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Testmerica <br /> 1HE LEADER IN ENVIRONMENTAL TE$TING 17461 Dminn 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: 03/29/11-03/30/1) <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:11D0443 Extracted:04/05/11 <br /> Matrix Spike Dup Analyzed:04/06/2011(11D0443-MSDI) Source:IUD0117-03 <br /> Volatile Fuel Hydrocarbons(C4-C 12) 2.61 0.20 mg/kg 3.51 ND 74 50-140 3 25 <br /> Surrogate:Dlbromofluoromethane 0.0534 mg/kg 0.0508 105 80-115 <br /> Surrogate:Toluene-d8 0.0518 mg/kg 0.0508 102 80-120 <br /> Surrogate:4-Bromofluorobeniene 0.0482 mg/kg 0.0508 95 80-120 <br /> Batch: 11D0617 Extracted:04/06/11 <br /> Blank Analyzed:04/06/2011(11D0617-BLKI) <br /> Volatile Fuel Hydrocarbons(C4-C12) ND 0.20 mg/kg <br /> Surrogate:Dibromofluoromethane 0.0515 mg/kg 0.0500 103 80-125 <br /> Surrogate:Toluene-d8 0.0506 mg/kg 0.0500 101 80-120 <br /> Surrogate:4-Bromofluoroberlrene 0.0485 mg/kg 0.0500 97 80-120 <br /> LCS Analyzed:04/06/2011(11D0617-BS2) <br /> Volatile Fuel Hydrocarbons(C4-C 12) 0.874 0.20 mg/kg 1.00 87 60.135 <br /> Surrogate:Dibromofluoromethane 0,0512 mg/kg 0.0500 104 80-125 <br /> Surrogate:Toluene-d8 0.0518 mg/kg 0.0500 104 80-120 <br /> Surrogate:4-Bromofluorobemene 0.0493 mg/kg 0.0500 99 80-120 <br /> Matrix Spike Analyzed:04/06/2011(11D0617-MSI) - Source:IUC3240-09 <br /> Volatile Fuel Hydrocarbons(C4-Cl2) 2.49 - 0.20 mg/kg 3.45 ND 72 50-140 <br /> Surrogate:Dibromofluoromethane 0.0528 mg/kg 0.0500 106 80-125 <br /> Surrogate:Toluene-d8 0.0508 mg/kg 0.0500 102 80-120 <br /> Surrogate.!4-Bromofluorobenzene 0.0481 mg/kg 0.0500 96 80-120 <br /> Matrix Spike Dup Analyzed:04/06/2011(11D0617-MSDI) Source:IUC3240-09 <br /> Volatile Fuel Hydrocarbons(C4-C12) 2.41 0.20 mg/kg 3.43 ND 70 50-140 3 25 <br /> Surrogate:Dibramofluoromethane 0.0544 mg/kg 0.0497 109 80-125 <br /> Surrogate:Toluene-all? 0.0508 mg/kg 0.0497 102 80-120 <br /> Surrogate:4-Bromofluorobemene 0.0473 mg/kg 0.0497 95 80-120 <br /> TestArnerica Irvine <br /> Lena Davidkova For Philip Sanelle <br /> Project Manager <br /> The resultr permm only to the samples tested in the laboratory. This repart shall not be reproduced, <br /> esceplinrull,wlthoutwriltenpermissionjrom TesUmerica. IUC3240 <Page 13 of 23> <br />