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TestAmerica <br /> THE LEADER IN ENVIRONMENTAL TESTING 17461 Derian Avenue.Suite 100, Irvine,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 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:11 D0429 Extracted:04/05/11 <br /> LCS Analyzed:04/05/2011(11D0429-BS2) MNR <br /> Volatile Fuel Hydrocarbons(C4-C 12) 61.2 10 mg/kg 50,0 122 60-130 <br /> Surrogate:Dibromofluoromethane 2.51 mg/kg 2.50 100 55-140 <br /> Surrogate:Toluene-d8 2.50 mg/kg 2.50 100 60-140 <br /> Surrogate:4-Bromofluorobenzene 2.48 mg/kg 2.50 99 65-140 <br /> LCS Dup Analyzed:04/05/2011(IID0429-BSD2) <br /> Volatile Fuel Hydrocarbons(C4-C12) 61.1 10 mglkg 50.0 122 60-130 0.3 25 <br /> Surrogate:Dibromofluoromethane 2.43 mg/kg 2.50 97 55-140 <br /> Surrogate:Toluene-d8 2.49 mg/kg 2.50 99 60-140 <br /> Surrogate:4-Bromofluorobemene 1.47 mg/kg 2.50 99 65-140 <br /> Batch:11DO443 Extracted:04/05/11 <br /> Blank Analyzed:04/05/2011(11D0443-BLKI) <br /> Volatile Fuel Hydrocarbons(C4-C12) ND 0.20 mg/kg <br /> Surrogate:Dibromofluoromethane 0.0524 mg/kg 0.0500 105 80-125 <br /> .Surrogate:Toluene48 0.0509 mg/kg 0.0500 102 80-120 <br /> Surrogate;4-Bromofluorobenzene 0.0481 mg/kg 0.0500 96 80-110 <br /> LCS Analyzed:04/05/2011(11D0443-BS2) <br /> Volatile Fuel Hydrocarbons(C4-C12) 1.13 0.20 mg/kg 1.00 113 60-135 <br /> Surrogate:Dibromofluoromethane 0.0521 mg/kg 0.0500 104 80-125 <br /> Surrogate:Toluene-d8 0.0513 mg/kg 0.0500 103 80-120 <br /> Surrogate:4-Bromofluorobemene 0.0496 mg/kg 0.0500 99 80-120 <br /> Matrix Spike Analyzed:04/05/2011(11D0443-MSI) Source:IUD0117-03 <br /> Volatile Fuel Hydrocarbons(C4-Cl2) 2,69 0.20 mg/kg 3.41 ND 79 50-140 <br /> Surrogate:Dibromofluoromethane 0.0518 mg/kg 0.0494 105 80-125 <br /> Surrogate:Toluene-d8 0.0510 mg/kg 0.0494 103 80-120 <br /> Surrogate:4-Bromofluorobemene 0.0471 mg/kg 0.0494 95 80-120 <br /> TestAmerica Irvine <br /> Lena Davidkova For Philip Sanelle <br /> Project Manager <br /> The results pertaln only to the samples tested In the laboratory. This report shall not be reproduced 1UC3240 <br /> except infull,without wittenpermissionfrom GPqa 11023>TestAmerica. g f <br />