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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: IIA3164 Extracted: 01/28/11 <br /> Blank Analyzed:01/28/2011(11A3164-BLKI) <br /> Trichlorotrifluoroethane(Freon 113) ND 5.0 0.50 ug/1 <br /> 1,2,4-Trimethylbenzene ND 1.0 0.23 ug/l <br /> 1,3,5-Trimethylbenzene ND 1.0 0.26 ug/l <br /> Vinyl acetate ND 5.0 1.0 ug/l <br /> Vinyl chloride ND 0.50 0.40 ug/l <br /> Xylenes,Total ND 1.5 0.90 ug/l <br /> Di-isopropyl Ether(DIPE) ND 1.0 0.25 ug/1 <br /> Ethyl tert-Butyl Ether(ETBE) ND 1.0 0.28 ug/1 <br /> Methyl-tert-butyl Ether(MTBE) ND 1.0 0.32 ug/l <br /> tert-Amyl Methyl Ether(TAME) ND 1.0 0.33 ug/1 <br /> tert-Butanol(TBA) ND 10 6.5 ug/l <br /> Ethanol ND 100 100 ug/l <br /> Surrogate:4-Bromofluorobenzene 24.2 ug/1 25.0 97 80-120 <br /> Surrogate:Dibromofluoromethane 28.0 ug/1 25.0 112 80-120 <br /> Surrogate:Toluene-d8 25.0 ug/1 25.0 100 80-120 <br /> LCS Analyzed:01/28/2011(11A3164-BS1) <br /> Acetone 19.2 10 4.5 ug/1 25.0 77 30-140 <br /> Benzene 23.0 0.50 0.15 ug/1 25.0 92 70-120 <br /> Bromobenzene 24.2 1.0 0.27 ug/1 25.0 97 75-120 <br /> Bromochloromethane 25.7 1.0 0.40 ug/1 25.0 103 70-130 <br /> Bromodichloromethane 24.5 1.0 0.30 ug/1 25.0 98 70-135 <br /> Bromoform 23.0 1.0 0.40 ug/1 25.0 92 55-130 <br /> Bromomethane 22.9 1.0 0.42 ug/1 25.0 91 65-140 <br /> 2-Butanone(MEK) 24.5 10 4.7 ug/1 25.0 98 40-140 <br /> n-Butylbenzene 23.9 1.0 0.37 ug/1 25.0 96 70-130 <br /> sec-Butylbenzene 24.6 1.0 0.25 ug/1 25.0 98 70-125 <br /> tert-Butylbenzene 23.9 1.0 0.22 ug/1 25.0 96 70-125 <br /> Carbon Disulfide 22.6 5.0 0.48 ug/1 25.0 90 50-130 <br /> Carbon tetrachloride 23.5 0.50 0.28 ug/1 25.0 94 65-140 <br /> Chlorobenzene 26.5 1.0 0.36 ug/1 25.0 106 75-120 <br /> Chloroethane 22.4 1.0 0.40 ug/1 25.0 89 60-140 <br /> Chloroform 22.5 1.0 0.33 ug/1 25.0 90 70-130 <br /> Chloromethane 22.2 1.0 0.40 ug/1 25.0 89 50-140 <br /> 2-Chlorotoluene 23.0 1.0 0.28 ug/1 25.0 92 70-125 <br /> 4-Chlorotoluene 23.5 1.0 0.29 ug/1 25.0 94 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 87 Of 112> <br />