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r <br /> EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 0 <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> OA/OC REPORT <br /> Attention: Vic Chernen Date Analyzed 11-29-95 <br /> I <br /> UPGRADIENT Matrix Soil <br /> 3369 Kimberly Road <br /> Cameron Park, CA 95682 <br /> Project 95044 / J&L Market <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 95% 92% 92% 93% <br /> Matrix Spike 96% 93% 94% 95% <br /> Duplicate <br /> ppm = parts per million = mg/Kg = milligram per kilogram <br /> ND = Not detected Compound(s) may be present at concentrations below the reporting limit <br /> AU surrogate recoveries were within 30%of target values. <br /> Spikes&Spike Duplicates were each spiked with TSO ng BTEX standard- <br /> ANALYTICAL <br /> tandardANALYTICAL PROCEDURES <br /> Er EX—Benzene,toluene,ethylbenzene,and total xylene isomers(BTEX)are measured by extraction using EPA Method 5030 followed <br /> by analysis using EPA Method 6020 which utthzes a gas chromatograph (GC)equipped with d photoionization detector(PID) <br /> s __� 12-04-95 <br /> bo tory Representative Date Reported <br /> EXCELCHEM ENVIRONMENTAL LABS IS CEPTIF-ED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HE4LTH SERVICES AS A HAZARDOUS WASTE TFSTING LABORATOR) <br /> {Certlhcation'4o -,760, <br />