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Page 1 of 1 <br /> Sparger 0 Analytical Laboratory Divisio <br /> Mobile Laboratory Divisiob <br /> TechrK*xjy,1nc. <br /> Environmental Laboratories Scientific Division <br /> EPA <br /> Method 8020 <br /> Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention Kathleen Waldo Date Sampled Apr 8, 2002 <br /> IT Corporation Date Received Apr 8, 2002 <br /> 1326 North Market Boulevard Date Analyzed Apr 8, 2002 <br /> Sacramento, CA 95834 Invoice# 14621APR2002 <br /> Project ID 8800391A101030000 Protect Name Don Rodgers <br /> Client ID LCS/LCSD !AB ID QC - BATCH <br /> Matrix Air Volume 5 ml <br /> Units = Mglm3 <br /> Spike Sample LCS LCSD LCS % LCSD % % RPD <br /> ' Name Added Conc Result Result Recovery Recovery Recovery <br /> Benzene 30 ND 28 28 93% 93% 0% <br /> Toluene 30 ND 29 28 97% 93% 4% <br /> Ethylbenzene 30 ND 29 28 97% 93% 4% <br /> total-Xylenes 90 ND 82 79 91% 88% 4% <br /> mglm =milligrams per cubic meter=ppm x mot wt x 0 0409 <br /> ND=Not Detected Compound(s)maybe present at concentrations below the detection limit <br /> Apr 8, 2002 <br /> R L James, Pnncipal 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 /> (Cerltrication No 1614) <br /> gasbtex(A2) As <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 95827 - (916) 362-8947 - FAX (916) 362-0947 <br />