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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: 01/18/11 <br /> Folsom,CA 95630 ReportNumber: IUA1808 Received: 01/20/11 <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(11A2855-BS1) <br /> Methylene chloride 25.9 5.0 0.95 ug/l 25.0 104 55-130 <br /> Naphthalene 24.9 1.0 0.41 ug/l 25.0 100 55-135 <br /> n-Propylbenzene 25.5 1.0 0.27 ug/l 25.0 102 75-130 <br /> Styrene 26.5 1.0 0.20 ug/l 25.0 106 75-130 <br /> 1,1,1,2-Tetrachloroethane 26.7 1.0 0.27 ug/l 25.0 107 70-130 <br /> 1,1,2,2-Tetrachloroethane 23.6 1.0 0.30 ug/l 25.0 94 55-130 <br /> Tetrachloroethene 27.1 1.0 0.32 ug/l 25.0 108 70-125 <br /> Toluene 24.1 0.50 0.36 ug/l 25.0 97 70-120 <br /> 1,2,3-Trichlorobenzene 23.4 1.0 0.30 ug/l 25.0 94 65-125 <br /> 1,2,4-Trichlorobenzene 24.2 1.0 0.48 ug/l 25.0 97 70-135 <br /> 1,1,1-Trichloroethane 26.6 1.0 0.30 ug/l 25.0 106 65-135 <br /> 1,1,2-Trichloroethane 24.1 1.0 0.30 ug/l 25.0 96 70-125 <br /> Trichloroethene 26.8 1.0 0.26 ug/l 25.0 107 70-125 <br /> Trichlorofluoromethane 23.9 1.0 0.34 ug/l 25.0 96 65-145 <br /> 1,2,3-Trichloropropane 23.8 1.0 0.40 ug/l 25.0 95 60-130 <br /> 1,2,4-Trimethylbenzene 24.9 1.0 0.23 ug/l 25.0 100 75-125 <br /> 1,3,5-Trimethylbenzene 25.0 1.0 0.26 ug/l 25.0 100 75-125 <br /> Vinyl acetate 16.1 5.0 1.0 ug/l 25.0 64 45-145 <br /> Vinyl chloride 23.0 0.50 0.40 ug/l 25.0 92 55-135 <br /> Xylenes,Total 78.6 1.5 0.90 ug/l 75.0 105 70-125 <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/l 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/l 125 111 70-135 <br /> Ethanol 176 100 100 ug/l 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 /> TestAmerica Irvine <br /> Pat Abe For 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. IUA1808 <Page 41 of 64> <br />