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Spargero Analytical Laboratory DMsion <br /> Dhnslon <br /> Technobig- <br /> Mobile LaSci antic Division <br /> With Automation in <br /> EPA Method 8020 <br /> Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) 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 LCS/LCSD LAB ID 7238-LCS <br /> 7238-LCSD <br /> Matrix Water Dilution <br /> Spike Sample LCS LCSD LCS % LCSD % % RPD QC Limits <br /> Name Added Conc Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 35 34 ug/l 117% 113% 3% 20 65-135 <br /> Toluene 30 ND 33 32 ug/l 110% 107% 3% 20 65-135 <br /> Ethylbenzene 30 ND 35 33 ug/l 117% 110% 6% 20 65-135 <br /> m,p-Xylenes 60 ND 70 67 ugll 117% 112% 4% 20 65-135 <br /> Surrogate % Recovery of Trifluorotoluene = 103% LCS 103% LCSD <br /> ppb=parts per billion=ug/1=micrograms per irter <br /> ppm-parts per million=ug/ml=m"rams per milliliter <br /> NO=Not Detected Compound(s)may be present ai concentrations below the detection lima <br /> Dec 4, 1996 <br /> C Chapman, GC$ ervlsor Date Reported <br /> F 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 /> 8020LCSW XLS <br /> 3050 Fite Circle 412 • Sacramento California 95827 • (996) 362-8947 a FAX (946) 362-0947 <br />