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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: ICES WorkOrder: 241 OL94 <br /> Date Prepared: 10/29/2024 BatchID: 304956 <br /> Date Analyzed: 11/01/2024 Extraction Method: SW3550B <br /> Instrument: GC20 Analytical Method: SW8081B <br /> Matrix: Soil Unit: mg/kg <br /> Project: ICES 9315;Kautz Property Sample ID: MB/LCS/LCSD-304956 <br /> 2410L94-005AMS/MSD <br /> QC Summary Report for SW8081B <br /> Analyte MS MS MSD SPK SPKRef MS MSD MS/MSD RPD RPD <br /> DF Result Result Val Val %REC %REC Limits Limit <br /> p,p-DDT 1 0.050 0.052 0.050 ND 100 104 60-130 3.72 20 <br /> Dieldrin 1 0.061 0.063 0.050 ND 122 125 60-130 2.46 20 <br /> Endosulfan 1 1 0.056 0.059 0.050 ND 113 119 60-130 5.18 20 <br /> Endosulfan 11 1 0.048 0.051 0.050 ND 96 101 60-130 5.30 20 <br /> Endosulfan sulfate 1 0.049 0.051 0.050 ND 97 102 60-130 5.13 20 <br /> Endrin 1 0.088 0.093 0.050 ND 176,F1 186,F1 60-130 5.37 20 <br /> Endrin aldehyde 1 0.046 0.049 0.050 ND 93 98 60-130 5.20 20 <br /> Endrin ketone 1 0.044 0.046 0.050 ND 88 92 60-130 4.70 20 <br /> Heptachlor 1 0.054 0.057 0.050 ND 108 113 60-130 4.64 20 <br /> Heptachlor epoxide 1 0.053 0.055 0.050 ND 105 110 60-130 4.19 20 <br /> Hexachlorobenzene 1 0.045 0.047 0.050 ND 89 93 60-130 4.27 20 <br /> Hexachlorocyclopentadiene 1 0.038 0.038 0.050 ND 76 75 50-130 0.693 20 <br /> Methoxychlor 1 0.060 0.061 0.050 ND 119 122 60-130 2.01 20 <br /> Surrogate Recovery <br /> Decachlorobiphenyl 1 0.056 0.056 0.050 111 111 60-130 0.0130 20 <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 15 of 21 <br />