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Test-America <br /> THE LEADER IN ENVIRQNMEN TAL ,TESTING 17461 Derian Avenue.Suite 100, Irvine,CA 92614(949)261-1022 Fax:(949)2603297 <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 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: I1D1719 Extracted:04/14/11 <br /> Matrix Spike Dup Analyzed:04/14/2011(11D1719-MSDI) Source:IUD0863-09 <br /> Volatile Fuel Hydrocarbons(C4-C 12) 2.56 0.20 mg/kg 3.42 ND 75 50-140 0.4 25 <br /> Surrogate:Dibromofluoromethane 0.0544 mg/kg 0.0495 1/0 80-125 <br /> Surrogate:Toluene-d8 0.0515 <br /> mg/kg 0.0495 /04 80-I20 <br /> Surragate;4-Bromofluorobenzene 0.0497 mg/kg 0.0495 100 80-120 <br /> Batch:11D1875 Extracted:04/15/11 <br /> Blank Analyzed:04/15/2011(11D7875-BLKI) <br /> Volatile Fuel Hydrocarbons(C4-C]2) ND 0.20 mg/kg <br /> Surrogate:Dibromofluoromethane 0.0560 mg/kg 0.0500 /12 80-115 <br /> Surrogate.: Toluene-d8 0.0519 mg/kg 0.0500 104 80-110 <br /> Surrogate:4-Bromofluorobemene 0.0493 mg/kg 0.0500 99 80-120 <br /> LCS Analyzed:04/152011(11D1875-882) <br /> Volatile Fuel Hydrocarbons(C4-C12) 0.906 0.20 mg/kg 1.00 91 60-135 <br /> Surrogate:Dibromofluoromethane 0.0539 mg/kg 0.0500 108 80-125 <br /> Surrogate:Toluene-d8 0.0517 mg/kg 0.0500 103 80-110 <br /> Surrogate:4-Bromofluorobenzene 0.0501 mg/kg 0.0500 100 80-120 <br /> Matrix Spike Analyzed:04/152011(11D1875-MS1) Source:IUD0959-02 <br /> Volatile Fuel Hydrocarbons(C4-C 12) 2.52 0.20 mg/kg 3.44 ND 73 50-140 <br /> Surrogate:Dibromofluoromethane 0.0532 mg/kg 0.0499 107 80-125 <br /> Surrogate:Toluene-d8 0.0519 mg/kg 0.0499 104 80-120 <br /> Surrogate;4-Bromofluorobenzene 0.0504 mg/kg 0.0499 /01 80-/20 <br /> Matrix Spike Dup Analyzed:04/152011(11D1875-MSDI) Source:IUD0959-02 <br /> Volatile Fuel Hydrocarbons(C4-C12) 2.52 0.20 mg/kg 3.43 ND 73 50-140 0.003 25 <br /> Surrogate:Dibromofluoromethane 0.0528 mg/kg 0.0497 106 80-125 <br /> Surrogate:Toluene-d8 0.05/5 mg/kg 0.0497 104 80-120 <br /> Surrogate:4-Bromof7uorobenzene 0.0505 mg/kg 0.0497 102 80-120 <br /> TestAmerica Irvine <br /> Philip Sanelle <br /> Project Manager <br /> The"suits pertain only to the samples tested in the laboratory. This reporthall not be reproduce4 <br /> except infill,without written permtastonfrom Tesh4merica. IUD0863 <Page130f37> <br />