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_ Sparger " Analytical Laboratory Division <br /> L-/ Technology,rc. Mobile Laboratory Division <br /> 4 <br /> With Automation <br /> in Mind Scientific Division <br /> EPA Method 8020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention: Mr. Tom Landwehr Date Sampled: Jan 26, 2000 <br /> Apex Envirotech Date Received: Jan 27, 2000 <br /> 7844 Madison Ave. Ste. 106 Date Analyzed: Jan 29, 2000 <br /> Fair Oaks, CA 95628 Invoice#: 11868JAN00 <br /> Project ID: ERA 02.004 Project Name: Moore Petroleum Banta <br /> II <br /> Client ID: MS/MSD LAB ID: 11868-002MSIMSD <br /> Matrix: Water Dilution 1: 1 <br /> Spike Sample MS MSD MS % MSD % % RPD QC Limits <br /> Analyte Added Conc. Result Result Units Recovery Recovery Recovery RPD %Rec <br /> C13enzene 30 ND 31 31 ug/L 103% 103% 0% 20 65-135 <br /> Toluene 30 ND 30 29 ug/L 100% 97% 3% 20 65-135 <br /> Ethylbenzene 30 ND 31 31 ug/L 103% 103% 0% 20 65-135 <br /> m,p-Xylenes 60 ND 48 48 uglL 80% 80% 0% 20 65-135 <br /> o-Xylenes 30 ND 30 30 ug/L 100% 100% 0% 20 65-135 <br /> Surrogate % Recovery of Trifluorotoluene= 102% 97% <br /> ppb=parts per billion=uVI=micrograms per liter <br /> ppm=parts per million=uglml=micrograms per milliliter <br /> ND=Not Detected. Compound(sf may t7e present at concentrations below the detection limit. <br /> Jan 29, 2000 <br /> R�L.)James,Principal Chemist Elate Reported <br /> I �J <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 />'i (Certification No.1614) <br /> 8020g(W).xls <br /> i` 3050 Fite Circle, Suite 112 9 Sacramento, Colifornio 95827 * (916) 362-8947 • FAX(996) 362-0947 <br />