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SpargeroAnalytical Laboratory Division <br /> Mobile Laboratory Division <br /> dj�achnobgylnc. Scientific Division <br /> With Automofron in Mind <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention: Mr. Tom Landwehr Date Sampled: Aug 16, 1995 <br /> Apex Envirotech, Inc. Date Received: Aug 17, 1995 <br /> 7844 Madison Avenue, Suite 106 Date Analyzed: Aug 21, 1995 <br /> Fair Oaks, CA 95628 <br /> Project 10: ERA02.009 Project Name: Moore Petroleum <br /> Client ID: MSIMSD (Batch) LAB ID: ST95-06-1045A MS <br /> ST95-06-1045A MSD <br /> Matrix: Water Dilution: <br /> Conc. Sample MS MSD MS % MSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recove Recovery <br /> Benzene 30 ppb ND 37 32 ug/L 123% 107% 14% <br /> Toluene 30 ppb NO 36 32 ug/L 120% 107% 12% <br /> Ethylbenzene 30 ppb NO 36 32 ug/L 120% 107% 12% <br /> Xylenes 30 ppb ND 36 32 ug/L 120% 107% 12% <br /> Surrogate % Recovery of Trifluorotoluene = 111% MS 101% MSD <br /> ppb=pats pe►tsllion 4 uglL=micrograms per titer <br /> ppm=parts per million-uglmi=miriograms per milliliter <br /> ND=Not Detected, Compound(s)may be present at concentrations below the detection limIL <br /> Aug 22, 1995 <br /> R.L James,Principal Chemist Date <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY,INC.IS CMMRED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (CetMation Na 1014) <br /> 3050 Fite Circle, Suite 112 9 Sacramento, California 95827 • (996) 362-8947 0 FAX (996) 362-0947 <br />