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Environmental Labs <br /> 4946 Watt Avenue, #38 � <br /> North Highlands, CA 95660 ° <br /> (916)334-8661 <br /> OAJs,2C REPORT <br />' Attention Mr Dave Diem Date Analyzed 7-13-94 <br /> GEOCON Matrix Water <br />' 11333 Sunco Drive Suite 100 <br /> Rancho Cordova, CA 95742 <br />' LCS LCSD <br /> Compound % Recovery % Recovery <br /> Bromomcthane %82 "--- - %98 <br /> Chloroethane %75 %112 <br />' 7 rtchlorofluoromethane %83 %107 <br /> I,l-Dtehloroethene %84 %106 <br /> Methylene Chloride %94 %134 <br /> Trans-l,2-Dichloroethenc %70 %121 <br />' Chloroform %n80 %I18 <br /> 1,1-Dichloroethane %85 %121 <br /> 1,1,1-Trichloroethane %80 %116 <br /> Carbon Tetrachloride %77 %ill <br /> 1,2-Dtchlorocthane %85 %137 <br /> Trichloroethene 0/&86 %126 <br /> 1 2-Dichloropropane %77 %122 <br /> Bromodiehloromethane %76 %126 <br /> 1 Cts-1,3-Dtchloropropene %72 %122 <br /> Trans-1,3-Dtchlotopropene %74 %123 <br /> 1,1,2-7 rtchloroethane %80 %134 <br /> Torachloroet he ne %86 %128 <br />' Dftomochloromethane %73 %124 <br /> Chloroben7ene %77 %121 <br /> Bromororm %70 %120 <br /> 1,1,2,2-Tetrachloroethane %62 %x133 <br />' 1,3-Dtchloroben,,ene %76 %126 <br /> 1,4-Dtchloroben7ene %77 %127 <br /> 1,2-Dtchloroben7ene %74 51092 <br /> Spiked with 250 nanograms of analyte <br /> ppb = parts per billion = ug/L = microgram per Etter. <br /> NO = Not detected. Compound(s) may be present at concentrations below the reporting limit <br />' _ <br /> US LCSD <br /> Surrogate Recoveries Bromochlorotnethane _ X86 X124124 <br /> 4-Bromoftuorobenzene = X82 X127 <br /> 2-Bromochlorobenzene = X70 X130 <br />' ANALYTICAL PROCEDURES <br /> W--Halogenated volatiles are measured using EPA Method 601 which utilizes a purge and trap interfaced to a gas <br /> chromatograph (GC) equipped with an electrotytic conductivity detector <br /> 7-13-94 <br /> bo atory Representative Date Reported <br /> EXCELCHEM ENVIRONMENTAL LABS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br />' (Certification No 1760) <br />