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TestAmedca <br /> THE LEADER IN EN V IR O NSA ENTAL TESTING 17461 Derian Avenue.Suite 100, Irvine,CA 92614(949)261-1022 Fax:(949)260-3297 <br /> Arcadis-Folsom Project ID: Storrie Derailment <br /> 950 Glenn Drive,Suite 125 Sampled: 01/17/11 <br /> Folsom,CA 95630 ReportNumber: IUA1672 Received: 01/19/11 <br /> Attention: Danielle Catlin-Wright <br /> METHOD BLANK/QC DATA <br /> VOLATILE ORGANICS with OXYGENATES by GC/MS (EPA 8260B) <br /> Reporting Spike Source %REC RPD Data <br /> Analyte Result Limit MDL Units Level Result %REC Limits RPD Limit Qualifiers <br /> Batch: IIA2855 Extracted: 01/26/11 <br /> Blank Analyzed:01/26/2011(11A2855-BLKI) <br /> tert-Butanol(TBA) ND 10 6.5 ug/l <br /> Ethanol ND 100 100 ug/l <br /> Surrogate:4-Bromofluorobenzene 24.0 ug/1 25.0 96 80-120 <br /> Surrogate:Dibromofluoromethane 28.2 ug/1 25.0 113 80-120 <br /> Surrogate:Toluene-d8 25.0 ug/1 25.0 100 80-120 <br /> LCS Analyzed:01/26/2011(11A2855-BS1) <br /> Acetone 18.2 10 4.5 ug/l 25.0 73 30-140 <br /> Benzene 24.0 0.50 0.15 ug/l 25.0 96 70-120 <br /> Bromobenzene 25.4 1.0 0.27 ug/l 25.0 102 75-120 <br /> Bromochloromethane 26.7 1.0 0.40 ug/l 25.0 107 70-130 <br /> Bromodichloromethane 25.6 1.0 0.30 ug/l 25.0 102 70-135 <br /> Bromoform 23.7 1.0 0.40 ug/l 25.0 95 55-130 <br /> Bromomethane 24.0 1.0 0.42 ug/l 25.0 96 65-140 <br /> 2-Butanone(MEK) 23.0 10 4.7 ug/l 25.0 92 40-140 <br /> n-Butylbenzene 25.2 1.0 0.37 ug/l 25.0 101 70-130 <br /> sec-Butylbenzene 25.7 1.0 0.25 ug/l 25.0 103 70-125 <br /> tert-Butylbenzene 24.9 1.0 0.22 ug/l 25.0 100 70-125 <br /> Carbon Disulfide 23.1 5.0 0.48 ug/l 25.0 92 50-130 <br /> Carbon tetrachloride 25.4 0.50 0.28 ug/l 25.0 101 65-140 <br /> Chlorobenzene 27.9 1.0 0.36 ug/l 25.0 112 75-120 <br /> Chloroethane 23.7 1.0 0.40 ug/l 25.0 95 60-140 <br /> Chloroform 23.5 1.0 0.33 ug/l 25.0 94 70-130 <br /> Chloromethane 22.6 1.0 0.40 ug/l 25.0 91 50-140 <br /> 2-Chlorotoluene 24.0 1.0 0.28 ug/l 25.0 96 70-125 <br /> 4-Chlorotoluene 24.6 1.0 0.29 ug/l 25.0 98 75-125 <br /> 1,2-Dibromo-3-chloropropane 24.5 5.0 0.97 ug/l 25.0 98 50-135 <br /> Dibromochloromethane 28.8 1.0 0.40 ug/l 25.0 115 70-140 <br /> 1,2-Dibromoethane(EDB) 25.9 1.0 0.40 ug/l 25.0 104 75-125 <br /> Dibromomethane 25.0 1.0 0.36 ug/l 25.0 100 70-125 <br /> 1,2-Dichlorobenzene 25.1 1.0 0.32 ug/l 25.0 100 75-120 <br /> 1,3-Dichlorobenzene 25.5 1.0 0.35 ug/l 25.0 102 75-120 <br /> 1,4-Dichlorobenzene 27.3 1.0 0.37 ug/l 25.0 109 75-120 <br /> Dichlorodifluoromethane 19.4 2.0 0.26 ug/l 25.0 77 35-155 <br /> 1,1-Dichloroethane 26.2 1.0 0.40 ug/l 25.0 105 70-125 <br /> 1,2-Dichloroethane 25.2 0.50 0.28 ug/l 25.0 101 60-140 <br /> TestAmerica Irvine <br /> Heather Clark <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,without written permission from TestAmerica. IUA1672 <Page 70 of 112> <br />