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J00-0STgT0s United States Environmental Protection Agency <br /> Region 9 Laboratory <br /> °2 1337 S.46th Street, Building 201, Richmond, CA 94804 <br /> 44 PRo'�'�' Phone:(510)412-2300 Fax:(510)412-2302 <br /> Project Manager: Carolyn Douglas Brownfields and Site Assessment Section SDG: 11021B <br /> Project Number: RI IB03 75 Hawthorne Street Reported: 02/22/11 13:18 <br /> Project: El Concilio Site#2 2011 TBA San Francisco CA,94105 <br /> Sample Results <br /> Reanalysis/ Qualifiers/ Quantitation <br /> Analyte Extract Result Comments Limit Units Batch Prepared Analyzed Method <br /> Lab ID: 1101029-07 Soil-Sampled:01/20/1108:15 <br /> Sample ID: EC2-S-10-2.5 Volatile Organic Compounds by EPA Method 8260C <br /> 1,3-Dichloropropane ND U 300 ug/kg dry BlAO098 01/21/11 01/25/11 8260C/SOP305 <br /> 2-Hexanone ND U 2,400 8260C/SOP305 <br /> Chlorodibromomethane ND U 300 8260C/SOP305 <br /> 1,2-Dibromoethane(EDB) ND U 300 8260C/SOP305 <br /> Chlorobenzene ND U 300 8260C/SOP305 <br /> Ethylbenzene ND U 300 8260C/SOP305 <br /> m&p-Xylene ND U 590 8260C/SOP305 <br /> o-Xylene ND U 300 8260C/SOP305 <br /> Styrene ND U 300 8260C/SOP305 <br /> Bromofonn ND C3,J,U 300 8260C/SOP305 <br /> 1,1,2,2-Tetrachloroethane ND U 300 8260C/SOP305 <br /> 1,2,3-Trichloropropane ND U 300 8260C/SOP305 <br /> 1,3-Dichlorobenzene ND U 300 8260C/SOP305 <br /> 1,4-Dichlorobenzene ND U 300 8260C/SOP305 <br /> 1,2-Dichlorobenzene ND U 300 8260C/SOP305 <br /> 1,2-Dibromo-3-chloropropane ND C3,J,U 1,200 8260C/SOP305 <br /> Surrogate:1,2-Dichloroethane-d4 118% 33-172% " <br /> Surrogate:Toluene-d8 107% 54-174% " <br /> Surrogate:4-Bromofluorobenzene 108% 32-170% <br /> Surrogate:1,2-Dichlorobenzene-d4 110% 33-174% <br /> Lab ID: 1101029-08 Soil-Sampled:01/20/1108:20 <br /> Sample ID: EC2-S-10-5 Volatile Organic Compounds by EPA Method 8260C <br /> Dichlorodifluoromethane ND U 330 ug/kg dry BlAO098 01/21/11 01/25/11 8260C/SOP305 <br /> Chloromethane ND U 330 8260C/SOP305 <br /> Vinyl chloride ND U 330 " 8260C/SOP305 <br /> Bromomethane ND U 330 8260C/SOP305 <br /> Chloroethane ND J,Q6,U 330 8260C/SOP305 <br /> Trichlorofluoromethane ND U 330 8260C/SOP305 <br /> 1,1-Dichloroethene ND U 330 8260C/SOP305 <br /> 1,1,2-Trichloro-1,2,2-trifluoroethane ND U 330 8260C/SOP305 <br /> Acetone ND U 2,600 " 8260C/SOP305 <br /> Carbon disulfide ND U 330 8260C/SOP305 <br /> Dichloromethane ND J,Q4,U 330 8260C/SOP305 <br /> trans-1,2-Dichloroethene ND Q4,J,U 330 8260C/SOP305 <br /> tert-Butyl methyl ether(MTBE) ND J,Q4,U 1,300 8260C/SOP305 <br /> 1,1-Dichloroethane ND J,Q4,U 330 8260C/SOP305 <br /> 1101029 FINAL 02 22 11 1318 Page 6 of 15 <br />