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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> s McCampbell Analytical Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When QttalifY Counts" <br /> o http://www.mccatnpbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: Ponder Environmental Services WorkOrder: 1701D08 <br /> Date Prepared: 1/31/17 BatchlD: 133464 <br /> Date Analyzed: 1/31/17 Extraction Method: SW5030B <br /> Instrument: GC3 Analytical Method: SW802113/801513m <br /> Matrix: Water Unit: pg/L <br /> Project: 17-16039;Pacific Ethanol Spill Sample ID: MB/LCS-133464 <br /> 1701 C62-015AMS/MSD <br /> QC Summary Report for SW8021B/8015Bm <br /> Analyte MB LCS RL SPK MB SS LCS LCS <br /> Result Result Val %REC %REC Limits <br /> TPH(btex) ND 60.6 40 60 101 85-112 <br /> MTBE ND 8.92 5.0 10 89 74-127 <br /> Benzene ND 10.0 4.50 10 100 81-124 <br /> Toluene ND 10.3 0.50 10 103 79-131 <br /> Ethylbenzene ND 10.5 0.50 10 105 86-127 <br /> Xylenes ND 33.0 1.5 30 - 110 87-133 <br /> Surrogate Recovery <br /> aaa-TFT 10.27 10.2 10 103 102 87-117 <br /> Analyte MS MSD SPK SPKRef MS MSD MSlMSD RPD RPD <br /> Result Result Val Val %REC %REC Limits Limit <br /> TPH(btex) 60.1 60.5 60 ND 100 101 85-113 0.632 20 <br /> MTBE 9.72 9.99 10 ND 97 100 73-120 2.74 20 <br /> Benzene 10.1 10.3 10 ND 101 103 84-121 1.95 20 <br /> Toluene 10.5 10.6 10 ND 105 106 86-125 1.03 20 <br /> Ethylbenzene 10.8 10.8 10 ND 108 108 93-124 0 20 <br /> Xylenes 34.1 34.0 30 ND 114 113 93-130 0.319 20 <br /> Surrogate Recovery <br /> aaa-TFT 10.2 10.3 10 102 103 89-115 1.53 20 <br /> NELAP 4033ORELAP -. QA/QC Officer <br /> Page 60 of 69 <br />