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7-24-1996 2 57Ph1 FROM P 4 <br /> EXCEL.CHEM <br /> ENVIRONMENTAL LABS <br /> ; <br /> 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 9567$ = <br /> Phone#- (916) 773-3664 Pax# (916) 773-4784 <br /> OA/OC REPORT <br /> Attention Vie Cherven MTl'=3E Analyzed 07-01-96 <br /> Upgradient Environmental Matrix Water <br /> 1017 26th Street <br /> Sacramento, CA 95816 <br /> Project 4 96006 <br /> MTBE <br /> PPB <br /> Reporting Limit 05 <br /> QA/QC PARAMETER ---- -- -- <br /> Matrix Blank ND <br /> PERCENT RECOVEREES <br /> Laboratory Control Spike 119% <br /> Laboratory Control Spike 107°/n <br /> Duplicate <br /> ppb=Paris per bclhon=ug(L-microgram pet Iter <br /> Nil =Not detcarA Coatpo=4(s)may be Present at coneentrauocn below the reporting Itnut <br /> All surrogate recoveries were within 30%of twTet values. <br /> Spikea&Spike iupiwates were each spiked with 250 ng W BE standard <br /> ANALYTICAL PROCEDURES <br /> MITBE (Methyl Tort-Butyl Ether)—MTBE Is anaiyzed by EPA Method 602 whnch utd3zes a gas chromatograph (GC) cVgycd with a <br /> photoiomzavon detector(PTA) <br /> r� 07-23-96 <br /> Lab torytepresentahve bate Reported <br /> ted <br /> ENVIRONMENTAL LABS IS CEItTMED BY THE STATE OF CALIFORNIA <br /> rXPARM-NTOFHEALTH SEXIMESASAHAZARDOUS WAMTES WO LABORATORY <br /> {�Gil�]CAhct�N4 11(�p) <br /> i <br />