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Spager 0 Page 1 of 1 <br /> Analytical Laboratory Division <br /> TechnoMobile Laboratory Division <br /> lnc• Scientific Division <br /> Environmental Loboratones <br />' EPA Method 8020 <br /> 1Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br />' Attention David Herzog Date Sampled Sep 5, 2002 <br /> Shaw E & I Date Received Sep 5, 2002 <br /> 1326 N Market Blvd Date Analyzed Sep 5, 2002 <br /> Sacramento, CA 95834 Invoice# 15050SEP2002 <br /> Project ID 8800391A101020000 Project Name Don Rodgers <br /> Client ID LCS/LCSD LAB ID QC - BATCH <br /> Matrix Air Volume 5 ml <br /> units = mglm' <br /> -'. --Spike Sample LCS LCSD LCS % LCSD % % RPD <br /> Name Added Cone Result Result Recovery Recovery Recovery <br /> ' Benzene 30 ND 29 32 97% 107% 10% <br /> Toluene 30 ND 28 32 93% 107% 13% <br /> ' Ethylbenzene 30 ND 28 31 93% 103% 10% <br /> total-Xylenes 90 ND 88 97 98% 108% 10% <br /> 1 <br /> mg/m3=milligrams per cubic meter <br /> ND=Not Detected Compound(s)may be present at concentrations below the detection limit <br /> 1 <br /> '0�' Sep 5, 2002 <br /> R L James, 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 /> 3050 Fite Circle, Suite 172 • Sacramento, California 95827 - (916) 362-8947 - FAX (916) 362-0947 <br />