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XCLCH EM <br /> ENVIRONMENTAL LABS <br />' 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 <br /> Phone# (916) 773.3664 Fax# (916) 773-4784 <br /> QA,/QC REPORT <br /> 1 <br /> Attention: Mr. John Juhrend BTEK Analyzed: 05-10-95 <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 U,M 22-H 22H <br /> Reporting L.imit: 0 . 005 0 .005 0 . 005 0 . 005 <br /> QA/QC PARAMETER <br /> Matrix Blank ND ND ND ND <br /> 1 PERCENT RECOVERIES <br />' Matrix Spike 1.01$ 101% 101% 102% f <br /> Matrix Spike 92% 920 92% 920 <br /> Duplicate <br /> i <br /> ppm �.: parts per silliom - mg/Hg . m1111gras pow kilogram <br /> ND Not detected Compound(s) nay be present at concentrations below the reporting limit <br /> Ali surrogate i-eeoveries rare within 3o; or target values <br /> Spikes a Spike Dupl3catas ware each spiked with 250 ng BTEX standard_ ! <br /> =AI.XTICAL PROCEDURES <br /> BTEX-- Benzene, toluene, othyibenzene, and total xylene isomers (BTB%) aro neasured by extraction using EPA <br /> Method 5030 followed by analysis using EPA Method 8020 wbiCb utilIZOD A gas chromatograph (CC) equipped with <br /> a photoionisation detector (PID) <br /> Q5-10=95 <br /> La ora ory Representative Date Reported <br /> EXCELCHEM ENVIRONMENTAL LASS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> 1 DEPARTMENT OF HEALTH SERVICES AS A HASARDOUS WASTE TESTING LABORATORY <br /> (Certilicatlon NO 1760) <br />