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ECELCHM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br />' Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br />' -0A10C REPORT <br />' Attention. Mr. John Juhrend BTEX Analyzed 05-17-95 <br /> GEOCON Matrix Water <br /> 3235 Sunrise Blvd , #6 <br /> Rancho Cordova, CA 95742 <br /> Project. S8100-06-11A <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes <br />' PPB PPB PPB PPB <br /> Reporting Limit: 05 0.5 05 05 <br /> QA/QC PARAMETER <br /> Matrix Blank ND ND ND ND <br /> PERCENT RECOVERIES <br /> tMatrix Spike 106% 106% 104% 107% <br /> Matrix Spike 92% 94% 94% 97% <br />' Duplicate <br />' ppb = parts per billion n ug/L = microgram per liter <br /> ND = Not detected Compound(s)may be present at concentrations below the reporting limit <br /> All surrogate nza eases were wtthln 30%of target valuta. <br />' Spikts&Spike Dupltcatcs werz each spiked v"%250 ng U=standard <br /> ANAIMICAL FROCI1DURI35 <br /> FYIVX—Benzene,toluene,ethylbencene,dnd total xylene isomers(B'I EX)are mcasured by exlydcuon using EPA Method 5030 followed <br />' by analysts using EPA Method 602 which utilues a gas chromatograph(GC)equipped with a phototon"lion detector(PID) <br />' 05-17-95 <br /> bo atory Representative Date Reported <br /> EXCEI CHEM ENVIRONMENIAL LABS IS CERTIFIED BY ITIE SIAII,OF CALIFORNIA <br /> DEPARTMENT OF HEAL'I II SERVICES AS A HAZARDOUS WASM IB91'ING LABORATORY <br /> (Certification No 1760) <br />