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Test-America <br /> 1'HE LEADER IN ENVIRONMENTAL TESTING 17461 Dmien Avenue.Suite loo, Irvine,CA 92614(949)261-1022 Fu:(949)260-3297 <br /> Conestoga-Rovers&Associates-Emeryville Shell Project ID: 3515 Nary Dr.,Stockton,CA <br /> 5900 Hollis St.,Suite A <br /> Emeryville,CA 94608Sampled: 04/08/11 <br /> ReportNumber: IIID 1020 Received: 04/12/11 <br /> Attention: Aubrey Cool <br /> METHOD BLANK/QC DATA <br /> VOLATILE ORGANICS by GUMS(EPA 5030B/8260B) <br /> Reporting Spike Source %REC RPU Data <br /> Analyte <br /> Batch: 1102102 Extracted:04/17/11 /e Result Limit Units Level Result REC Limits RI'D Limit <br /> 0 <br /> Qualifiers <br /> Matrix Spike Dup Analyzed:04/17/2011(1102102-MSDI) <br /> Benzene Source:TUD1363-14 <br /> Ethylbenzene <br /> 0.0424 0,00094 mglkg 0.0470 ND 90 65-130 11 20 <br /> Toluene 0.0445 0.00094 mg/kg 0.0470 ND 95 70-135 9 25 <br /> Toluene lenes 0.0442 0.00094 mg/kg 0.0470 ND 94 70-130 9 20 <br /> c-Xylene <br /> 0.0881 <br /> o-X len¢ 0.0019 mg/kg 0.0940 ND 94 70-130 9 <br /> y .00094 m 25 <br /> 0.0454 0 <br /> Xylenes,Total P,�B 0.0470 ND 97 65-130 g 25 <br /> 0.133 0.0019 mg/kg 0.141 ND 95 70-125 9 25 <br /> Di-isopropyl Ether(DIPE) 0.0461 0.0019 mg/kg 0,0470 ND 98 60-150 10 25 <br /> Ethyl tert-Butyl Ether(ETRE) 0.0593 0.0019 mg/kg 0.0470 ND 126 60-145 9 30 <br /> Methyl-tert-butyl Ether(MTBE) 0.0524 0.0019 mg/kg 0.0470 ND 112 55-155 8 35 <br /> tert-Amyl Methyl Ether(TAME) 0.0672 0.0019 mg/kg 0.0470 ND 143 60-150 8 25 <br /> tert-Butanol(TBA) 0.217 0.019 m <br /> g/kg 0.235 ND 92 65-145 5 30 <br /> Surrogate:4-Brom0fluorobemene - 0.0446 mg/kg 0.0470 <br /> Surrogate:Dibromofluoromerhane 0.0485 95 80-120 <br /> mg/lrg 0.0470 103 80-125 <br /> Surrogate:Toluene-d8 0.0495 mg/kg 0.0470 <br /> !OS 80-120 <br /> TestAmeriea Irvine <br /> Philip Sanelle <br /> Project Manager <br /> The results pertain only to the samples tesled in the laboratory. This report shall nol be reproduced, <br /> excOPlinfull,withm,writtenpermissionfromTeSL4merica. 1UD1020 <Page 13 of 15> <br />