of limestone and dolomitic limestone. The silt is calcareous with some clay, sand, and gravel. Clays of the upper interval tend to swell. The vertical permeability values for the soils at Thiokol range from 4.2 x 10'^ to 1.4 x 10'^ centimeters per second (cm/sec) (Chadwick, et a!., 1975^. These values indicate that surface water will infiltrate slowly to moderately! Hupp and Thiokol soil types have slight to moderate use limitations, while all other soil types have moderate to severe use limitations. The Soil Conservation Service has noted slow permeability, land slopes, and shallow bedrock as reasons for the use limitations. investigation Activity During the RFI conducted at this site, two soil borings were drilled in the area identified from facility maps as the location of the west sump. The borings were advanced to a total depth of 10 feet with samples collected from 5- and 10-foot depths. Collection of the samples was according to the following procedure: 1. Using a clean auger, the hole was advanced to the prescribed depth. A clean, stainless steel, split-spoon sampler was driven approximately 18 inches into the undisturbed soil. The split-spoon sampler was retrieved from the hole and carefully opened. 2. The core was measured to find the required sample depth. Using a stainless steel spatula or spoon, a portion of the soil was placed into 8 oz, precleaned, sample jars with a teflon coated seal. The jars were sealed and stored in a cooler at approximately four degrees Centigrade. 3. The sample location, depth, soil lithology, duplicate label, and other observed information were recorded in the log book Decontamination of equipment used in sample collection was according to the following procedure; 1. All equipment entering the boring was either steam cleaned with Alconox soap or scrubbed with a brush in a wash basin or bucket containing Alconox soap and water. Washing was followed by a tap water rinse and a final rinse with deionized water. All wash and rinse water was collected for appropriate disposal at either Thiokol's chemical wastewater treatment facility or biological wastewater treatment facility. Analyses of the soil samples were performed by Thiokol's environmental laboratory using EPA approved methods. Thioko! Propulsion RCRA Facility Investigation Contamination Characterization Table 149-1 is a summary of the constituents detected in at least one sample during the investigation for this site. This table also shows the range of concentrations for each of those constituents. (Note; If the laboratory reported the constituent undetected, the minimum concentration shown is one-half the reported detection limit.) TABLE 149-1 CONSTITUENT CONCENTRATION RANGE CONSTITUENT BERYLLIUM CADMIUM CHROMIUM LEAD MERCURY NITRATE-N TRICHLOROETHENE MINIMUM CONCENTRATION 0.30 0.05 8.50 0.55 0.00 0.05 0.15 MAXIMUM CONCENTRATION 0.70 0.50 16.00 2.70 0.02 0.90 20.00 UNITS mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg ug/kg Table 149-2 is a summary of the corresponding background concentrations for constituents detected during the RFI. (Note: For inorganic constituents, if the laboratory reported the constituent undetected, the minimum concentration shown is one-half the reported detection limit.) TABLE 149-2 BACKGROUND CONCENTRATIONS CONSTITUENT BERYLLIUM CADMIUM CHROMIUM LEAD MERCURY NITRATE-N MINIMUM CONCENTRATION 0.05 0.05 12.00 0.55 0.01 <0.10 MAXIMUM CONCENTRATION 2.20 1.39 38.60 32.50 0.04 3.60 UNITS mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg Table 149-3 is a tabular comparison of the maximum concentration levels for the constituents of concern to the respective background, Preliminary Remediation Goals, and the Proposed Subpart S Action Levels. Thiokol Propulsion RCRA Facility Investigation TABLE 149-3 COMPARISON TO BACKGROUND AND RISK- BASED CONCENTRATIONS CONSTITUENT Mercury and compounds Beryllium and compounds Cadmium and compounds Lead Nitrate Total Chromium (1/6 ratio CrVI/Cr III) Trichloroethylene (TCE) MAXIMUM REPORTED RFI CONCENTRATIONS (mg/Kg) AREA OF CONCERN 0.02 0.70 0.50 2.70 0.90 16.00 0.02 BACKGROUND 0.04 2.20 1.39 32.50 3.60 38.60 <0.01 PRELIMINARY REMEDIATION GOALS (mg/Kg) RESIDENTIAL 22.49 150.00 37.46 400.00 210.68 2.71 INDUSTRIAL 561.95 3400.00 934.30 1000.00 448.32 6.05 PROPOSED SUBPART S LEVELS RCRA (soil) ppmw 20.00 0.20 40.00 400.00 60.00 The laboratory also reported results for 1.1-dichloroethene, benzene, and 1,1,1-trichloroethane in low ppb concentrations (<10 ug/kg) in at least one sample collected from this