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1 <br /> Sparger 0 Analytical Laboratory Division <br /> I <br /> Mobile Laboratory DnslonTechnologyInc <br /> Scientific Dmslon <br /> tWith Automchon In lWind <br /> ' EPA Method 8020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> 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 15, 1997 <br /> Mather, CA 95655 Invoice# 8063 <br /> ' Protect ID 768582 Protect Name DSA/SDC <br /> t Client ID MS/MSD (Batch) LAB ID 8044-004MS <br /> 8044-004MSD <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 ND 27 27 ug/kg 90% 90% 0% 20 65-135 <br /> Toluene 30 NO 25 25 ug/kg 83% 83% 0% 20 65-135 <br /> Ethylbenzene 30 ND 26 25 ug/kg 87% 83% 4% 20 65-135 <br /> ' m,p-Xylenes 60 NO 53 52 ug/kg 88% 87% 2% 20 65-135 <br /> o-Xylenes 30 NO 26 25 ug/kg 87% 83% 4% 20 65-135 <br /> ' Surrogate % Recovery of Trifluorotoluene = 53% MS 71% MSD <br /> ppb=parts per billion=ug/kg=micrograms per kilogram <br /> ppm=parts per million=ugfg=micrograms per gram <br /> ' ND=Not Detected Compound(s)maybe present at concentrations below the detection limit <br /> Jul 24, 1997 <br /> ' R James, Principal Chemist Date Reported <br /> SP <br /> ARGER TECHNOLOGY ANALYTICAL LABORATORY INC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> ' (Cerbfication No 1814) <br /> ' 8020mss <br /> 3050 Fite Circle Suite 112 e Sacramento, California 95827 • (996) 362-8947 • FAX(996) 362-4947 <br />