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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@mccampbell.com <br /> Quality Control Report <br /> Client: Fremouw Environmental Services,Inc. WorkOrder: 2001331 <br /> Date Prepared: 1/10/20 BatchID: 192077 <br /> Date Analyzed: 1/10/20 Extraction Method: SW5030B <br /> Instrument: GC12 Analytical Method: SW802113/801513m <br /> Matrix: Water Unit: gg/L <br /> Project: 87844; SSI Lathrop Sample ID: MB/LCS/LCSD-192077 <br /> QC Summary Report for SW8021B/8015Bm <br /> Analyte MB MDL RL SPK MB SS MB SS <br /> Result Val %REC Limits <br /> TPH(g)(C6-C12) ND 20 50 <br /> MTBE ND 1.2 5.0 - <br /> Benzene ND 0.20 0.50 - <br /> Toluene ND 0.19 0.50 - <br /> Ethylbenzene ND 0.23 0.50 <br /> m,p-Xylene ND 0.40 1.0 <br /> o-Xylene ND 0.13 0.50 - - - <br /> Surrogate Recovery <br /> aaa-TFT 10 10 102 74-117 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> TPH(btex) 49 48 60 81 81 78-116 0 20 <br /> MTBE 9.2 8.8 10 92 88 72-122 4.65 20 <br /> Benzene 11 10 10 105 104 81-123 1.43 20 <br /> Toluene 11 11 10 114 112 83-129 1.70 20 <br /> Ethylbenzene 11 11 10 108 106 88-126 1.49 20 <br /> m,p-Xylene 20 20 20 101 100 80-120 1.20 20 <br /> o-Xylene 9.9 9.7 10 99 97 80-120 1.33 20 <br /> Surrogate Recovery <br /> aaa-TFT 10 11 10 104 105 74-117 1.14 20 <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 10 of 15 <br />