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Page 2 of 4 <br /> $pagero Analytical Laboratory Divisio <br /> Techwlogy Mobile Laboratory Divislop <br /> Inc 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 David Herzog Date Sampled Jun 9, 2003 ' <br /> Shaw E & I INC Date Received Jun 9, 2003 <br /> 1326 N Market Blvd Date Analyzed Jun 10, 2003 <br /> Sacramento, CA 95834 Invoice# 15627JUN2003 ' <br /> Project ID 880039 1A Project Name Dan Rogers <br /> Client ID LCS/LCSD LAB ID QC - BATCH <br /> Matrix Air Volume 5 ml <br /> units = Mg/M3 <br /> Spike Sample LCS LCSD LCS % LCSD % % RPD <br /> Name Added Conc Result Result Recovery Recovery Recover <br /> Benzene 30 ND 31 33 103% 110% 6% ' <br /> Toluene 30 ND 31 31 103% 103% 0% <br /> Ethylbenzene ---30 - - -ND - 29 ^_31 - - 97% - _ 103% _ _- - 7% - r <br /> total-Xylenes 90 ND 84 87 93% 97% 4% , <br /> mg/m3=milligrams per cubic meter <br /> NO=Not Detected Compound(s)may be present at concentrations below the detection limit <br /> __ - - - - -- - - - - --- - - - - - -- -- - - -- - -- - -- Jun 10, 2003 <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 /> {CertiLcaUon No 1614) <br /> 1 <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 95827 • (916) 362-8947 • FAX (916) 362-0947 <br />