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, <br /> TestAmedca <br /> THE LEADER IN ENVIRONMENTAL TESTING 17461 Dorian Avenue.Suite 100, fr ime,CA 92614(949)261-1022 Fax:(949)260-3297 <br /> Conestoga-Rovers&Associates-Emeryville Shell Project ID: 3515 Navy Dr.,Stockton,CA <br /> 5900 Hollis St.,Suite A Sampled: 03/29/11-03/30/11 <br /> Emeryville,CA 94608 Report Number: IUC3240 Received: 03/31/11 <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: 11D0617 Extracted:04/06/11 <br /> Matrix Spike Dup Analyzed:04/06/2011(1ID0617-MSDI) Source:IUC3240-09 <br /> Benzene 0.0508 0.00099 mg/kg 0.0497 ND 102 65-130 0.3 20 <br /> Ethylbenzene 0.0492 0.00099 mg/kg 0.0497 ND 99 70-135 2 25 - <br /> Toluene 0.0512 0.00099 mg/kg 0.0497 ND 103 70-130 1 20 <br /> m,p-Xylenes 0.0928 0.0020 mg/kg 0.0994 ND 93 70-130 5 25 <br /> o-Xylene 0.0491 0.00099 mgtkg 0.0497 ND 99 65-130 1 25 <br /> Xylenes,Total 0.142 0.0020 mg/kg 0.149 ND 95 70-125 4 25 <br /> Di-isopropyl Ether(DIPE) 0.0558 0.0020 mg/kg 0.0497 ND 112 60-150 4 25 <br /> Ethyl tert-Butyl Ether(ETBE) 0.0698 0.0020 mg/kg 0.0497 ND 140 60-145 4 30 <br /> Methyl-tert-butyl Ether(MTBE) 0.0614 0.0020 mg/kg 0.0497 0.00130 121 55-155 5 35 <br /> cert-Amyl Methyl Ether(TAME) 0.0778 0.0020 mg/kg 0.0497 ND 156 60-150 5 25 M7 <br /> ten-Butanol(TBA) 0.244 0.020 mg/kg 0.249 ND 98 65-145 0.7 30 <br /> Surrogate:4-BromoJluorobemene 0.0473 mg/kg 0.0497 95 80-120 <br /> Surrogate:DibromoJluoromethme 0.0544 mg/kg 0.0497 109 80-125 <br /> Surrogate:Toluene-d8 0.0508 mg/kg 0.0497 102 80-120 <br /> TestAmerica Irvine <br /> Lena Davidkova For Philip Sanelle <br /> Project Manager <br /> The resu0s pertain only to the samples tested to the laboratory. This reportsholl not be reproduced /(IC3140 <pa e <br /> except in fall,without written permissionjram TenAmerica. g 21 0f 23> <br />