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l 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytic al, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> ,%at "When Quality Countsrr http://www.mccanTbell.com/E-mail:main@mccmVbell.com <br /> Quality Control Report <br /> Client: GHD Services,Inc. WorkOrder: 1910581 <br /> Date Prepared: 10/11/19 BatchID: 186993 <br /> Date Analyzed: 10/15/19- 10/16/19 Extraction Method: SW3550B <br /> Instrument: GC6B,GC9a Analytical Method: SW8015B <br /> Matrix: Soil Unit: mg/Kg <br /> Project: 11202858-07.11;Chevron 372736-UDC Removal Sample ID: MB/LCS/LCSD-186993 <br /> 1910581-002AMS/1\4SD <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 0.83 1.0 <br /> TPH-Motor Oil(C18-C36) ND 3.8 5.0 - - - <br /> Surrogate Recovery <br /> C9 23 25 91 72-122 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> TPH-Diesel(C10-C23) 44 42 40 109 106 75-128 3.17 30 <br /> Surrogate Recovery <br /> C9 22 22 25 87 87 72-122 0 30 <br /> Analyte MS MS MSD SPK SPKRef MS MSD MS/MSD RPD RPD <br /> DF Result Result Val Val %REC %REC Limits Limit <br /> TPH-Diesel(C10-C23) 1 46 48 40 ND 116 120 71-134 3.00 30 <br /> Surrogate Recovery <br /> C9 1 22 22 25 87 88 78-126 0.966 30 <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 66 of 72 <br />