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TestAmerica <br /> THE LEADER IN ENVIRONMENTAL TESTING 17461 Doran Avenue.Suite 100, Irvine,CA 92614(949)261-1022 Fm:(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 94605 ReportNumber: IUC3240 Received: 03/31/11 <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:11DO275 Extracted:04/04/11 <br /> Blank Analyzed:04104/2011(11D0275-BLKI) <br /> Volatile Fuel Hydrocar1sons(C4-C12) ND 0.20 mg/kg <br /> Surrogate:Dibromofluoromethane 0.0511 mg/kg 0.0500 102 80-115 <br /> Surrogate:Toluene-d8 0.0511 mg/kg 0.0500 102 80-120 <br /> Surrogate:4-Bromoffuorobemene 0.0478 mg/kg 0.0500 96 80-120 <br /> LCS Analyzed:04/04/2011(11D0275-BS2) <br /> Volatile Fuel Hydrocarbons(C4-C12) 1.10 0.20 mgfkg 1.00 110 60-135 <br /> Surrogate:Dibromofluoromethane 0.0513 mg/kg 0.0500 103 80-125 <br /> Surrogate:Toluene-d8 0.0515 mg/kg 0.0500 103 80-120 <br /> Surrogate:4-Bromofluorobemene 0.0488 mg/kg 0.0500 98 80-120 <br /> Matrix Spike Analyzed:04/04/2011(IID0275-MS1) Source:IUC3240-01 <br /> Volatile Fuel Hydrocarbons(C4-Cl2) 2.46 0.20 mg/kg 3.44 ND 71 50-140 <br /> Surrogate:Dibromofluoromethane 0.0518 mg/kg 0.0498 104 80-125 <br /> Surrogate:Toluene-d8 0.0529 mg/kg 0.0498 106 80-120 <br /> Surrogate:4-Bromofluorobenzene 0.0471 mg/kg 0.0498 95 80-120 <br /> Matrix Spike Dup Analyzed:04/04/2011(11D0275-MSDI) Source:IUC3240-01 <br /> Volatile Fuel Hydrocarbons(C4-C12) 2.53 0.20 mg/kg 3.44 ND 74 50-140 3 25 <br /> Surrogate:Dibromofluorometham 0.0519 mg/kg 0.0498 104 80-125 <br /> Surrogate:Toluene-d8 0.0525 mg/kg 0.0498 105 80-120 <br /> Surrogate:4-Bromofluorobemene 0.0484 mg/kg 0.0498 97 80-120 <br /> Batch:11D0429 Extracted:04/05/11 <br /> Blank Analyzed:04/05/2011(11 D0429-BLKI) <br /> Volatile Fuel Hydrocarbons(C4-C12) ND 10 mg/kg <br /> Surrogate:Dibromofluommethane 1.37 mg/kg 2.50 95 55-140 <br /> Surrogate:Toluene-d8 2.41 mg/kg 2.50 96 60-140 <br /> Surrogate:4-Bromafluorobemene 2.40 mg/kg 2.50 96 65-140 <br /> TestAmerica Irvine <br /> Lena Davidkova For Philip Sanelle <br /> Project Manager <br /> The mulls pertain only to the samples restedin the laborelory. This report shall not be reproduced, <br /> exceptdnfull,without written permissionfrom Tesb4merim. 1UC3140 <Pagellof23> <br />