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TestAmeriaa <br /> THE LEAr3ER IN ENVIRONMENTAL TESTING 17461 Design Avenue.Suite 100, Irvine,CA 92614(949)261-1022 Fm:(949)260-3297 <br /> Conestoga-Rovers&Associates-Emeryville Shell Project ID: 3515 Nary Dr.,Stockton,CA <br /> 5900 Hollis St.,Suite A Sampled: 03/23/11 <br /> Emeryville,CA 94608 Report Number: IUC2973 Received: 03/29/11 <br /> Attention: Aubrey Cool <br /> VOLATILE ORGANICS by GC/MS(EPA 5030B/8260B) <br /> Reporting Sample Dilution Date Date Data <br /> Analyte Method Batch Limit Result Factor Extracted Analyzed Qualifiers <br /> Sample ID:TUC2973-05(AS-4-5 Soil) <br /> Reporting Units: mg/kg <br /> Benzene EPA 82608 IID0429 0.20 0.65 398 4/5/2011 4/5/2011 <br /> Ethylbenzene EPA 9260B 11D0429 0.20 14 398 4/5/2011 4/5/2011 <br /> Toluene EPA 82608 I ID0429 0.20 2.0 398 4/5/2011 4/52011 <br /> Xylenes,Total EPA 8260B 1ID0429 0.40 92 398 4/52011 4/52011 <br /> Di-isopropyl Ether(RIPE) EPA 8260B 11D0429 0.40 ND 398 4/52011 4/52011 <br /> Ethyl tert-Butyl Ether(ETBE) EPA 8260B 11D0429 0.40 ND 398 4/52011 4/5/2011 <br /> Methyl-tett-butyl Ether(MTBE) EPA 8260E 11D0429 0,40 ND 398 4/52011 4/52011 <br /> tert-Amyl Methyl Ether(TAME) EPA 8260B 11DO429 0.40 ND 398 4/52011 4/52011 C <br /> tert-Butanol(TBA) EPA 8260B 11D0429 4.0 ND 398 4/52011 4/52011 <br /> Surrogate:4-BromoJluorobenzene(65-140%) 133% <br /> Surrogate:DibromoJluoromerhane(55-140%) 85% <br /> Surrogate:Toluene-d8(60-140%) 97% <br /> Sample ID:IUC2973-06(AS-4-10-Soil) <br /> Reporting Units: mg/kg <br /> Benzene EPA 8260B IID0429 0.25 4.0 500 4/52011 4/62011 <br /> Ethylbenzene EPA 8260B 11 D0429 0.25 25 500 4/52011 4/62011 <br /> Toluene EPA 8260E 11DO429 0.25 0.69 500 4/52011 4162011 <br /> Xylenes,Total EPA 82606 11D0429 0.50 110 500 4/52011 4/62011 <br /> Di-isopropyl Ether(RIPE) EPA 8260B 1 I D0429 0.50 ND 500 4/52011 4/62011 <br /> Ethyl ten-Butyl Ether(ETBE) EPA 8260B 11D0429 0.50 ND 500 4/52011 4/62011 <br /> Methyl-tett-butyl Ether(MTBE) EPA 8260B I ID0429 0.50 ND 500 4/52011 4/62011 <br /> tert-Amyl Methyl Ether(TAME) EPA 8260B 11D0429 0.50 ND 500 4/52011 4/62011 <br /> Cert-Butanol(TBA) EPA 8260E I1D0429 5.0 ND 500 4/52011 4/62011 <br /> Surrogate:4-BromoJluorobenzene(65-140%) 130% Z3 <br /> Surrogate:Dibromojluoromethane(55-140%) 83% 7 <br /> Surrogate:2"oluene-d8(60-140%) 98910 13 <br /> TestAmerica Irvine <br /> Lena Davidkova For Philip Sanelle <br /> Project Manager <br /> The results perlaln only to the samples lesled in the laboratory. This repor/shallwol be reproduced, <br /> exceptinfull,,wnhmrwriuenpermissionjrom TestAmerica. IUC2973 <page50j1l> <br />