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Page 18 of 31 <br /> Q.a1science <br /> nvironmental 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 7 of 7 <br /> Client Sample Number Lab Sample Date/Time Matrix Instrument Date Date/Time QC Batch ID <br /> Number Collected Prepared Analyzed <br /> Method Blank 099-12-796-B501 N/A Solid GC/MS Q 05/22/14 05/22/14 140522L016 <br /> 15:25 <br /> Parameter Result RL OF Qualifiers <br /> Benzene NO 5.0 1.00 <br /> Ethylbenzene ND 5.0 1.00 <br /> Toluene NO 5.0 1,00 <br /> p/m-Xylene NO 5.0 1.00 <br /> o-Xylene ND 5.0 1.00 <br /> Xylenes(total) NO 5.0 1.00 <br /> Surrogate Rec W Control Limits Qualifiers <br /> 1,4-Bromofluorobenzene 95 60-132 <br /> Dibromofluoromethane 106 63-141 <br /> 1,2-Dichloroelhane-d4 117 62-146 <br /> Toluene-d8 102 80-120 <br /> Method Blank 099.12-796-8510 N/A Solid GG/MS Q 05/23/14 05/23/14 140523L035 <br /> 14:12 <br /> Parameter Result RL OF Qualifiers <br /> Benzene NO 5.0 1.00 <br /> Ethylbenzene NO 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) NO 5.0 1.00 <br /> Surrogate Rec. % Control Limits Qualifiers <br /> 1,4-Bromofluorobenzene 94 60-132 <br /> Dibromofluoromethane 104 63-141 <br /> 1,2-Dichloroethane-d4 107 62-146 <br /> Toluene-d8 101 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 />