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E CEL HEM <br /> ' ENVIRONMENTAL LABS <br /> ' 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 <br /> Phone"': (916) 773-3664 Fax#: (916) 773-4784 <br /> 1 OALQC REPORT <br /> ' Attention: Mr. Patrick Fischer Date Analyzed: 11-05-96 <br /> ESPANA GEOTECHNICAL Matrix: Soil <br /> 502 Giuseppe Court, Suite 1 I <br /> tRoseville, CA 95678 <br /> ' Project ; E168-1[Lodi Rail/Multimodal Station <br /> Matrix Spike Matrix Spire Duplicate <br /> Com ound %Recover %Recovery <br /> 1,1-dichloroethene 100% 96% <br /> benzene 102% 99% <br /> trichloroethene 97%n 95% <br /> toluene 103% 102% <br /> ' chlorobenzene 105% 103% <br /> ppm=Parts per million=ug!Kg=micrograms per gram <br /> ND =Not detected. Compound(s)may be present at concentrations below the reporting limit. <br /> ' ANALYTICAL PROCEDURES <br /> HV—Halogenated volatiles are measured using EPA Method 8240 which utilizes a purge and trap interfaced to a gas chromatograph(GC)equipped <br /> with a mass spectrometer. <br /> 11-11-96 <br /> ab ratory epresentative Date Reported <br /> E\CELCHEM ENVIRONMENTAL LABS IS CERTIFIED BY THE STATE OF CALI FORNtA <br /> 0EPARTMENIT OF HEALTH SEM ICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No.1760) <br />