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Spaigero <br /> Page 2 of 4 <br /> Analytical Laboratory Division <br /> Techrx*)gy,1nc. Mobile Laboratory Divislo <br /> Scientific Division <br /> Environmental Laboratones <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 Jun 10, 2002 <br /> Shaw E&I Date Received Jun 12, 2002 <br /> 1326 North Market Boulevard Date Analyzed Jun 12, 2002 <br /> Sacramento, CA 95834 Invoice# 14826JUN02 <br /> Project ID 880-040 1A Project Name Parkinsons Arco <br /> Client ID LCS/LCSD LAB ID QC - BATCH <br /> Matrix Air Volume 5 ml <br /> units = mglm3 <br /> Spike Sample LCS LCSD T LCS % LCSD % % RPD �- <br /> Name Added Conc Result Result Recovery Recovery Recovery <br /> Benzene 30 ND 26 26 87% 87% 0% 1 <br /> Toluene 30 ND 26 25 87% 83% 4% <br /> Ethylbenzene 30 ND 27 26 90% 87% 4% <br /> total-Xylenes 90 ND 81 81 90% 90% 0% <br /> mglm3=milligrams per cubic meter <br /> NO=Not Detected Compound(s)may be present at concentrations below the detection limit I <br /> Jun 12, 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 /> (Cedification No 1614) <br /> �1 <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 95827 • (916) 362-8947 • FAX (916) 362-0947 <br />