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TestAmerica <br /> THE LEADER IN ENVIRONMENTAL TESTING 17461 Delon Avenue.Suaa 100, Irvine,CA 92614(949)261-1022 Faz:(949)260-3297 <br /> Conestoga-Rovers&Associates-Emeryville Shell Project ID: 3515 Navy Dr.,Stockton,CA <br /> 5900 Hollis St.,Suite A Sampled: 03/30/11-03/31/11 <br /> Emeryville,CA 94608 ReportNumber: ILTDO117 Received: 04/02/11 <br /> Attention: Aubrey Cool <br /> METHOD BLANK/QC DATA <br /> VOLATILE FUEL HYDROCARBONS BY GC/MS(CA LUFT) <br /> Reporting Spike Source %REC RPD Data <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Qualifiers <br /> Batch:11DO587 Extracted:04/06/11 <br /> Matrix Spike Dup Analyzed:04/06/2011(11D0587-MSDI) Source:IUC3281-04 <br /> Volatile.Fuel Hydmcarbons(C4-Cl2) 2.99 0.20 mg/kg 3.42 0.173 83 50-140 0.3 25 <br /> Surrogate:Dibromofluoromethane 0.0482 mg/kg 0.0495 97 80-125 <br /> Surrogate:Toluene-d8 0.0507 mg/kg 0.0495 102 80420 <br /> Surrogate:4-Bromofluorobemene 0.0485 mg/kg 0.0495 98 80-120 <br /> Batch:11D0589 Extracted:04/06/11 <br /> Blank Analyzed:04/072011(11D0589-BLKI) <br /> Volatile Fuel Hydrocarbons(C4-02) ND 10 mg/kg <br /> Surrogate:DibromoJluommethane 2.15 mg/kg 2.50 90 55-140 <br /> Surrogate:Toluene-d8 2.17 mg/kg 2.50 87 60-140 <br /> Surrogate:4-Bromofluorobenzene 1.14 mg/kg 2.50 86 65-140 <br /> LCS Analyzed:04/072011(11D0589-BS2) MNRI <br /> Volatile Fuel Hydrocarbons(C4-Cl2) 48.6 10 mg/kg 50.0 97 60-130 <br /> Surrogate:Dibromofluoromethane 2.17 mg/kg 2.50 87 55-140 <br /> Surrogate:Toluene-d8 2.23 mg/kg 2.50 89 60-140 <br /> Surrogate:4-Bromofluorobemene 2.13 mg/kg 2.50 89 65-140 <br /> LCS Dup Analyzed:04/07/2011(11D0589-BSD2) <br /> Volatile Fuel Hydrocarbons(C4-C 12) 44.8 10 mg/kg 50.0 90 60-130 8 25 <br /> Surrogate:Dibromofluoromethane 2.06 mg/kg 2.50 82 55-140 <br /> Surrogate:Toluene-d8 2.06 mg/kg 2.50 83 60-140 <br /> Surrogate:4-Bromofluorobemene 2.13 mg/kg 2.50 85 65-140 <br /> TestAmerica Irvine <br /> Pat Abe For Philip Sanelle <br /> Project Manager <br /> The m.solu pertam only to the samples tested In the laboratory. This report shall not be reproduced. 1I/D0117 <br /> esceptIn full,without written permission from Tesi4merica. Page 14 of 23> <br />