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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 /> Matrix Spike Analyzed:04/28/2009(9D28025-MS1) Source:ISD2881-02 <br /> Hexachlorobutadiene 27.5 0.50 ug/1 25.0 ND 110 60-135 <br /> Isopropylbenzene 27.9 0.50 ug/1 25.0 ND 111 70-135 <br /> p-Isopropyltoluene 28.2 0.50 ug/1 25.0 ND 113 65-130 <br /> Methylene chloride 26.6 5.0 ug/1 25.0 ND 106 50-135 <br /> Naphthalene 30.5 0.50 ug/1 25.0 ND 122 50-140 <br /> n-Propylbenzene 28.6 0.50 ug/1 25.0 ND 114 70-135 <br /> Styrene 27.9 0.50 ug/1 25.0 ND 112 50-145 <br /> 1,1,1,2-Tetrachloroethane 28.9 0.50 ug/1 25.0 ND 116 65-140 <br /> 1,1,2,2-Tetrachloroethane 26.9 0.50 ug/1 25.0 ND 108 55-135 <br /> Tetrachloroethene 28.4 0.50 ug/1 25.0 ND 114 65-130 <br /> Toluene 28.2 0.50 ug/1 25.0 ND 113 70-125 <br /> 1,2,3-Trichlorobenzene 29.8 0.50 ug/1 25.0 ND 119 60-135 <br /> 1,2,4-Trichlorobenzene 30.8 0.50 ug/1 25.0 ND 123 65-135 <br /> 1,1,1-Trichloroethane 26.0 0.50 ug/1 25.0 ND 104 65-140 <br /> 1,1,2-Trichloroethane 28.2 0.50 ug/1 25.0 ND 113 65-130 <br /> Trichloroethene 27.9 0.50 ug/1 25.0 ND 111 65-125 <br /> Trichlorofluoromethane 24.6 0.50 ug/1 25.0 ND 98 60-145 <br /> 1,2,3-Trichloropropane 26.3 0.50 ug/1 25.0 ND 105 55-135 <br /> 1,2,4-Trimethylbenzene 28.7 0.50 ug/1 25.0 ND 115 55-135 <br /> 1,3,5-Trimethylbenzene 28.0 0.50 ug/1 25.0 ND 112 70-130 <br /> Vinyl chloride 24.8 0.50 ug/1 25.0 ND 99 45-140 <br /> m,p-Xylenes 59.5 1.0 ug/1 50.0 ND 119 65-130 <br /> o-Xylene 29.3 0.50 ug/1 25.0 ND 117 65-125 <br /> Xylenes,Total 88.8 1.5 ug/1 75.0 ND 118 60-130 <br /> Surrogate:4-Bromofluorobenzene 24.3 ugR 25.0 97 80-120 <br /> Surrogate:Dibromofluoromethane 24.3 ugR 25.0 97 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!Lern&fion*m TestAmerica. ISD2881 <Page 17 of 22> <br />