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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" I <br /> http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: Trans Tech Consultants WorkOrder: 2510770 <br /> Date Prepared: 10/09/2025 BatchID: 327516 <br /> Date Analyzed: 10/09/2025 Extraction Method: SW3550 B <br /> Instrument: GC6A Analytical Method: SW8015 B <br /> Matrix: Soil Unit: mg/Kg <br /> Project: 3439.01;LLNL B882-Disp Sample ID: MB/LCS/LCSD-327516 <br /> QC Report for SW8015B w/out SG Clean-Up <br /> Analyte MB MDL RL SPK MB IS/SS MB IS/SS <br /> Result Val %REC Limits <br /> TPH-Diesel(C10-C23) ND 1.5 2.0 <br /> TPH-Motor Oil(C18-C36) ND 4.7 10 - - - <br /> Surrogate Recovery <br /> C9 29 25 114 76-153 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> TPH-Diesel(C10-C23) 46 43 40 115 108 70-130 6.39 20 <br /> Surrogate Recovery <br /> C9 28 28 25 111 113 76-153 2.26 20 <br /> CA ELAP 1644.ORELAP(NELAP)4033 <br /> Page 11 of 17 <br />