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l <br /> it <br /> 1'age2of4 <br /> SWWr0 <br /> Analytic al Laboratory Division <br /> Mobile Laboratory Division <br /> TechnologyInc. Scientific Division <br /> Environmental Laboratories <br /> EPA Method 8020 <br /> Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention Kathleen Waldo Date Sampled May 6, 2002 <br /> IT Corporation Date Received May 7, 2002 <br /> 1326 North Market Boulevard Date Analyzed May 7, 2002 <br /> Sacramento, CA 95834 Invoice# 14710MAY02 <br /> Project ID 880039 1A101030000 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 Conc Result Result Recovery Recovery Recovery <br />' Benzene 30 ND 29 31 97% 103% 7% <br /> Toluene 30 ND 29 31 97% 103% 7% <br /> ErthY(benzene 30 ND 30 30 100% 1000/0 0% <br />' total-Xylenes 90 ND 88 91 98% 1010/0 3% <br /> mglma=milligrams per cubic meter <br /> NO=Nat Detected Campound(s)maybe present at concentrations below the detection limit <br />' May 7, 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 />