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Sparger Analytical Laboratory Division <br /> Technology, Mobile Laboratory Division <br /> Inc. Scientific Division <br /> With Automchon ih Mind <br /> EPA Method 8020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention: Mr. Richard Nickerson Date Sampled: Jun 10, 1997 <br /> Ramos Environmental Engineerin Date Received: Jun 10, 1997 <br /> 1515 S. River Rd. Date Analyzed: Jun 20, 1997 <br /> W. Sacramento, CA 95691 Invoice#: 7908 <br /> Project ID: Project Name: <br /> Client ID: MS/MSD-Batch LAB ID: 7894-001 MS <br /> 7894-001 MSD <br /> Matrix: Soil Dilution 1: 1 <br /> Spike Sample MS MSD MS % MSD % % RPD QC Limits <br /> Name Added Conc. Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 NO 18 23 ug/kg 60% 77% 24% 20 65-135 <br /> Toluene 30 ND 20 22 ug/kg 67% 73% 10% 20 65-135 <br /> Ethylbenzene 30 NO 20 20 ug/kg 67% 67% 0% 20 65-135 <br /> m,p-Xylenes 60 NO 35 38 ug/kg 58% 63% 8% 20 65-135 <br /> o-Xylenes 30 NO 20 21 ug/kg 67% 70% 5% 20 65-135 <br /> Surrogate % Recovery of Trifluorotoluene= 86% MS 94% MSD <br /> ppb=Pruta par billion=ug/kg=micrograms per kilogtm <br /> Ppm=part per million=ug/g=miaegrams per gram <br /> NO=Not Detctd. CompouM(a)may be prey at concenbstlons below gt d~tJw Jim& <br /> Jul 7, 1997 <br /> R.L.Ja ,Principal Chemist Date Reported <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY,INC.IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (GrEknban No.IM4) <br /> 8020MSS.xIs <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 95827 • (916) 362-8947 • FAX (916) 362-0947 <br />