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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> _ M c C a m p b e I I Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> I "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: Patriot Environmental Services,Inc. WorkOrder: 2411396 <br /> Date Prepared: 11/07/2024 BatchID: 305511 <br /> Date Analyzed: 11/11/2024 Extraction Method: SW5030B <br /> Instrument: GC49 Analytical Method: SW8260D <br /> Matrix: Soil Unit: mg/kg <br /> Project: 6515;Marathon Stockton Bin Sample ID: MB/LCS/LCSD-305511 <br /> QC Summary Report for SW8260D <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> cis-1,3-Dichloropropene 0.019 0.019 0.020 94 94 60-140 0.0598 30 <br /> trans-1,3-Dichloropropene 0.019 0.019 0.020 95 95 60-140 0.0807 30 <br /> Diisopropyl ether(DIPE) 0.014 0.015 0.020 71 74 60-140 4.11 30 <br /> Ethylbenzene 0.019 0.019 0.020 94 94 60-140 0.152 30 <br /> Ethyl tert-butyl ether(ETBE) 0.015 0.016 0.020 76 78 60-140 3.27 30 <br /> Freon113 0.014 0.015 0.020 71 74 50-140 4.57 30 <br /> Hexachlorobutadiene 0.013 0.013 0.020 64 66 60-140 1.74 30 <br /> Hexachloroethane 0.019 0.019 0.020 97 96 60-140 1.53 30 <br /> 2-Hexanone 0.017 0.018 0.020 86 90 40-140 5.16 30 <br /> Isopropylbenzene 0.023 0.022 0.020 115 ill 60-140 2.92 30 <br /> 4-Isopropyl toluene 0.023 0.023 0.020 117 114 60-150 2.59 30 <br /> Methyl-t-butyl ether(MTBE) 0.015 0.016 0.020 77 80 50-140 4.29 30 <br /> Methylene chloride 0.023 0.023 0.020 114 116 60-140 2.01 30 <br /> 4-Methyl-2-pentanone(MIBK) 0.016 0.015 0.020 78 76 50-140 2.76 30 <br /> Naphthalene 0.014 0.0099 0.020 68 49 30-140 31.5,F2 30 <br /> n-Propyl benzene 0.024 0.023 0.020 120 115 60-140 3.85 30 <br /> Styrene 0.018 0.018 0.020 90 90 60-140 0.0793 30 <br /> 1,1,1,2-Tetrachloroethane 0.018 0.017 0.020 89 86 60-140 3.10 30 <br /> 1,1,2,2-Tetrachloroethane 0.018 0.017 0.020 91 87 40-140 4.52 30 <br /> Tetrachloroethene 0.019 0.019 0.020 95 96 60-140 0.537 30 <br /> Toluene 0.019 0.019 0.020 94 95 60-140 0.132 30 <br /> 1,2,3-Trichlorobenzene 0.014 0.012 0.020 69 58 40-140 17.7 30 <br /> 1,2,4-Trichlorobenzene 0.014 0.013 0.020 69 66 50-140 3.39 30 <br /> 1,1,1-Trichloroethane 0.017 0.018 0.020 85 89 60-140 4.00 30 <br /> 1,1,2-Trichloroethane 0.017 0.017 0.020 84 83 60-140 1.58 30 <br /> Trichloroethene 0.018 0.019 0.020 89 93 60-140 3.92 30 <br /> Trichlorofluoromethane 0.015 0.016 0.020 76 80 50-140 5.34 30 <br /> 1,2,3-Trichloropropane 0.010 0.0099 0.010 102 99 60-130 3.57 30 <br /> 1,2,4-Trim ethyl benzene 0.022 0.021 0.020 110 107 30-140 2.68 30 <br /> 1,3,5-Trim ethyl benzene 0.023 0.022 0.020 115 112 60-140 2.53 30 <br /> Vinyl Chloride 0.0080 0.0083 0.010 80 83 30-140 2.98 30 <br /> m,p-Xylene 0.038 0.038 0.040 94 94 60-140 0.561 30 <br /> o-Xylene 0.018 0.018 0.020 91 90 60-140 0.532 30 <br /> (Cont.) <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 16 of 27 <br />