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STLSubmission 2005-05-0333 <br /> Volatile Organic Compounds by 8260B (Low Level) <br /> URS-San Francisco, CA <br /> Attn Erik Skov <br />' 221 Main Street#600 <br /> San Francisco, CA 94105 <br />' Phone (415)896-5858 Fax (415)882-9261 <br /> Project 38066866 04000 Received 05/1112005 16 41 <br /> Goodwin Procter Unifirst <br />' Batch QC Report <br />' Prep(s) 5030B Test(s) 8260B <br /> Method Blank Water QC Batch #2005105118-01 60 <br /> MB 2005/05/18-01 60-023 Date Extracted 05/18/2005 10 23 <br /> Compound Conc RL Unit Analyzed Fla <br /> Dichlorodifluoromethane ND 05 ug/L 05/18/2005 10 23 <br /> 1,1-Dichloroethane ND 05 ug/L 05/1812005 10 23 <br /> 1,2-Dichloroethane NO 05 ug/L 05/18/2005 10 23 <br /> 1,1-Dichloroethene NO 05 ug/L 05/18/2005 10 23 <br /> 10 <br /> cis-1,2-Dichloroethene ND 05 ug/L 05/18/2005 10 23 <br /> trans-1,2-Dichloroethene ND 05 ug/L. 05/18/2005 10 23 <br /> 1,2-Dichloropropane NO 05 ug/L 05/18/2005 10 23 <br /> cis-1,3-Dichloropropene ND 05 ug/L 05/18/2005 10 23 <br />' <br /> trans-l,3-Dichloropropene ND 05 ug/L 05/18/2005 10 23 <br /> Ethylbenzene ND 05 ug/L 05/18/2005 10 23 <br /> Hexachlorobutadiene ND 1 0 uglL 05/18/2005 10 23 <br /> 2-Hexanone ND 50 ug/L 05/18/2005 10 23 <br /> Isopropylbenzene ND 05 ug/L 05/18/2005 10 23 <br /> p-Isopropyltoluene NO 1 0 ug/L 05/18/2005 10 23 <br />' Methylene chloride NO 50 ug/L 05/18/2005 10 23 <br /> 4-Methyl-2-pentanone (MIBK) NO 50 ug/L 05/18/2005 10 23 <br /> Naphthalene ND 1 0 ug/L 05/18/2005 10 23 <br /> n-Propylbenzene ND 1 0 ug/L. 05/18/2005 10 23 <br />' Styrene ND 0 5 ug/L 05/18/2005 10 23 <br /> 1,1,1,2-Tetrachloroethane NO 0 5 ug/L 05/18/2005 10 23 <br /> 1,1,2,2-Tetrachloroethane NO 0 5 ug/L. 05/18/2005 10 23 <br />' Tetrachloroethene ND 0 5 ug/L 05/18/2005 10 23 <br /> Toluene NO 0 5 ug/L 05/18/2005 10 23 <br /> 1,2,3-Tnchlorobenzene ND 1 0 uglL 05/18/2005 10 23 <br />' 1,2,4-Tnchlorobenzene ND 1 0 ug/L 05/18/2005 10 23 <br /> 1,1,1-Trichloroethane ND 0 5 ug/L 05/18/2005 10 23 <br /> 1,1,2-Trichloroethane NO 05 ug/L 05/18/2005 10 23 <br /> Trichloroethene NO 0 5 ug/L 05/18/2005 10 23 <br /> Trichlorofluoromethane NO 1 0 ug/L. 05/18/2005 10 23 <br /> Trichlorotrifluoroethane ND 0 5 ug/L 05/18/2005 10 23 <br /> 1,2,4-Tnmethylbenzene ND 105 1 u /L 1 05/18/2005 10 23 <br /> Severn Trent Laboratories, Inc 05119/200515 26 <br /> STL San Francisca•1220 Quarry Lane Pleasanton CA 94566 <br /> A Pert of Severn Tmnl Plc Tel 925 484 1919 Fax 925 484 1096'www stl-ine eom'CA DHS ELAP#2496 Page 15 of 19 <br />