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1 <br /> Spargero Analytical Laboratory Division <br /> Technol Mobile Laboratory Division <br /> ogyfnc. Scientific Division <br /> With Automation in Mind <br /> EPA Method 8020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <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: MS/MSD LAB ID: 11638-001 MS/MSD <br /> Matrix: Water Dilution 1: 1 <br /> Spike Sample MS MSD MS % MSD % % RPD i Limits <br /> Analyte Added Conc. Result Result Units Recovery Recovery Recovery RPD %Rec <br /> r Benzene 30 ND 31 31 u IL 103% ° ° <br /> 9 103/0 0/0 20 65-135 <br /> k Toluene 30 ND 31 31 ug/L 103% 103% 0% 20 65-135 <br /> Ethylbenzene 30 ND 32 31 ug/L . 107% 103% 3% 20 65-135 <br /> m,p-Xylenes 60 ND 58 58 1 97% 97% 0% 20 65-135 <br /> o-Xylenes 30 ND 31 . 31 ug/L 103% 103% 0% 20 65-135 <br /> I <br /> Surrogate % Recovery of Trifluorotoluene = 94% 96% <br /> ppb=parts per billion=ugll=micrograms per liter <br /> ppm=parts per mikion=ug/ml=micrograms per milliliter <br /> ND=Not Detected. Compounds)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 LABORATORY,INC.IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY y <br /> (Certification No.1614) <br /> 8020g(W).xls <br /> i <br /> 3050 Fite Circle, Suite 112 9 Sacramento, California 95827 - (9 16) 362-8947 • FAX(916) 362-0947 <br />