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Srg er Analytical Laboratory Division <br /> Mobile Laboratory Ditnsion <br /> Technoinc.y, 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 Claudio Avila Date Sampled Oct 11, 1996 <br />' EMCON Date Received Oct 14, 1996 <br /> 1433 North Market Blvd Date Analyzed Oct 15, 1996 <br /> Sacramento, CA 95834 Invoice# 7090 <br />'Project ID 2613-10001 Project Name Don Rodgers <br /> Client ID MSIMSD (Batch) LAB ID 7084-002MS <br /> 7084-002MSD <br /> Matrix Soil Dilution <br /> Spike Sample MS MSD MS % MSD % % RPD QC Limits <br /> Name Added Conc Result Result Units Recovery Recovery Recovery RPD %Rec <br /> PBenzene 30 NO 25 27 ug/kg 83% 90% 8% 20 65-135 <br /> Toluene 30 NO 24 26 ug/kg 80% 87% 8% 20 65-135 <br /> Ethylhenzene 30 ND 23 24 ug/kg 77% 80% 4% 20 65-135 <br /> m,p-Xylenes 60 NO 45 48 ug/kg 75% 80% 6% 20 65-135 <br /> Surrogate % Recovery of Trifluorotoluene= 91% MS 90% MSD <br />' ppb=parts per billion=ugncg=mmxograms per kilogram <br /> ppm-pans per million=ugog=micrograms psi gram <br /> ND=Not Detected Compound(-)may to present at concentrations below the detection Iron <br /> Oct 17, 1996 <br /> C Chapman 9esupervisor 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 /> (Cendcation No 1614) <br /> 8020MSS XLS <br /> 3050 Fite Circle Suite 112 • Sacramento California 95827 0 (946) 362-8947 0 FAX (946) 362-0947 <br />