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1534 Willow Pass Road,Pittsburg,CA 94555-1701 <br /> Mc C a m p b e l l Analytical, l n e. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" http://www.mccampbell.com/E-mail:"in[mccampbell.com <br /> Quality Control Report <br /> Client: Terracon WorkOrder: 1712772 <br /> Date Prepared: 12/18/17 BatchlD: 150402 <br /> Date Analyzed: 12/19/17 Extraction Method: SW5030B <br /> Instrument: GC19 Analytical Method: SW802113/8015Bm <br /> Matrix: Soil Unit: mg/Kg <br /> Project: R1177G18; Sample ID: MB/LCS-150402 <br /> QC Summary Report for SW8021B/8015Bm <br /> Analyte MB RL SPK MB SS MB SS <br /> Result Val %REG Limits <br /> TPH(g)(C8-C12) ND 1.0 <br /> MTBE ND 0.050 <br /> Benzene ND 0.0050 <br /> Toluene ND 0.0050 <br /> Ethylbenzene ND 0.0050 - <br /> Xylenes ND 0.0050 - <br /> Surrogate Recovery <br /> 2-Fluorotoluene 0.0929 0.10 93 75-134 <br /> Analyte LCS LCSD SPK LCS LCSD LCSILCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> TPH(btex) 0.539 0.60 90 82-118 <br /> MTBE 0.0899 0.10 90 61-119 <br /> Benzene 0.0991 - 0.10 99 - 77-128 <br /> Toluene 0.106 - 0.10 107 - 74-132 <br /> Ethylbenzene 0.104 - 0.10 104 - 84-127 - <br /> Xylenes 0.315 - 0.30 105 - 86-129 <br /> Surrogate Recovery <br /> 2-Fluorotoluene 0.0938 0.10 94 75-134 <br /> NELAP 4033ORELAP <br /> Page 31 of 43 <br />