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1534 Willow Pass Road,Pivsbwg,CA 94565-1701 <br /> ® McCampbell Analytical, Inc. Toll Free Telephone (877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" hnp://www.mccampbelLcom/E-mail:main tUD wcampbell.com <br /> Quality Control Report <br /> Client: Patriot Environmental Services WorkOrder: 1712819 <br /> Date Prepared: 12/18/17 BatchID: 150401 <br /> Date Analyzed: 12/19/17 Extraction Method: SW5030B <br /> Instrument: GC19,GO Analytical Method: SW8021B/8015Bm <br /> Matrix: Soil Unit: mg/Kg <br /> Project: 11-17-00470;ASH Transportation Sample ID: MB/LCS-150401 <br /> 1712388-001CMS/MSD <br /> QC Summary Report for SW8021B/8015Bm <br /> Analyte MB RL SPK MB SS MB SS <br /> Result Val %REC Limits <br /> TPH(g)(C6-C72) NO 1.0 - - - <br /> MTBE NO 0.050 - - - <br /> Benzene NO 0.0050 - - - <br /> Toluene NO 0.0050 - - - <br /> Ethylbenzene NO 0.0050 - - - <br /> Xylenes NO 0.0050 - - - <br /> Surrogate Recovery <br /> 2-Fluorotoluene 0.1091 0.10 109 75-134 <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> TPH(btex) 0.550 - 0.60 92 - 82-118 - - <br /> MTBE 0.0947 - 0.10 95 - 61-119 - - <br /> Benzene 0.0928 - 0.10 93 - 77-128 - - <br /> Toluene 0.0983 - 0.10 98 - 74-132 - - <br /> Ethylbenzene 0.103 - 0.10 103 - 84-127 - - <br /> Xylenes 0.321 - 0.30 107 - 86-129 - - <br /> Surrogate Recovery <br /> 2-Fluorotoluene 0.110 - 0-10 110 - 75-134 - - <br /> Analyte MS MSD SPK SPKRef MS MSD MS/MSD RPD RPD <br /> Result Result Val Val %REC %REC Limits Limit <br /> TPH(blex) 0.434 0.526 0.60 NO 72 88 58-129 19.0 20 <br /> MTBE 0.0847 0.102 0.10 NO 82 100 47-118 19.0 20 <br /> Benzene 0.0934 0.0955 0.10 NO 93 95 65-129 2.25 20 <br /> Toluene 0.0976 0.109 0.10 NO 98 109 56-130 11.4 20 <br /> Ethylbenzene 0.0944 0.0998 0.10 NO 94 100 63-129 5.65 20 <br /> Xylenes 0.287 0.308 0.30 NO 96 103 64-131 7.10 20 <br /> Surrogate Recovery <br /> 2-Fluorotoluene 0.0839 0.0871 0.10 84 87 62-126 3.77 20 <br /> NELAP 4033ORELAP <br /> Page 14 of 19 <br />