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TestAmerica <br /> THE LEADER IN ENVIRONMENTAL TESTING 17461 Der.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: 04/08/11 <br /> Emeryville,CA 94608 ReportNumber: IUD1020 Received: 04/12/11 <br /> Attention: Aubrey Cool <br /> METHOD BLANK/QC DATA <br /> VOLATILE FUEL HYDROCARBONS BY GCIMS(CA LUM <br /> Reporting Spike Source %REC RPD Data <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Qualifiers <br /> Batch: 11D2102 Extracted:04/17/11 <br /> Matrix Spike Analyzed:04/172011(11D2102-MSI) Source:IUDI363-14 <br /> Volatile Fuel Hydrocarbons(C4-C 12) 2.46 0.19 mg/kg 3.30 ND 74 50-140 <br /> Surrogate:DibromoJluoromethane 0.0509 mg/kg 0.0479 106 80-115 <br /> Surrogate:Toluene-d8 0.0503 mg/kg 0.0479 105 80-110 <br /> Surrogate:4-BromoJluorobemene 0.0463 mg/kg 0.0479 97 80-110 <br /> Matrix Spike Dup Analyzed:04/172011(11D2102-MSDI) Source:IUD1363-14 <br /> Volatile Fuel Hydrocarbons(C4-C12) 2.14 0.19 mg/kg 3.24 ND 66 50-140 14 25 <br /> Surrogate:Dibromofluoromethane 0.0485 mg/kg 0.0470 103 80-115 <br /> Surrogate:Toluene-d8 0.0495 mg/kg 0.0470 105 80-110 <br /> Surrogate;4-Bromofluorobemene 0.0446 mg/kg 0.0470 95 80-110 <br /> TestAmerica Irvine <br /> Philip Sanelle <br /> Project Manager <br /> The results pertain only to the samples tested In the laboratory. This report shall not be reproduced, (UD1020 ¢ <br /> exceptinfull,wlrhoutwnuenpermissionfrom TesN <P¢ 8 0f 15>S <br />