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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 /> Benzene 23.2 0.50 u9/1 25.0 93 70-120 <br /> Bromobenzene 25.2 0.50 ug/1 25.0 101 75-120 <br /> Bromochloromethane 24.4 0.50 ug/1 25.0 98 70-130 <br /> Bromodichloromethane 26.6 0.50 ug/1 25.0 106 70-135 <br /> Bromoform 22.8 0.50 ug/1 25.0 91 55-130 <br /> Bromomethane 23.4 1.0 ug/1 25.0 94 65-140 <br /> n-Butylbenzene 25.9 0.50 ug/1 25.0 104 70-130 <br /> sec-Butylbenzene 26.1 0.50 ug/1 25.0 104 70-125 <br /> tert-Butylbenzene 25.8 0.50 ug/1 25.0 103 70-125 <br /> Carbon tetrachloride 26.1 0.50 ug/1 25.0 104 65-140 <br /> Chlorobenzene 25.3 1.0 ug/1 25.0 101 75-120 <br /> Chloroethane 22.9 2.5 ug/1 25.0 92 60-140 <br /> Chloroform 25.0 0.50 ug/1 25.0 100 70-130 <br /> Chloromethane 20.6 1.0 ug/1 25.0 83 50-140 <br /> 2-Chlorotoluene 24.6 0.50 ug/1 25.0 99 70-125 <br /> 4-Chlorotoluene 25.0 0.50 ug/1 25.0 100 75-125 <br /> 1,2-Dibromo-3-chloropropane 24.5 1.0 ug/1 25.0 98 50-135 <br /> Dibromochloromethane 27.6 0.50 ug/1 25.0 111 70-140 <br /> 1,2-Dibromoethane(EDB) 24.3 0.50 ug/1 25.0 97 75-125 <br /> Dibromomethane 25.5 0.50 ug/1 25.0 102 70-125 <br /> 1,2-Dichlorobenzene 24.8 1.0 ug/1 25.0 99 75-120 <br /> 1,3-Dichlorobenzene 24.3 1.0 ug/1 25.0 97 75-120 <br /> 1,4-Dichlorobenzene 23.6 1.0 ug/1 25.0 94 75-120 <br /> Dichlorodifluoromethane 20.3 1.0 ug/1 25.0 81 35-155 <br /> 1,1-Dichloroethane 23.1 0.50 ug/1 25.0 92 70-125 <br /> 1,2-Dichloroethane 25.5 0.50 ug/1 25.0 102 60-140 <br /> 1,1-Dichloroethene 27.0 0.50 ug/1 25.0 108 70-125 <br /> cis-1,2-Dichloroethene 25.8 0.50 ug/1 25.0 103 70-125 <br /> trans-1,2-Dichloroethene 25.2 0.50 ug/1 25.0 101 70-125 <br /> 1,2-Dichloropropane 23.6 0.50 ug/1 25.0 94 70-125 <br /> 1,3-Dichloropropane 25.1 0.50 ug/1 25.0 100 70-120 <br /> 2,2-Dichloropropane 22.0 0.50 ug/1 25.0 88 65-140 <br /> cis-1,3-Dichloropropene 29.7 0.50 ug/1 25.0 119 75-125 <br /> trans-1,3-Dichloropropene 23.6 0.50 ug/1 25.0 94 70-125 <br /> 1,1-Dichloropropene 26.4 0.50 ug/1 25.0 106 75-130 <br /> Ethylbenzene 25.8 0.50 ug/1 25.0 103 75-125 <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,,@ttefffrn&fion*m TestAmerica. LSD2881 <Page 14 of 22> <br />