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M1534 Willow Pass Rob-,nttsbwg,CA 94565-1701 <br /> Aw. c C a m p b e I l A n a l y t i c a 1. I n c. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> -` rr n http://www.mccampbefl.com When Quality Counts main@mccampbefl.com <br /> Control Report <br /> Client: Pangea Environmental Svcs., Inc. WorkOrder: 1407387 <br /> Date Prepared: 7/15/14 BatchID: 92731 <br /> Date Analyzed: 7/14/14 Extraction Method: SW5030B <br /> Instrument: GC3 Analytical Method: SW802113/801513m <br /> Matrix: Water Unit: n/L <br /> Project: #1540.001;Tracy Office Plaza Sample ID: MB/LCS-92731 <br /> 1407327-003BMS/MSD <br /> QC Summary Report for SW8021B/8015Bm <br /> Analyte MB LCS RL SPK MB LCS LCS <br /> Result Result Val SS%REC %REC Limits <br /> TPH(btex) ND 61.8 40 60 - 103 70-130 <br /> MTBE ND 11,5 5.0 10 - 115 70-130 <br /> Benzene ND 10.0 0.50 10 - 100 70-130 <br /> Toluene ND 9.98 0.50 10 - 99.8 70-130 <br /> Ethylbenzene ND 10.1 0.50 10 - 101 70-130 <br /> Xylenes ND 30.3 0.50 30 - 101 70-130 <br /> Surrogate Recovery <br /> aaa-TFT_2 9.38 9.53 10 94 95 70-130 <br /> Analyte MS MSD SPK SPKRef MS MSD MS/MSD RPD RPD <br /> Result Result Val Val %REC %REC Limits Limit <br /> TPH(btex) 59.1 61.2 60 ND 98.4 102 70-130 3.49 20 <br /> MTBE 21.6 21.3 10 10.13 115 111 70-130 1.70 20 <br /> Benzene 9.53 10.1 10 ND 95.3 101 70-130 5.39 20 <br /> Toluene 9.44 9.86 10 ND 94.4 98.6 70-130 4.35 20 <br /> Ethylbenzene 9.50 9.91 10 ND 95 99.1 70-130 4.25 20 <br /> Xylenes 28.6 30.0 30 ND 95.4 100 70-130 4.82 20 <br /> Surrogate Recovery <br /> aaa-TFT_2 9.27 9.42 10 93 94 70-130 1.60 20 <br /> CDPH ELAP 1644 NELAP 4033ORELAP �' ~ <br /> QA/QC Officer <br /> Page 11 of 19 <br />