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TestAmerica <br /> THE LEADER IN ENVIRONMENTAL TESTING 17461 Dorian Avenue.Suite 100, Irvine,CA 92614(949)261-1022 rex:(949)260d297 <br /> Conestoga-Rovers&Associates-Emeryville Shell Project ID: 3515 Navy Dr.,Stockton,CA <br /> 5900 Hollis St.,Suite A <br /> Emeryville, Sampled: 04/06/11-04/07/11 <br /> Report Number: IUD0863 Received: 04/08/11 <br /> Attention: Aubrey <br /> Cool <br /> METHOD BLANK/QC DATA <br /> VOLATILE ORGANICS by GC/MS(EPA 5030B/8260B) <br /> Reporting Spike Source %REC RPD Data <br /> Analyte Result Limit Units Level Result /oREC Limits RPD Limit <br /> 0 <br /> Qualifiers <br /> Batch: i1D1513 Extracted:04/13/11 <br /> Matrix Spike Dup Analyzed:04/15/2011(11D1513-MSDI) Source:IUD0863-05 <br /> Surrogate:Toluene-d8 1.88 mg/kg 2.50 75 60-140 <br /> Batch:11D1531 Extracted:04/13/11 <br /> Blank Analyzed:04/13/2011(11D1531-BLKI) <br /> Benzene ND 0.0010 mg/kg <br /> Ethylbenzene ND 0.0010 mg/kg <br /> Toluene ND 0.0010 mg/kg <br /> m,p-Xylenes ND 0.0020 mg/kg <br /> o-Xylene ND 0.0010 mg/kg <br /> Xylenes,Total ND 0.0020 mg/kg <br /> Di-isopropyl Ether(DIPE) ND 0.0020 mg/kg <br /> Ethyl tert-Butyl Ether(ETBE) ND 0.0020 mg/kg <br /> Methyl-tert-butyl Ether(MTBE) ND 0.0020 mg/kg <br /> tert-Amyl Methyl Ether(TAME) ND 0.0020 mg/kg <br /> tert-Butanol(TBA) ND 0.020 mg/kg <br /> Surrogate:4-Bromofluorobemene 0.0471 mg/kg 0.0500 94 80-120 <br /> Surrogate:Dibromofluoromethtme 0.0522 mg/kg 0.0500 104 80-125 <br /> Surrogate:Toluene-d8 0.0532 mg/kg 0.0500 106 80-120 <br /> LCS Analyzed:04/13/2011(11D1531-BSI) <br /> Benzene 0.0494 0.0010 mg/kg 0.0500 99 65-120 <br /> Ethylbenzene 0.0510 0.0010 mg/kg 0.0500 102 70-125 <br /> Toluene 0.0505 0.0010 mg/kg 0.0500 101 70-125 <br /> m,p-Xylenes 0.101 0.0020 mg/kg 0.100 101 70-125 <br /> o-Xylene 0.0522 0.0010 mg/kg 0.0500 104 70-125 <br /> Xylenes,Total 0.153 0.0020 mg/kg 0.150 102 70-125 <br /> Di-isopropyl Ether(DIPE) 0.0529 0.0020 mg/kg 0.0500 106 60-140 <br /> Ethyl tert-Butyl Ether(ETBE) 0.0647 0.0020 mg/kg 0.0500 129 60-140 <br /> Methyl-ten-butyl Ether(MTBE) 0.0560 0.0020 mg/kg 0.0500 112 60-140 <br /> tert-Amyl Methyl Ether(TAME) 0.0714 0.0020 mg/kg 0.0500 143 60-145 <br /> tort-Butanol(TBA) 0.234 0.020 mg/kg 0.250 94 70-135 <br /> Surrogate:4-Bromofluorobenzene 0,0514 mg/kg 0.0500 103 80-120 <br /> Surrogate:Dibromoflucromethane 0.0539 mg/kg 0.0500 108 80-125 <br /> Surrogate:Toluene-d8 0.0531 mg/kg 0.0500 106 80-120 <br /> TestAmerica Irvine <br /> Philip Sanelle <br /> Project Manager <br /> The results pertain only to the samples testedin the laboratory. This reportshall not be reproduced, <br /> except infull,without wrinenpermissionfrom TesUmeriaa. IUD0863 <Page27af37> <br />