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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 /> LCS Analyzed:04/28/2009(9D28025-BS1) <br /> Hexachlorobutadiene 25.2 0.50 u9/1 25.0 101 65-135 <br /> Isopropylbenzene 25.8 0.50 ug/1 25.0 103 75-130 <br /> p-Isopropyltoluene 25.5 0.50 ug/1 25.0 102 75-125 <br /> Methylene chloride 27.3 5.0 ug/1 25.0 109 55-130 <br /> Naphthalene 26.5 0.50 ug/1 25.0 106 55-135 <br /> n-Propylbenzene 25.7 0.50 ug/1 25.0 103 75-130 <br /> Styrene 26.0 0.50 ug/1 25.0 104 75-130 <br /> 1,1,1,2-Tetrachloroethane 26.1 0.50 ug/1 25.0 104 70-130 <br /> 1,1,2,2-Tetrachloroethane 24.4 0.50 ug/1 25.0 97 55-130 <br /> Tetrachloroethene 25.8 0.50 ug/1 25.0 103 70-125 <br /> Toluene 25.1 0.50 ug/1 25.0 100 70-120 <br /> 1,2,3-Trichlorobenzene 26.0 0.50 ug/1 25.0 104 65-125 <br /> 1,2,4-Trichlorobenzene 26.1 0.50 ug/1 25.0 104 70-135 <br /> 1,1,1-Trichloroethane 23.6 0.50 ug/1 25.0 94 65-135 <br /> 1,1,2-Trichloroethane 25.5 0.50 ug/1 25.0 102 70-125 <br /> Trichloroethene 25.4 0.50 ug/1 25.0 102 70-125 <br /> Trichlorofluoromethane 24.2 0.50 ug/1 25.0 97 65-145 <br /> 1,2,3-Trichloropropane 24.2 0.50 ug/1 25.0 97 60-130 <br /> 1,2,4-Trimethylbenzene 26.1 0.50 ug/1 25.0 104 75-125 <br /> 1,3,5-Trimethylbenzene 25.3 0.50 ug/1 25.0 101 75-125 <br /> Vinyl chloride 24.1 0.50 ug/1 25.0 96 55-135 <br /> m,p-Xylenes 52.4 1.0 ug/1 50.0 105 75-125 <br /> o-Xylene 26.4 0.50 ug/1 25.0 106 75-125 <br /> Xylenes,Total 78.8 1.5 ug/1 75.0 105 70-125 <br /> Surrogate:4-Bromofluorobenzene 24.3 ugR 25.0 97 80-120 <br /> Surrogate:Dibromofluoromethane 24.5 ugR 25.0 98 80-120 <br /> Surrogate:Toluene-d8 24.7 ugR 25.0 99 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,witJwg(y@tte!L16rn&fion*m TestAmerica. LSD2881 <Page 15 of 22> <br />