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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 Service WorkOrder: 2409559 <br /> Date Prepared: 09/11/2024 BatchID: 301631 <br /> Date Analyzed: 09/11/2024-09/12/2024 Extraction Method: SW5030B <br /> Instrument: GC38,GC49 Analytical Method: SW8260D <br /> Matrix: Soil Unit: mg/kg <br /> Project: 5113;MARATHON STOCKTON-OILY DEBRIS Sample ID: MB/LCS/LCSD-301631 <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 /> Acetone 0.26 0.28 0.20 132 139 60-140 5.17 30 <br /> tert-Amyl methyl ether(TAME) 0.018 0.019 0.020 92 94 50-140 2.36 30 <br /> Benzene 0.020 0.020 0.020 98 101 60-140 2.87 30 <br /> Bromobenzene 0.022 0.023 0.020 112 113 60-140 0.851 30 <br /> Bromochloromethane 0.020 0.021 0.020 101 105 60-140 3.12 30 <br /> Bromodichloromethane 0.019 0.020 0.020 96 100 60-140 4.05 30 <br /> Bromoform 0.016 0.016 0.020 79 81 40-140 2.48 30 <br /> Bromomethane 0.027 0.026 0.020 134 132 30-140 1.58 30 <br /> 2-Butanone(MEK) 0.062 0.066 0.080 77 83 50-140 7.33 30 <br /> t-Butyl alcohol(TBA) 0.086 0.092 0.080 107 115 50-140 7.37 30 <br /> n-Butyl benzene 0.029 0.029 0.020 143 146 60-150 2.50 30 <br /> sec-Butyl benzene 0.028 0.030 0.020 141 148 60-150 5.03 30 <br /> tert-Butyl benzene 0.026 0.027 0.020 131 136 60-140 3.25 30 <br /> Carbon Disulfide 0.023 0.024 0.020 115 118 50-140 3.18 30 <br /> Carbon Tetrachloride 0.020 0.020 0.020 98 102 60-140 4.24 30 <br /> Chlorobenzene 0.022 0.023 0.020 111 113 60-140 2.21 30 <br /> Chloroethane 0.022 0.022 0.020 112 112 50-140 0.499 30 <br /> Chloroform 0.021 0.022 0.020 104 108 60-140 3.19 30 <br /> Chloromethane 0.021 0.022 0.020 107 109 20-140 1.07 30 <br /> 2-Chlorotoluene 0.026 0.026 0.020 127 130 60-140 1.95 30 <br /> 4-Chlorotoluene 0.025 0.026 0.020 124 130 60-140 4.60 30 <br /> Dibromochlorom ethane 0.020 0.021 0.020 100 104 50-140 3.20 30 <br /> 1,2-Dibromo-3-chloropropane 0.011 0.010 0.010 113 102 30-140 10.2 30 <br /> 1,2-Dibromoethane(EDB) 0.012 0.012 0.010 118 119 40-140 0.929 30 <br /> Dibromomethane 0.021 0.022 0.020 107 110 60-140 3.01 30 <br /> 1,2-Dichlorobenzene 0.020 0.020 0.020 101 99 60-140 1.53 30 <br /> 1,3-Dichlorobenzene 0.023 0.024 0.020 115 119 60-140 3.38 30 <br /> 1,4-Dichlorobenzene 0.022 0.022 0.020 109 112 60-140 1.92 30 <br /> Dichlorodifluoromethane 0.013 0.012 0.020 64 62 10-140 2.03 30 <br /> 1,1-Dichloroethane 0.022 0.022 0.020 109 112 60-140 3.13 30 <br /> 1,2-Dichloroethane(1,2-DCA) 0.021 0.022 0.020 105 108 60-140 3.46 30 <br /> 1,1-Dichloroethene 0.022 0.023 0.020 111 114 60-140 2.30 30 <br /> cis-1,2-Dichloroethene 0.022 0.023 0.020 111 114 60-140 2.70 30 <br /> trans-1,2-Dichloroethene 0.022 0.023 0.020 112 115 60-140 3.23 30 <br /> 1,2-Dichloropropane 0.021 0.022 0.020 107 111 60-140 3.50 30 <br /> 1,3-Dichloropropane 0.022 0.023 0.020 110 113 60-140 2.94 30 <br /> 2,2-Dichloropropane 0.024 0.024 0.020 119 122 60-140 2.01 30 <br /> 1,1-Dichloropropene 0.022 0.023 0.020 109 114 60-140 4.00 30 <br /> (Cont.) <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 20 of 38 <br />