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TestAmerica <br /> THE LEADER IN ENVIRONMENTAL TESTING 17461 Derian Avenue.Suite 100, Irvine,CA 92614(949)261-1022 Fas:(949)260-3297 <br /> Conestoga-Rovers&Associates-Emeryville Shell Project ID: 3515 Navy Dr.,Stockton,CA <br /> 5900 Hollis St.,Suite A Sampled: 04/06/11-04/07/11 <br /> Emeryville,CA 94608 Report Number: IUD0863 Received: 04/08/11 <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: 11D1513 Extracted:04/13/11 <br /> Blank Analyzed:04/14/2011(11D1513-BLK1) <br /> Volatile Fuel Hydrocarbons(C4-C12) ND 10 mg/kg <br /> Surrogate;Dibromofluoromethane 2.58 mg/kg 2.50 103 55-140 <br /> Surrogate:Toluene-d8 2.67 mg/kg 2.50 107 60-140 <br /> Surrogate:4-Bromofluorobenzene 2.50 mg/kg 2.50 100 65-140 <br /> LCS Analyzed:0 4/1 412 01 1(11D1513-BS2) <br /> Volatile Fuel Hydrocarbons(C4-C12) 43.3 10 mg/kg 50.0 87 60-130 M-3 <br /> Surrogate:Dibromofluoromethane 2.58 mg/kg 2.50 103 55-140 <br /> Surrogate:Toluene-d8 2.72 mg/kg 2.50 109 60-140 <br /> Surrogate:4-Bromofluorobenzene 2.56 mg/kg 2.50 102 65-140 <br /> LCS Dup Analyzed:04/14/2011(11D1513-BSD2) <br /> Volatile Fuel Hydrocarbons(C4-C12) 43.0 10 mgtkg 50.0 86 60-130 0.6 25 <br /> Surrogate:Dibromofluoromethane 2.52 mg/kg 2.50 101 55-140 <br /> Surrogate:Toluene-d8 2.62 mg/kg 2.50 105 60-140 <br /> Surrogate:4-Bromofluorobemene 2.48 mg/kg 2.50 99 65-140 <br /> Batch:11D1531 Extracted:04/13/11 <br /> Blank Analyzed:04/13/2011(11D1531-BLKI) <br /> Volatile Fuel Hydrocarbons(C4-Cl2) ND 0.20 mgtkg <br /> Surrogate:Dibromofluoromethane 0.0512 mg/kg 0.0500 104 80-125 <br /> Surrogate:Toluene-d8 0.0532 mg/kg 0.0500 106 80-120 <br /> Surrogate;.4-Bromofluorobemene 0.0471 mg/kg 0.0500 94 80-120 <br /> LCS Analyzed:04/13/2011(11D1531-BS2) <br /> Volatile Fuel Hydrocarbons(C4-C12) 0.761 0.20 mgtkg 1.00 76 60-135 <br /> Surrogate:Dibromofluoromethane 0,0525 mg/kg 0.0500 105 80-125 <br /> Surrogate:Toluene-d8 0.0531 mg/kg 0.0500 106 80-120 <br /> Surrogate:4-Bromofluorobenzene 0.0482 mg/kg 0.0500 96 80.120 <br /> TestArnerica Irvine <br /> Philip Sanelle <br /> Project Manager <br /> The results pertain only to the samples tested in the laboratory. This report shall not be reproducee4 <br /> except inful{without writtenpermissionfrom Tmolmerica. IUD0863 <page21of37> <br />