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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: GHD Services,Inc. WorkOrder: 1910846 <br /> Date Prepared: 10/17/19 BatchID: 187314 <br /> Date Analyzed: 10/17/19 Extraction Method: SW5030B <br /> Instrument: GC38 Analytical Method: SW8260B <br /> Matrix: Soil Unit: mg/kg <br /> Project: 11202858-07.00;Chevron 372736-UDC Removal Sample ID: MB/LCS/LCSD-187314 <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 0.019 0.020 95 96 68-126 0.877 20 <br /> trans-1,3-Dichloropropene 0.020 0.020 0.020 98 99 69-117 0.671 20 <br /> Diisopropyl ether(DIPE) 0.018 0.017 0.020 92 86 57-110 6.86 20 <br /> Ethylbenzene 0.020 0.020 0.020 98 101 80-128 2.78 20 <br /> Ethyl tert-butyl ether(ETBE) 0.019 0.018 0.020 94 88 54-106 6.46 20 <br /> Freon 113 0.018 0.016 0.020 88 82 60-108 7.26 20 <br /> Hexachlorobutadiene 0.024 0.025 0.020 118 125 67-182 5.83 20 <br /> Hexachloroethane 0.020 0.021 0.020 102 105 85-156 3.26 20 <br /> 2-Hexanone 0.014 0.013 0.020 71 66 37-90 6.99 20 <br /> Isopropylbenzene 0.024 0.025 0.020 119 123 64-167 3.00 20 <br /> 4-Isopropyl toluene 0.024 0.024 0.020 118 122 88-167 3.02 20 <br /> Methyl-t-butyl ether(MTBE) 0.019 0.018 0.020 95 88 60-102 6.75 20 <br /> Methylene chloride 0.020 0.018 0.020 100 92 71-117 8.43 20 <br /> 4-Methyl-2-pentanone(MIBK) 0.015 0.015 0.020 77 77 48-90 0 20 <br /> Naphthalene 0.011 0.010 0.020 55 50 29-65 9.56 20 <br /> n-Propyl benzene 0.024 0.024 0.020 119 120 88-161 0.769 20 <br /> Styrene 0.017 0.017 0.020 84 85 70-108 1.49 20 <br /> 1,1,1,2-Tetrachloroethane 0.018 0.019 0.020 92 94 69-117 1.84 20 <br /> 1,1,2,2-Tetrachloroethane 0.018 0.018 0.020 90 91 53-96 0.488 20 <br /> Tetrachloroethene 0.021 0.022 0.020 107 109 78-128 1.66 20 <br /> Toluene 0.019 0.020 0.020 96 99 78-121 2.87 20 <br /> 1,2,3-Trichlorobenzene 0.013 0.013 0.020 63 63 35-80 0 20 <br /> 1,2,4-Trichlorobenzene 0.015 0.015 0.020 75 77 46-101 2.91 20 <br /> 1,1,1-Trichloroethane 0.020 0.018 0.020 98 92 69-121 6.61 20 <br /> 1,1,2-Trichloroethane 0.019 0.019 0.020 96 96 64-104 0 20 <br /> Trichloroethene 0.020 0.019 0.020 101 95 73-118 6.05 20 <br /> Trichlorofluoromethane 0.018 0.017 0.020 90 85 31-119 6.47 20 <br /> 1,2,3-Trichloropropane 0.010 0.010 0.010 100 100 65-107 0 20 <br /> 1,2,4-Tri methyl benzene 0.021 0.022 0.020 107 109 80-147 2.43 20 <br /> 1,3,5-Tri methyl benzene 0.022 0.023 0.020 112 114 83-156 1.61 20 <br /> Vinyl Chloride 0.0079 0.0075 0.010 79 75 40-125 5.83 20 <br /> m,p-Xylene 0.041 0.042 0.040 103 105 80-122 2.39 20 <br /> o-Xylene 0.019 0.019 0.020 93 94 79-116 0.932 20 <br /> (Cont.) <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 21 of 29 <br />