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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: 11A2855 Extracted: 01/26/11 <br /> LCS Analyzed:01/26/2011(1IA2855-BS1) <br /> Di-isopropyl Ether(DIPS) 24.3 1.0 0.25 ug/1 25.0 97 60-135 <br /> Ethyl tert-Butyl Ether(ETBE) 23.9 1.0 0.28 ug/1 25.0 96 65-135 <br /> Methyl-tert-butyl Ether(MTBE) 22.0 1.0 0.32 ug/1 25.0 88 60-135 <br /> tert-Amyl Methyl Ether(TAME) 24.2 1.0 0.33 ug/1 25.0 97 60-135 <br /> tert-Butanol(TBA) 138 10 6.5 ug/1 125 111 70-135 <br /> Ethanol 176 100 100 ug/1 250 70 40-155 <br /> Surrogate:4-Bromofluorobenzene 24.8 ug/1 25.0 99 80-120 <br /> Surrogate:Dibromofluoromethane 25.2 ug/1 25.0 101 80-120 <br /> Surrogate:Toluene-d8 25.5 ug/1 25.0 102 80-120 <br /> Matrix Spike Analyzed:01/26/2011(I1A2855-MSI) Source:IUA1672-01 <br /> Acetone 18.9 10 4.5 ug/1 25.0 ND 76 20-150 <br /> Benzene 25.2 0.50 0.15 ug/1 25.0 ND 101 65-125 <br /> Bromobenzene 26.8 1.0 0.27 ug/1 25.0 ND 107 70-125 <br /> Bromochloromethane 28.6 1.0 0.40 ug/1 25.0 ND 114 65-135 <br /> Bromodichloromethane 27.1 1.0 0.30 ug/1 25.0 ND 109 70-135 <br /> Bromofonn 26.0 1.0 0.40 ug/1 25.0 ND 104 55-135 <br /> Bromomethane 25.3 1.0 0.42 ug/1 25.0 ND 101 55-145 <br /> 2-Butanone(MEK) 24.1 10 4.7 ug/1 25.0 ND 96 30-145 <br /> n-Butylbenzene 25.7 1.0 0.37 ug/1 25.0 ND 103 65-135 <br /> sec-Butylbenzene 26.6 1.0 0.25 ug/1 25.0 ND 107 70-125 <br /> tert-Butylbenzene 25.9 1.0 0.22 ug/1 25.0 ND 104 65-130 <br /> Carbon Disulfide 24.0 5.0 0.48 ug/1 25.0 ND 96 40-140 <br /> Carbon tetrachloride 26.2 0.50 0.28 ug/1 25.0 ND 105 65-140 <br /> Chlorobenzene 29.0 1.0 0.36 ug/1 25.0 ND 116 75-125 <br /> Chloroethane 24.4 1.0 0.40 ug/1 25.0 ND 97 55-140 <br /> Chlorofonn 24.7 1.0 0.33 ug/1 25.0 ND 99 65-135 <br /> Chloromethane 23.8 1.0 0.40 ug/1 25.0 ND 95 45-145 <br /> 2-Chlorotoluene 25.0 1.0 0.28 ug/1 25.0 ND 100 65-135 <br /> 4-Chlorotoluene 25.4 1.0 0.29 ug/1 25.0 ND 102 70-135 <br /> 1,2-Dibromo-3-chloropropane 26.9 5.0 0.97 ug/1 25.0 ND 108 45-145 <br /> Dibromochloromethane 30.8 1.0 0.40 ug/1 25.0 ND 123 65-140 <br /> 1,2-Dibromoethane(EDB) 27.4 1.0 0.40 ug/1 25.0 ND 110 70-130 <br /> Dibromomethane 27.0 1.0 0.36 ug/1 25.0 ND 108 65-135 <br /> 1,2-Dichlorobenzene 26.4 1.0 0.32 ug/1 25.0 ND 106 75-125 <br /> 1,3-Dichlorobenzene 26.4 1.0 0.35 ug/1 25.0 ND 106 75-125 <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 72 of 112> <br />