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TestAmedca <br /> THE LEADER IN ENVIRONMr=NTAL TESTING 17461 Derian Avenue.Suite 100, Irvine,CA 92614(949)261-1022 Fax:(949)260-3297 <br /> TestAmerica San Francisco Project ID: 720-19209 <br /> 1220 Quarry Lane Sampled: 04/15/09-04/17/09 <br /> Pleasanton,CA 94566 Report Number: ISD2881 Received: 04/25/09 <br /> Attention: Dimple Sharma <br /> METHOD BLANK/QC DATA <br /> VOLATILE ORGANICS by GC/MS (EPA 5030B/8260B) <br /> Reporting Spike Source %REC RPD Data <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Qualifiers <br /> Batch:9D28025 Extracted:04/28/09 <br /> Blank Analyzed:04/28/2009(9D28025-BLK1) <br /> Hexachlorobutadiene ND 0.50 u9/1 <br /> Isopropylbenzene ND 0.50 ug/1 <br /> p-Isopropyltoluene ND 0.50 ug/1 <br /> Methylene chloride ND 5.0 ug/1 <br /> Naphthalene ND 0.50 ug/1 <br /> n-Propylbenzene ND 0.50 ug/1 <br /> Styrene ND 0.50 ug/1 <br /> 1,1,1,2-Tetrachloroethane ND 0.50 ug/1 <br /> 1,1,2,2-Tetrachloroethane ND 0.50 ug/1 <br /> Tetrachloroethene ND 0.50 ug/1 <br /> Toluene ND 0.50 ug/1 <br /> 1,2,3-Trichlorobenzene ND 0.50 ug/1 <br /> 1,2,4-Trichlorobenzene ND 0.50 ug/1 <br /> 1,1,1-Trichloroethane ND 0.50 ug/1 <br /> 1,1,2-Trichloroethane ND 0.50 ug/1 <br /> Trichloroethene ND 0.50 ug/1 <br /> Trichlorofluoromethane ND 0.50 ug/1 <br /> 1,2,3-Trichloropropane ND 0.50 ug/1 <br /> 1,2,4-Trimethylbenzene ND 0.50 ug/1 <br /> 1,3,5-Trimethylbenzene ND 0.50 ug/1 <br /> Vinyl chloride ND 0.50 ug/1 <br /> m,p-Xylenes ND 1.0 ug/1 <br /> o-Xylene ND 0.50 ug/1 <br /> Xylenes,Total ND 1.5 ug/1 <br /> Surrogate:4-Bromofluorobenzene 22.7 ugR 25.0 91 80-120 <br /> Surrogate:Dibromofluoromethane 24.1 ugR 25.0 96 80-120 <br /> Surrogate:Toluene-d8 24.5 ugR 25.0 98 80-120 <br /> TestAmerica Irvine <br /> D.J.Watson <br /> Project Manager <br /> The results pertain only to the samples tested in the laboratory. This report shall not be reproduced, <br /> except in full,wi1w9(Y,,@ttef4rn&fion*m TestAmerica. ISD2881 <Page 13 of 22> <br />