site, but the results were all qualified as being estimated values as they were less than the reporting limit. The results were further qualified as also being found in the laboratory blank, Because of these data qualifiers and the very low concentrations, the results were not considered as positive results and these organics were eliminated from further consideration. Figures 149-3a-c are visual representations of the constituent concentrations at this site compared to background. Also shown are statistical representations of the analytical data collected for this site during the RFI. The box and whisker plot illustrate the comparison in the median values (small box) for the respective constituents to the median background value. The larger box represents the range from the mean minus 25% to the mean plus 25% of the data, with the whiskers projecting OLrt to the maximum and minimum values. The metals beryllium, cadmium, chromium, lead, and mercury were generally detected in all samples. Nitrate was the only explosive constituent detected in any of the samples for this site. Comparison to Baclcground Concentrations Upon inspection of Figures 149-3a-c and Table 149-3, it can be seen that concentrations for all inorganic constituents are within the respective ranges found in background soil at Thiokol. Thiokol Propulsion RCRA Facility Investigation BERYLLIUM CONCENTRATIONS BERYLLIUM CONCENTRATIONS SWMU 149 a-. ll , Q 1.0 f A0C-5FT BG-SUK BG-5.— BG-1£rT BG-eFT AOC-10FT BG-2.— BG-IOFT BG-20FT AGO = AREA OF CONCER.S BG - BACKGROUND z o o a i p in ! O t o D. i 7-LU tr. LLJ fr E 0.2 '• 1 2 = BACKGi^OUND 2 = AREA OF CONCERN Min-Max ! iZI: 25%-75% c Median value B ^ 0.6 L CADvrjw cor;c=rwRA.T!ONS o> E i '". o o 1:1 CADMIUM CONCENTRATIONS SWMU 149 t— 3 0.6 O.-l 'i \ 0.2 h 0.0 OOCC e c o AOC-SFT BG-SUR Bo-5FT BG-ISFT BG.6rT AOC-10FT EG-2FT BG-10FT BG-20Fr AGC = AREA OF CONCERN EG =^ BACKGROUND _-L. Min-Max CZ 25%-75»b Q Median value 1 = BACKGROUND 2 = AREA OF CONCERN CHROMIUM CONCF.NTRA.TIONE CHROMIUM CONCENTR.ATIGNS SWMU 14S E 25 AOC-SFT BG-SUR BG-SFT BG-15FT BG*FT AOC-10FT BG-2FT BG-10FT BG-20FT AOC = AREA OF CONCERN BG = BACKGROUND CT E i I E o < t/J 1— nr n :-» •^ o n UJ r/i crt 15 1 2 1 = BACKGROUND 2 = AREA OF CONCERN ni Min^Mox LZ] 25%-75% Q Median value LEAD CONCENTRATIONS AOC-SFT BG-SUR BG-SFT BG-15FT BG.6FT A0C-10FT BG-2FT BG-IOFT fiG.2DFT AOC = AREA OF CONCERN BG = BACKGROUND LEAD CONCENTRATIONS SWMU 149 30 25 20 . o o < CD iC Q: _j < 2 ^ 3 « a: ( 15 • 10 1 1 i i fi i 1 2 1 = BACKGROUND 2 = AREA OF CONCERN _L_ Min-Max CI2 25%-7S'!t c Median value MERCURY CONCENTRATIONS MERCURY CONCENTRATIONS SWMU 149 E r^ .•^ Q C.04Pf i ^ 0.020 r if! I 0.015 . o o o 8 o § -c c i£ < o w i 2: c: UJ Kg UJ AOC-SFT BG-SUR BG-5FT EG-ISFT BG-6FT AOC-10FT BG-2FT BG-IOFT BG-20FT AOC = AREA OF CONCERN BG = BACKGROUND g 0.025 I = 0.020 0.005 • I 0.010 j ° I i I ° _:_ Min-Max : '• 25%-75% o Medtan value = BACKGROUND 2 = AREA OF CONCERN NITRATE CONCENTRATIONS NITRATE CONCENTRATIONS SWMU 149 3.0 ^ I ^° E. =i 1.5 I roi- 2.5; = 1.5 O.o! AOC-SFT BG-SUR BG-SFT BG-15FT AOC-IOFT BG-2FT BG-IOFT BG-20FT AOC - AREA OF CONCERN 3G = BACKGROUND 1 2 1 = BACKGROUND 2 = AREA Or CONCERN ' Min-Max cz: 25%-75% D Median value While it is generally inappropriate to compare concentrations of volatile organics to background as most volatile organics do not occur naturally, it can be seen that trichloroethylene is the only volatile organic that was detected at this site above the reporting level. Comparison to Risk-Based Levels The maximum value of trichloroethene (20 ug/kg) detected during the RFI for this site does not exceed either the EPA Preliminary Remediation Goal (PRG)or the Proposed Subpart S action level. All metal concentrations were below the respective PRG and Subpart S action levels. Conclusions The RFI conducted at this site did indicate the presence of TCE in the deeper soil samples. However, the maximum value of TCE at this site does not exceed either the EPA Preliminary Remediation Goal or the Proposed Subpart S action level for solid waste management units. Although there is evidence of TCE at this site, it can be concluded that due to the low concentrations, the remote location, and the controlled environment for the facility that this site does not pose a risk to human health or the environment. Recommendations for Additional Work Based on the findings of the RFI conducted at this site, Thiokol believes there is no further action needed for this site. Thiokol Propulsion RCRA Facility Investigation