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EXCELCHEM <br /> ENVIRONMENTAL. LABS <br /> t 500 Giuseppe Court, Suite 9 <br /> q I <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> I <br /> 1 <br /> OA/OC REPORT <br /> Attention: Mr. John Juhrend BTEX Analyzed: 05--13-95 <br />' GEOCON Matrix: Soil <br /> 3235 Sunrise Blvd. , #6 <br /> Rancho Cordova, CA 95742 <br /> Project: 58100-06-11A <br /> Ethyl- Total <br />' Benzene Toluene benzene Xylenes <br /> PPM �,'PM FPM PPM <br /> Reporting Limit:0.005 0.005 0 .005 0 . 005 <br />' <br /> PARAMETER <br /> QA/QC <br /> Matrix Blank ND ND ND ND <br />' PERCENT RECOVERIES <br /> Matrix Spike 91% 91% 91% 92% <br /> Matrix Spike 86% 87% 87% 87% <br /> Duplicate <br /> ppm - parta per million � mq/Kq - milligram per kilogram <br /> HD Not detected compound(s) may be present at concentration¢ below tho reporting limit <br /> All surrggata rac"cwiem ware within 3oi of target values. <br /> Splices t spl.lra Duplicates worm each spliced with 250 n4 BTEX standard. <br /> A,LLLLYTICAL PROCEDURES <br /> DTRX-- Hensen, toluono, othylboasame, and total xylene lsomars (HTEX) aro measured by oxtraction using EPA <br /> Method 8030 followed by analysis using EPA Method 8020 which utilises a gas chromatograph (GC) oqu.ipped with <br />' e photoionisation detector (PIA) <br /> A � 57-�� 05-15-95 <br /> tory Representative Date Reported <br /> EXCELCHEM ENVIRONMENTAL LASS I9 CERTIFIED BY 7= STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br />' (Certification Ho 1750) <br />