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TastAmarira THE LEADER IN ENVIRONMENTAL TESTING 1746113erian Avmae.Svitel00, Irvine,CA 92614(949)261-1022 Fax:(949)260-3297 Conestoga-Rovers&Associates-Emeryville Shell Project ID: 3515 Navy Dr.,Stockton,CA Sampled: 03/30/11-03/31/11 5900 Hollis St.,Suite A Emeryville,CA 94608 Report Number: IUD0117 Received: 04/02/11 Attention: Aubrey Cool VOLATILE FUEL HYDROCARBONS BY GC/MS (CA LUFT) Reporting Sample Dilution Date Date Data Analyte Method Batch Limit Result Factor Extracted Analyzed Qualifiers Sample ID:IUD0117-01(AS-7-5-Soil Sampled:03/30/11 Reporting Units: mg/kg Volatile Fuel Hydrocarbons(C4-Cl2) TPH by GC/MS IID0429 49 230 492 4/5/2011 4/6/2011 Surrogate:Dibromofluoromethane(55-140%) 83% Z3 Surrogate: Toluene-d8(60-140916) 94% Z3 Surrogate:4-Bromofluorobemene(65-140%) 107% Z3 Sample ID:IUD0117-02(AS-740-Soil) Sampled:03/30/11 Reporting Units: mg/kg Volatile Fuel Hydrocarbons(C4-Cl2) TPH by GC/MS I ID0429 9.9 15 99.2 4/5/2011 4/62011 Surrogate:Dibromofluoromethane(55-140%) 80% Surrogate:Toluene-d8(60-140%) 84% Surrogate:4-Bromofluorobemene(65-14001o) 83% Sample ID:IUD0117-05(AS-16-5-Soil) Sampled:03/31/11 Reporting Units: mg/kg Volatile Fuel Hydrocarbons(C4-C12) TPH by GC/MS I ID0443 0.20 0.20 1.02 4/5/2011 4/52011 Surrogate:Dibromofluoromethane(80-125%) 105% Surrogate: Toluene-d8(80-120916) 103% Surrogate:4-Bromofluorobemene(80-12091) 97% Sample ID:IUD0117-06(AS-16-]0-Soil) Sampled:03/31111 Reporting Units: mg/kg Volatile Fuel Hydrocarbons(C4-C12) TPH by GC/MS I ID0443 0.20 0.32 1.01 4/5/2011 4/52011 Surrogate:Dibromofluoromethane(80-125%) 107% Surrogate:Toluene-d8(80-120Vo) 103% Surrogate:4-Bromofluorobemene(80-120%) 95% Sample ID:IUD0117-09(AS-17-5-Soil) Sampled:03/31/11 Reporting Units: mg/kg Volatile Fuel Hydrocarbons(C4-C72) TPH by GC/MS I ID0587 0.98 31 4.9 4/6/2011 4/62011 Surrogate:Dibromofluoromethane(80-125%) 106% Surrogate:Toluene-d8(80-120%) 102% Surrogate:4-Bromofluorobemene(80-12001.) 114 Vo Sample ID:IUD0117-10(AS-17-10-Soil) Sampled:03/31/11 Reporting Units! mgfi g Volatile Fuel Hydrocarbons(C4-C12) TPH by GC/MS 1ID0589 9.9 39 98.7 4/6/2011 4/7/2011 Surrogate:Dibromofluoromethane(55-140%) 96% Surrogate: Toluene-d8(60-140%) 98% Surrogate:4-Bramofluorobemene(65-140016) 94% TestAmerica Irvine Pat Abe For Philip Sanelle Project Manager The resold perrotn only to the samples lea/ed In the laboratory This report shall not be reproduced, JUD0117 <page 4 of 23> except m full,without written permissionfram TestAmerica.