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EXCELCH EM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 a <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> ()A/()C REPORT <br /> Attention Mr Alan Klein BTEX Analyzed 08-29-96 <br /> FUGRO-WEST, INC Matrix Soil <br /> 1050 Melody Lane, Suite 160 <br /> Roseville, CA 95678 <br /> Project 9647-0771/Lopez Prop <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes <br /> PPM PPM PPM PPM <br /> Reporting Limit 0 005 0 005 0 005 0 005 <br /> QA/QC PARAMETER <br /> Matrix Blank ND ND ND ND <br /> PERCENT RECOVERIES <br /> Matrix Spike 111% 113% 113% 115% <br /> Matrix Spike 106% 107% 108% 109% <br /> Duplicate <br /> ppm=parts per million=mg/kg-milligram per kilogram <br /> ND =Not detected Compound(s)may be present at-oncentrations below the reporting limit <br /> All surrogate recoveries were within 30%of tames values <br /> Spikes&Spike Dupheates were each spd.ed with 250 ng BTEC standard <br /> ANALYTICAL PROCEDURES <br /> BTEY--Benzene,toluene ethvibenzene and total xi-f=e isomers(BTE`)are measured by extraction using EPA Method 5030 followed by anaNsis <br /> using EPA Method 8020 which utilizes a gas chromaaagraph(GC)equipped with a photolomzation detector(PID) <br /> I <br /> i <br /> 09-04-96 <br /> abo tory Representative Date Reported <br /> E\CELCHE\t E\4 SInONM ENTAL LABS tS CERTIFIED BY THE SPATE OF CALIFORNIA <br /> DEPART\IE\TOF HEe LTH SERVICES PSA HAZARDOUS WASTETESPINC LABORATORY <br /> (Certification Na.1750) <br />