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SpargeroDm <br /> Analytical Laboratory sion <br /> 10Mobile Laboratory Division <br /> TechnologyInc Scientific Dmsion <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 Jeff Rothgery Date Sampled Nov 27, 1996 <br /> Apex Envirotech, Inc Date Received Nov 29, 1996 <br /> 7844 Madison Ave , Ste 106 Date Analyzed Dec 2, 1996 <br /> Fair Oaks, CA 95628 Invoice# 7247 <br /> Project ID ERA02 009 Project Name Moore Petroleum <br /> Client ID MS/MSD (Batch) LAB ID 7240-005MS <br /> 7240-005MSD <br /> Matrix Water Dilution <br /> Spike Sample MS MSD MS % MSD % % RPD QC Limits <br /> Idalk Name Added Conc Result Result units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 35 35 ugll 117% 117% 0% 20 65-135 <br /> Toluene 30 ND 34 34 ugll 113% 113% 0% 20 65-135 <br /> Ethylbenzene 30 ND 34 34 ugll 113% 113% 0% 20 65-135 <br /> m,p-Xylenes 60 ND 70 70 ugll 117% 117% 0% 20 65-135 <br /> Surrogate % Recovery of Trifluorotoluene= 106% MS 107% MSD <br /> ppb=parts per billion=ugA=micrograms per Iiter <br /> ppm=parts per million=ugiml=micrograms per m4lditer <br /> ND=Not Detected Compound(s)maybe present at concentrations below the detection lima <br /> / <br /> Dec <br /> 9, 1996 <br /> C ChapmA ,GC Manager 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 /> (Certdicabon No 1614) <br /> 8020MSW XLS <br /> 3050 Fite Circle Suite 112 • Sacramento California 95827 • (996) 362-8947 * FAX(996) 362-0947 <br />