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Test rnerica <br /> THE LEADER IN ENVIRONMENTAL TESTING 17461 Derian Avenue.Suite 100, Irvine,CA 92614(949)261-1022 Fax:(949)260-3297 <br /> Conestoga-Rovers&Associates-Emeryville Shell Project ID: 3515 Nary Dr.,Stockton,CA <br /> 5900 Hollis St.,Suite A Sampled: 04/06/11-04/07/11 <br /> Emeryville,CA 94608 ReportNumber: IUD0863 Received: 04/08/11 <br /> Attention: Aubrey Cool <br /> METHOD BLANK/QC DATA <br /> VOLATILE ORGANICS by GUMS(EPA 5030B/8260B) <br /> Reporting Spike Source %REC RPD Data <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Qualifiers <br /> Batch: 11D1882 Extracted:04/15/11 <br /> Matrix Spike Dup Analyzed:04/18/2011(I1D1882-MSDI) Source:IUD0773-07 <br /> Benzene 3.05 0.050 mg/kg 2.50 0.183 115 55-140 3 25 <br /> Ethylbennne 5.63 0.050 mg/kg 2.50 3.60 81 50-150 53 25 R-3 <br /> Toluene 3.72 0.050 mg/kg 2.50 1.05 107 55-140 31 25 R-3 <br /> m,p-Xylenes 15.8 0.10 mg/kg 4.99 13.5 46 60-145 63 25 M2,R-3 <br /> o-Xylene 6.45 0.050 mgfkg 2.50 4.80 66 55-145 60 25 R-3 <br /> Xylenes,Total 22.3 0.10 mg/kg 7.49 18.3 52 55-145 62 25 R-3,M2 <br /> Di-isopropyl Ether(DIPE) 2.93 0.10 mg/kg 2.50 ND 117 60-150 2 25 <br /> Ethyl tert-Butyl Ether(ETBE) 2.54 0.10 mg(kg 2.50 ND 102 60-150 2 25 <br /> Methyl-ten-butyl Ether(MTBE) 2.49 0.10 mg/kg 2.50 ND 100 55-155 1 30 <br /> tert-Amyl Methyl Ether(TAME) 2.41 0.10 mg/kg 2.50 ND 96 60-150 3 25 <br /> tert-Butanol(TBA) 12.2 1.0 mg/kg 12.5 ND 98 60-155 4 25 <br /> Surrogate:4-Bromofluorobenzene 2.71 mg/kg 2.50 109 65-140 <br /> Surrogate:Dibromofluoromethane 2.38 mg/kg 2.50 95 55-140 <br /> Surrogate:Toluene-d8 2.77 mg/kg 2.50 1// 60-140 <br /> TestAmerica Irvine <br /> Philip Sanelle <br /> Project Manager <br /> The results pertain only to Poe samples tested/n the laboratory. This repartshall not be reproduced, 35 0 IUD0863 Gpa ¢ 3h <br /> except lnfull,walnut written permisslonfrom TestAmerica. g .� <br />