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l 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytic al, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Countsrr http://www.mccanTbell.com/E-mail:main@mccmVbell.com <br /> Quality Control Report <br /> Client: GHD Services,Inc. WorkOrder: 1910581 <br /> Date Prepared: 10/11/19 BatchID: 186992 <br /> Date Analyzed: 10/15/19 Extraction Method: SW5030B <br /> Instrument: GC16 Analytical Method: SW8260B <br /> Matrix: Soil Unit: mg/kg <br /> Project: 11202858-07.11;Chevron 372736-UDC Removal Sample ID: MB/LCS/LCSD-186992 <br /> 1910581-003AMS/MSD <br /> QC Summary Report for SW8260B <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 0.018 0.020 94 92 68-126 2.14 20 <br /> trans-1,3-Dichloropropene 0.019 0.019 0.020 94 93 69-117 1.64 20 <br /> Diisopropyl ether(DIPE) 0.018 0.017 0.020 89 87 57-110 2.30 20 <br /> Ethylbenzene 0.018 0.018 0.020 89 88 80-128 0.407 20 <br /> Ethyl tert-butyl ether(ETBE) 0.017 0.017 0.020 87 85 54-106 2.49 20 <br /> Freon 113 0.016 0.015 0.020 81 76 60-108 6.11 20 <br /> Hexachlorobutadiene 0.020 0.020 0.020 100 101 67-182 0.627 20 <br /> Hexachloroethane 0.022 0.021 0.020 109 106 85-156 2.69 20 <br /> 2-Hexanone 0.013 0.013 0.020 66 66 37-90 0 20 <br /> Isopropyl benzene 0.024 0.024 0.020 120 119 64-167 0.618 20 <br /> 4-Isopropyl toluene 0.027 0.025 0.020 133 127 88-167 4.37 20 <br /> Methyl-t-butyl ether(MTBE) 0.017 0.017 0.020 87 85 60-102 2.82 20 <br /> Methylene chloride 0.016 0.015 0.020 82 77 71-117 6.23 20 <br /> 4-Methyl-2-pentanone(MIBK) 0.015 0.015 0.020 76 74 48-90 2.46 20 <br /> Naphthalene 0.011 0.010 0.020 54 52 29-65 4.35 20 <br /> n-Propyl benzene 0.025 0.024 0.020 123 121 88-161 2.31 20 <br /> Styrene 0.015 0.015 0.020 75 74 70-108 0.277 20 <br /> 1,1,1,2-Tetrachloroethane 0.015 0.015 0.020 76 77 69-117 0.438 20 <br /> 1,1,2,2-Tetrachloroethane 0.017 0.016 0.020 86 82 53-96 4.31 20 <br /> Tetrachloroethene 0.018 0.017 0.020 88 86 78-128 1.86 20 <br /> Toluene 0.019 0.019 0.020 97 94 78-121 2.91 20 <br /> 1,2,3-Trichlorobenzene 0.011 0.011 0.020 55 53 35-80 3.66 20 <br /> 1,2,4-Trichlorobenzene 0.014 0.014 0.020 68 68 46-101 0 20 <br /> 1,1,1-Trichloroethane 0.018 0.018 0.020 92 90 69-121 2.72 20 <br /> 1,1,2-Trichloroethane 0.016 0.016 0.020 80 78 64-104 1.90 20 <br /> Trichloroethene 0.016 0.015 0.020 79 77 73-118 2.58 20 <br /> Trichlorofluoromethane 0.018 0.017 0.020 88 84 31-119 4.35 20 <br /> 1,2,3-Trichloropropane 0.010 0.0095 0.010 100 95 65-107 5.95 20 <br /> 1,2,4-Trimethylbenzene 0.026 0.025 0.020 128 123 80-147 3.92 20 <br /> 1,3,5-Trimethylbenzene 0.026 0.025 0.020 129 126 83-156 2.64 20 <br /> Vinyl Chloride 0.0095 0.0090 0.010 95 90 40-125 5.38 20 <br /> m,p-Xylene 0.033 0.033 0.040 82 83 80-122 0.646 20 <br /> o-Xylene 0.016 0.016 0.020 82 81 79-116 0.605 20 <br /> (Cont.) <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 55 of 72 <br />