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EXCEL.CHEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 14 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> A/ C REPORT <br /> • T <br /> Attention Mr Enc Case Date Analyzed 11-15-96 <br /> Sierra Pacific Groundwater Consultants, Inc Matrix Soil <br /> 4911 Windplay Dr, Suite 4 <br /> El Dorado Hills, CA 95762 <br /> ' Project 96-620/CTL <br /> Ethyl- Total <br /> Benzene Toluene benzene - Xylenes <br /> PPN4 PPM PPM PPM_ <br /> Reporting Lmt 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 98% 98% 98% 100% <br /> Matnx Spike 96% 96% 96% 98% <br />' <br /> Duplicate <br /> ppm parts per mill on=mg/Kg-milligram per kilogram <br /> ND =Not detected Compound(s)may be present at concentrations below the mportmg limit <br /> Ali surrogate recoveries were within 30%of target values <br /> Spikes&Spike Duplicates were each spiked rith 250 ng BTE:standard <br /> ANAL)TIC%I PROCEDLI2ES <br />' BTE\-BLnz`ne tolu�ne ctltylbx mine and total x3 Erna Isomers(B rE\)at,mea,ured by extractwn using EPA Method 5030 followed by anaksls <br /> using EPA Method 8020 which utilizes 3 gas chromatograph(C,C)equipped with a photolomzatcon detector(PID) <br /> 11-20-96 <br /> 4ara—tory Representative Date Reported <br />' E\CFI.CHF.h1r\V;RL)N\IENTAI I MS+SLrRTIFIED BY THE STATE OF CALIFORNIA <br /> DEPAF7'�+F^•T OF1'E1L'tr-15CR�'ICCS 1HAZARIX)USWASTETESTING LNBOR TOP) <br /> [�ert+6�atu+n N.17n0) <br />