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Spargero Analytical Laboratory Division <br /> Mobile Laboratory Division <br /> Technoloy <br /> Inc Sclentiflc 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 Nov 25, 1996 <br /> EMCON Date Received Nov 26, 1996 <br /> 1433 North Market Blvd Date Analyzed Dec 3, 1996 <br /> Sacramento, CA 95834 Invoice# 7238 <br /> Project ID 22613-100 001 Project Name Don Rogers <br /> Client ID MS/MSD (Batch) IAB ID 7240-003MS <br /> 7240-003MSD <br /> Matrix Water Dilution <br /> Spike Sample MS MSD MS % MSD % % RPD QC limits <br /> Name Added Conc Result Result Uni.s Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 35 35 ug/l 117% 117% 0% 20 65-135 <br /> Toluene 30 ND 34 34 ug/l 113% 113% 0% 20 65-135 <br /> Ethylbenzene 30 ND 35 35 ugll 117% 117% 0% 20 65-135 <br /> m,p-Xylenes 60 ND 71 71 ug/I 118% 118% 0% 20 65-135 <br /> Surrogate % Recovery of Trrfluorotoluene= 103% MS 106% MSD <br /> ppb=parts per billion=ug/I=micrograms per liter <br /> ppm=parts per million=ug/ml=micrograms per milliliter <br /> ND=Not Detected Compound(s)may be present at concentrations below the detection limit <br /> f, <br /> C _ <br /> Dec 4, 1996 <br /> C Chapman,GGRtupervisor Cate 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 /> (Certification No 1614) <br /> 8020MSW XLS <br /> 3050 Fite Circle Suite 112 - Socromento California 95827 a (996) 362-8947 - FAX (996) 362-0947 <br />