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Sparger 0 Analytical Laboratory Division <br /> Mobile Laboratory Division <br /> Technoboyinc Scientific Division <br /> With Automatron in Mind <br /> EPA Method 8020 <br /> tModified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> ' Attention Mr Mike Miller Date Sampled Jul 10, 1997 <br /> IT Corporation Date Received Jul 11, 1997 <br /> 3634 Eknes St Date Analyzed Jul 14, 1997 <br /> ' Mather, CA 95655 Invoice# 8063 <br /> Project ID 768582 Protect Name DSA/SDC <br /> Client ID LCS/LCSD LAB ID 8063-LCS ! <br /> 8063-LCSD <br /> ' Matrix Sod Dilution 1 1 <br /> Spike Sample LCS LCSD LCS % LCSD % % RPD QC Litnits <br /> ' Name Added Conc Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 32 31 ug/kg 107% 103% 3% 20 65-135 <br /> Toluene 30 ND 33 31 ug/kg 110% 103% 6% 20 65-135 <br /> ' Ethylbenzene 30 ND 34 32 uglkg 113% 107% 6% 20 65-135 <br /> m,p-Xylenes 60 ND 68 64 ug/kg 113% 107% 6% 20 65-135 <br /> ' o-Xylenes 30 ND 33 32 ug/kg 110% 107% 3% 20 65-135 <br /> ' <br /> Surrogate % Recovery of Trifluorotoluene = 89% LCS 92% LCSD <br /> g i]+ <br /> ' ppb=pans per billion=uglkg=micrograms per kilogram <br /> ppm=pans per million=uglg=micrograms per gram <br /> NO=Not Detected Compound(s)may be present at concentrations below the detection/unit. <br /> 1 <br /> Jul 24, 1997 <br /> R L .lames, Principal Chemist Date Reported <br /> ` SPARGER TECHNOLOGY ANALYTICAL LABORATORY INC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> r DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1614) <br /> 1 80201css <br /> 3050 Fite Circle Suite 112 - Sacramento California 95827 - (916) 362-8947 - FAX(996) 362-0947 <br />