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- <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 /> OA/OC REPORT <br /> Attention: Mr. John Bower BTEX Analyzed : 07-24-96 -� <br /> SECOR Matrix: Water <br /> 1734 34th Street <br /> Sacramento,.CA 95816 - <br /> s <br /> Project: Jo710-001-01 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes €.= <br /> PPB PPB PPB PPB <br /> Re rtin .Limit: 0.5 0.5 0.5 0.5 <br /> QA/QC PARAMETER <br /> Matrix Blank ND ND ND ND <br /> PERCENT RECOVERIES <br /> Matrix Spike 98% 1000/0 1000/0 100% <br /> Matrix Spike 98% 990/0 990/0 100% <br /> Duplicate <br /> ppb parts per billion=ug/L=nucrogram per liter <br /> ND =Not detected Compound(s)may be present at ooncentratiorts below the,reporting limit. <br /> AR surrogate recoveries were within 30%.of target values. <br /> Spikes do Spike Duplicates were each'spllred with 250 ng BTEX standard. <br /> ANALYTICAL PROCEDURES <br /> BTEX—Bcnzcne,toluene,dhylbenzene,and total xylene isomers(BTE)O are measured by extraction using EPA Method 5030 followed by analysis <br /> using EPA Method 602 which utilizes a gas chrornatograph(GC)equipped with a photoionivalion detector(PID). <br /> Ac"Q� <br /> 07-30-96 <br /> Labo ory Representative Date Reported <br /> L•� <br /> DGCE.aM ENVIRONMENTAL1AW IS CIMTIFQD BY THESTATE OF CAUrORNIA <br /> 'DEAARTMEW OF HEALTH SERVICES AS A}HAZARDOUS WASTE.ESI NC LABORATORY <br /> - - (C-Al.U-Mi.-1760,2119) <br />