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PA <br /> EXCELCHEM <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 /> Attention: Mr. John Bower BTEX Analyzed : 08-08-96 <br /> SECOR Matrix: Soil <br /> 1787 Tribute Road, Suite C <br /> Sacramento, CA 95815 <br /> -i <br /> Project: Jo710-001-01 <br /> lzj Ethyl- Total <br /> Benzene Toluene benzene Xylenes <br /> PPM PPM PPM PPM <br /> R rtin Limit: 0.005 0.005 0.005 0.005 <br /> ff QA/QC PARAMETER <br /> Matrix Blank ND ND ND ND <br /> PERCENT RECOVERIES <br /> Matrix Spike 93% 94% 94% 93% <br /> Matrix Spike 95% 95% 94% 94% <br /> `<< plicate <br /> wn—Parts Per million mg/Kg=milligram per kilogram --- — <br /> ND —Not detected. CompourWs)may be present at concentrations below the reporting limit. <br /> All sacro=ate recoveries were within 30%of taget values <br /> Spikes do Spike Duplicates were each spiked with 250 n;BTEX standard. <br /> ANALYTICAL,PROCEDURES <br /> BTEX—Batzene,toluene,cthylbcru=w,and total xylene isomers(BTEX)are measuued by extraction using EPA Method 5030 followed by analysis <br /> using EPA Method 8020 which utilizes a gas ehrornatograph(GC)equipped with a photoionization detector(PID). <br /> 08-09-96 <br /> �jb �W_ory Representative Date Reported <br /> i <br /> EXC ELCHEM E IPARONMENTAL LABS IS COMFI W BY THE STATE OF CALIFORNIA <br /> DFPARI•MEW OF HEAL HSERNCES ASA HAZARDOUS WASTETE5MG LABORATORY <br /> (CsruGclian Na 176%2I19) <br />