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Page 13 of 31 <br /> alscience <br /> nvironmenta! Analytical Report <br /> aboratories, Inc. <br /> Conestoga-Rovers&Associates Date Received: 05/22/14 <br /> 19449 Riverside Drive, Suite 230 Work Order: 14-05-1684 <br /> Sonoma, CA 95476-6955 Preparation: EPA 5030C <br /> Method: EPA 8260B <br /> Units: ug/kg <br /> Project: Cordes Ranch, Hansen Road,Tracy, CA Page 2 of 7 <br /> Client Sample Number Lab Sample - Date/Time Matrix Instrument Dale Datelrime QC Batch ID <br /> Number Collected Prepared Analyzed <br /> 1-1312.15 14-05-1684.3-A 05/20/14 Solid GC/MS Q 05/22/14 05/22/14 140522L016 <br /> 12:30 21:09 <br /> Parameter Result RL DF Qualifiers <br /> Benzene ND 4.9 1.00 <br /> Ethylbenzene ND 4.9 1.00 <br /> Toluene ND 4.9 1.00 <br /> pim-Xylene ND 4.9 1.00 <br /> o-Xylene ND 4.9 1.00 <br /> Xylenes(total) ND 4.9 1.00 <br /> Surrociate Rec. Control Limits Qualifiers <br /> 1,4-Bromofluorobenzene 94 60-132 <br /> Dibromofluoromethane 102 63-141 <br /> 1,2-Dichloroethane-d4 112 62-146 <br /> Toluene-d8 102 80-120 <br /> 1-805.5 14-05-1684-4-A 05/21/14 Solid GC/MS Q 05122/14 05/22114 140522L016 <br /> 09:17 21:36 <br /> Parameter Result RL DF Qualiflers <br /> Benzene ND 5.0 1.00 <br /> Elhylbenzene ND 5.0 1.00 <br /> Toluene ND 5.0 1.00 <br /> p/m-Xylene ND 5.0 1.00 <br /> o-Xylene ND 5.0 1.00 <br /> Xylenes(total) ND 5.0 1.00 <br /> Surrogate Rec. % Control Limits Qualifiers <br /> 1,4-Bromofluorobenzene 95 60-132 <br /> Dibromofluoromethane 105 63-141 <br /> 1,2-Dichloroelhane-d4 114 62-146 <br /> Toluene-d8 103 80-120 <br /> RL: Reporting Limit. DF: Dilution Factor. MDL: Method Detection Limit. <br /> 7440 Lincoln Way,Garden Grove,CA 92841-1427 • TEL:(714)895-5494 FAX:(714)894-7501 <br />