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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: 301630 <br /> Date Analyzed: 09/11/2024-09/12/2024 Extraction Method: SW3550B <br /> Instrument: GC IA,GC6A Analytical Method: SW8015B <br /> Matrix: Soil Unit: mg/Kg <br /> Project: 5113;MARATHON STOCKTON-OILY DEBRIS Sample ID: MB/LCS/LCSD-301630 <br /> QC Summary Report For SW8015B <br /> Analyte MB MDL RL SPK MB SS MB SS <br /> Result Val %REC Limits <br /> TPH-Diesel(C10-C23) ND 1.1 2.0 <br /> TPH-Motor Oil(C18-C36) ND 4.3 10 - - - <br /> Surrogate Recovery <br /> C9 27 25 109 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 36 40 89 90 70-130 0.716 20 <br /> Surrogate Recovery <br /> C9 30 28 25 120 114 70-130 4.83 20 <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 34 of 38 <br />