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16spargero Analytical Laboratory Division <br /> TechnoloMobile Laboratory DMsion <br /> gy lnc. Scientific Division <br /> With Automation in Mind <br /> EPA Method 8020 <br /> Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> ' Attention Mr Jeff Rothgery Date Sampled May 16, 1996 <br /> Apex Env)rotech, Inc Date Received May 16, 1996 <br /> ' 7844 Madison Ave , Ste 106 Date Analyzed May 17, 1996 <br /> Fair Oaks, CA 95628 Invoice# 6617 <br /> ' Project ID ERA02 009 Project Name Moore Petroleum <br /> Client ID LCS/LCSD LAB ID 6617-LCS <br /> 6617-LCSD <br /> Matrix Water Dilution <br /> Conc Sample LCS LCSD LCS % LCSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ND 30 29 ugll 100% 97% 3% <br /> ' <br /> Toluene 30 ND 32 31 ug/1 107% 103% 3% <br /> ' Ethylbenzene 30 ND 32 31 ugli 107% 103% 3% <br /> m,p-Xylenes 60 ND 64 62 ug/1 107% 103% 3% <br /> Surrogate % Recovery of Tnfluorotoluene= 80% LCS 79% LCSD <br /> ' ppb-parts per biuwn=ugA=micrograms per liter <br /> ppm=parts per million=ugrml=micrograms per milliliter <br /> ND=Not Detected Compound(s)maybe present at concentrations below the detection lima <br /> 1 <br /> ' May 30, 1996 <br /> R L .fames,Principal Chemist 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 /> ' (Certification No 1614) <br /> 8020LCDW XLS <br /> 3,')= Lrr� ^r r- rllra , tom' 1 rtar� - 'r�1rfnrn-i 05P,21 —tQ46) .'7A9-RQA7 a FAY 104A) QA9-nOA_7 <br />