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Spargei Analytical Laboratory Division <br /> Technology, Inc. Mobile Laboratory Division <br /> Scientific Division <br /> ' EPA Method 8020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention: Mr. Charles Metzinger Date Sampled: Apr 14, 1998 <br /> ' EMCCIN Date Received: Apr 14, 1998 <br /> 1433 North Market Blvd. Date Analyzed: Apr 15, 1998 <br /> Sacramento, CA 95834 Invoice#: 9349APIZ98 <br /> ' Project ID: 20939-011-001 Project Name: San Joaquin Cty-DAVV <br /> ' Client ID: MS/MSD LAB ID: 9349-00 WS <br /> 9349-00 MSD <br /> Matrix: Soil Dilution 1: 1 <br /> ' Spike Sample MS MSD MS % MS % % RPD QC Limits <br /> Analyte Added Conc. Result Result Units Recovery Reco ery Recovery RPD %Rec <br /> ' Benzene 30 ND 26 30 ug/kg 87% 10c% 14% 20 65-135 <br /> ' Toluene 30 ND 27 31 ug/kg 90% 103% 14% 20 65-135 <br /> Ethylbenzene 30 ND 27 31 ug/kg 90% 103% 14% 20 65-135 <br /> ' m,p-Xylenes 60 ND 51 60 ug/kg 85% 100% 16% 20 65-135 <br /> o-Xylenes 30 ND 27 31 ug/kg 90% 103% 14% 20 65-135 <br /> ' <br /> p <br /> urrogate % Recovery of Trifluorotcluene = 99% MS 110% MSD <br /> pb a parts per billion=uglkg=micrograms per kilogram <br /> ppm=parts per million=uglg=micrograms per gram <br /> ND=Not Detected. Compound(s)maybe prosent at concentratons below the detector limit. <br /> Apt-22, 1998 <br /> R4LJames,Principal Chemist Date Reported <br /> ' SPARGER TECHNOLOGY ANALYTICAL LABORATORY.INC.IS CERTIFIED BY THE ST TE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING L BORATORY <br /> (Certification No.1614) <br /> 8020mss <br /> a ���-ra,,ienrc, Coirfom;o 9,t • (916) 362-8947 e FAX (916) 362-0947 <br />