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Sirgero Analytical Laboratory Division <br /> Mobile Laboratory Division <br /> TG IM�y Inc. Scientific Division <br /> With Automcticn in Mind <br /> EPA Method 8020 <br /> Modified Laboratory Control Spike (LCS) 8r, <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention: Mr. Richard Nickerson Date Sampled: Jun 10, 1997 <br /> Ramos Environmental Engineeri Date Received: Jun 10, 1997 <br /> 1515 S. River Rd. Date Analyzed: Jun 19, 1997 <br /> W. Sacramento, CA 95691 Invoice#: 7908 <br /> Project ID: Project Name: <br /> Client ID: LCS/LCSD LAB ID: 7908-LCS <br /> 7908LCSD <br /> Matrix: Soil Dilution 1: 1 <br /> Spike Sample LCS LCSD LCS % LCSD % % RPD QC Limits <br /> Name Added Conc. Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 24 25 ug/kg 80% 83% 4% 20 65-135 <br /> Toluene 30 ND 25 25 ug/kg 83% 83% 0% 20 65-135 <br /> Ethylbenzene 30 ND 24 25 ug/kg 80% 83% 4% 20 65-135 <br /> m,p-Xylenes 60 ND 45 47 ug/kg 75% 78% 4% 20 65-135 <br /> o-Xylenes 30 ND 24 25 ug/kg 80% 83% 4% 20 65-135 <br /> Surrogate% Recovery of Trifluorotoluene= 99% LCS 99% LCSD <br /> ppb=Pw Pa Maio„=uplkp-miaoGrems Ger WloW <br /> ppm:pats per million-uply=mcmi rens per pram <br /> NO-Nd Dalaxed. Compo=I(s)may be aware M c9npenbalq below me deleclion limiL <br /> Jul 7, 1997 <br /> R.L.J pal 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 /> (Ca kation No.1614) <br /> 8020LCSS.xls <br /> 3050 Fite Circle, Suite 112 • Sacramento, Colifomia 95827 a (916) 362-8947 9 FAX(916) 362-0947 <br />