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i <br /> Spargero Anal ical� Laboratory Division <br /> Technol Mobile Laboratory Division <br /> ogy lnc• Scientific Division <br /> With Automation in Mind <br /> EPA Method 8020 <br /> Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> . 1 <br /> Attention: Mr. Tom Ballard Date Sampled: Oct 28, 1999 <br /> Apex Envirotech Date Received: Oct 29, 1999 <br /> 7844 Madison Ave. Date Analyzed: Nov 1, 1999 <br /> Fair Oaks, CA 95628 Invoice#: 11638OCT99 <br /> Project ID: ERA02.004 Project Name: Moore Petroleum <br /> Client ID: LCS/LCSD LAB ID: QC-BATCH <br /> Matrix: Water Dilution 1: 1 <br /> Spike Sample LCS LCSD LCS % LCSD % %° RPD QC Limits <br /> Analyte Added Conc. Result Resul Units Recovery Recovery Recovery RPD %Rec <br /> r <br /> Benzene 30 ND 30 31 ug/L 100% 103% 3% 20 65-135 <br /> Toluene 30 ND 29 30 ug/L 97% 100% 3% 20 65-135 <br /> Ethylbenzene 30 ND 29 30 ug/L 97% 100% 3% - <br /> 20 65-135 <br /> m,p-Xylenes 60 ND 56 58 uglL 93% 97% 4% 20 65-135 <br /> o-Xylenes 30 ND 29 30 ug/L 97% 100% 3% 20 65-135 <br /> Surrogate % Recovery of Trifluorotoluene= 94% 95% <br /> ppb=parts per billion=ugfl=micrograms per liter <br /> ppm=parts per million=uglmI=micrograms per milliliter <br /> NO=Not Detected. Compound(s)may be present at concentrations below the detection limit- <br /> Nov 1, 1999 <br /> R.L.James, Principal Chemist Date Reported <br /> // SPARGER TECHNOLOGY ANALYTICAL LARORATORY,INC.IS CERTIFIED 8Y THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LA30RATORY <br /> (Cerlifcation No.1614) <br /> 8020g(W).xls <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 95827 9 (996) 362-8947 • FAX(996) 362-0947 <br />