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Sparger0 Analytical Laboratory Derision <br /> . . <br /> Technology,.. Mobile Laboratory Division With Automation in Mind Scientific Division <br /> EPA Method 8020 <br /> Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention- Mr. Tom Landwehr _._ .--_---... _ ... _-. . <br /> Date Sampled: Sep 17, 1998 <br /> Apex Envirotech Date Received: Sep 18, 1998 <br /> 7844 Madison Ave., Ste. 106 Date Analyzed: Sep 18, 1998 <br /> Fair Oaks, CA 95628 Invoice#: 10055SEP98 <br /> Project ID: ERA02.004 Project Name: Moore Petroleum <br /> Client ID: LCS/LCSD LAB ID: 10055-LCS <br /> 10055-LCSD <br /> Matrix: Soil Dilution 1: 1 <br /> Spike Sample LCS LCSD LCS % LCSD % % RPD QC Limits <br /> Analyte Added Conc. Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 32 35 ug/kg 107% 117% 9% 20 65-135 <br /> Toluene 30 ND 33 35 ug/kg 110% 117% 6% 20 65-135 <br /> Ethylbenzene 30 ND 34 36 ug/kg 113% 120% 6% 20 65-135 <br /> m,p-Xylenes 60 ND 65 70 ug/kg 108% 117% 7% 20 65-135 <br /> o-Xylenes 30 ND 34 36 ug/kg 113% 120% 6% 20 65-135 <br /> Surrogate% Recovery of Trifluorotoluene= 110% LCS 110% LCSD <br /> ppb=parts per billion=ug/kg=micrograms per kilogram <br /> ppm=paw per million a uglg=micrograms per gram <br /> NO=Not Detected. Compound(s)may be present at concentrations below the detedio Itmlt: <br /> 1998 <br /> R.L.d mes,Principal Chemist Sep 21, _ <br /> 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 /> (Cert�cetion No.1614) <br /> 8020LCSS.xis <br /> 3050 Fite Circle, Suite 112 • Sacramento, Califomia 95827 9 (996) 362-8947 • FAX(976) 362-0947 <br />