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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.mccampbeR.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: AdvancedGeo,Inc. WorkOrder: 2309886 <br /> Date Prepared: 09/14/2023 BatchID: 278039 <br /> Date Analyzed: 09/19/2023 -09/21/2023 Extraction Method: SW3550B <br /> Instrument: GC6A,GC9a Analytical Method: SW8015B <br /> Matrix: Soil Unit: mg/Kg <br /> Project: San Joaquin County Corp Yard Sample ID: MB/LCS/LCSD-278039 <br /> QC Report for SW8015B w/out SG Clean-Up <br /> Analyte MB MDL RL SPK MB SS MB SS <br /> Result Val %REC Limits <br /> TPH-Diesel(C10-C23) ND 1.2 2.0 <br /> TPH-Motor Oil(C18-C36) ND 5.0 10 - - - <br /> Surrogate Recovery <br /> C9 19 25 77 70-130 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> TPH-Diesel(C10-C23) 36 41 40 90 104 70-130 13.5 20 <br /> Surrogate Recovery <br /> C9 19 19 25 74 77 70-130 3.32 20 <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 24 of 28 <br />