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Page 2 of 4 <br /> Sparger 0 <br /> Analytical Laboratory Division <br /> OT; hnolo <br /> Mobile Laboratory Division <br /> N4yInc• Scientific Division <br /> Environmental Laboratones <br /> EPA Method 8020 l <br /> Modified Laboratory Control Spike (LCS) & <br />' Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention David Herzog Date Sampled Dec 3, 2002 <br /> Shaw E & I Date Received Dec 4, 2002 <br /> 1326 N Market Blvd Date Analyzed Dec 4, 2002 <br /> Sacramento, CA 95834 Invoice# 15251DEC2002 <br /> Project ID 880039 1A Project Name Don Rogers <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 /> t <br /> Name Added Conc Result Result Recovery Recovery Recovery <br /> Benzene 30 ND 28 28 93% 93% 0% <br /> Toluene 30 ND 28 28 93% 93% 0% <br />' Ethylbenzene 30 ND 29 28 97% 93% 4% <br /> total-Xylenes 90 ND 91 88 101% 98% 3% <br /> mglm'=milligrams per cubic meter <br />' NA=Not Detected Compound(s)maybe present at concentrations betow the detection limit <br /> t <br /> Dec 4, 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 112 • Sacramento California 95827 • (916) 362-8947 • FAX (916) 362-0947 <br />