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Page 21 of 40 <br /> alscience <br /> > nvironmenta/ Analytical Report <br /> aborator/es,Inc. <br /> Conestoga-Rovers&Associates Date Received: 07/17/13 <br /> 19449 Riverside Drive, Suite 230 Work Order: 13-07-1058 <br /> Sonoma, CA 95476-6955 Preparation: EPA 5030C <br /> Method: EPA 82608 <br /> Units: ug/L <br /> Project: Cordes Ranch, Hansen Road,Tracy, CA Page 7 of 12 <br /> Client Sample Number Lab Sample Date/Time Matrix Instrument Date Date/time QC Batch ID <br /> Number Collected Prepared Analyzed <br /> MW-12 13.07.1058.13-A 07/15/13 Aqueous GC/MS XX 07118113 07/18/13 1307181-01 <br /> 13:33 19:55 <br /> Parameter Result RL DF Qualifiers <br /> Benzene ND 0.50 1 <br /> Ethylbenzene ND 1.0 1 <br /> Toluene ND 1.0 1 <br /> p/m-Xylene ND 1.0 1 <br /> o-Xylene ND 1.0 1 <br /> Xylenes(total) ND 1.0 1 <br /> Surrooate Rea % Control Limits Qualifiers <br /> 1,4-Bromofluorobenzene 94 80-120 <br /> Dibromofluoromethane 105 80-126 <br /> 1,2-Dichloroethane-d4 109 80-134 <br /> Toluene-d8 101 80-120 0 <br /> MW-13B 13-07-1058-14-A 07/15/13 Aqueous GC/MS XX 07/18/13 07118/13 1307181-01 <br /> 13:00 20:24 <br /> Parameter Result EL DF Qualiflers <br /> Benzene ND 0.50 1 <br /> Ethylbenzene ND 1.0 1 <br /> Toluene ND 1.0 1 <br /> plm-Xylene ND 1.0 1 <br /> o-Xylene ND 1.0 1 <br /> Xylenes(total) ND 1.0 1 <br /> Surrooate Rec. % Control Limits Qualiflers <br /> 1,4-Bromofluorobenzene 91 80-120 <br /> Dibromofluoromethane 100 80-126 <br /> 1,2-Dichloroethane-d4 98 80-134 <br /> Toluene-d8 99 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 />