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r <br /> SpargeroAnalytical Laboratory Dmslon <br /> Mobile Laboratory Dmslon <br /> Technolbg-�ylnc Scientific Division <br /> With Automohon in Mind <br /> 8020 Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention Mr John P Cummings Date Sampled Jun 29, 1994 <br /> John P Cummings & Associates Date Received Jun 30, 1994 <br /> P O Box 2847 Date Analyzed Jul 12, 1994 <br /> Fremont, CAY 94536-2847 <br /> Project ID 0294010 00 Project Name Sierra Lumber <br /> Client ID LCS/LCSD LAB ID ST94-07-018 LCS <br /> ST94-07-018 LCSD <br /> Matrix Soil Dilution <br /> Conc Sample LCS LCSD LCS % LCSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ppb ND 28 25 ug/kg 93% 83% 11% <br /> iToluene 30 ppb ND 28 25 ug/kg 93% 83% 11 % <br /> Ethylbenzene 30 ppb ND 27 24 ug/kg 90% 80% 12% <br /> Xylenes 30 ppb ND 27 24 ug/kg 90% 80% 12% <br /> Surrogate % Recovery of Tnfluorotoluene = 103% LCS 90% LCSD <br /> i <br /> ppb — parte per billion ugnw -micrograms per kilogram <br /> ppm- Parts Per md4on — ugig — micrograme per gran <br /> NO — Not Detected Compoundls)may be present at concentrotions below the detection limit <br /> Jul 18, 1994 <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 • (996) 362-8947 • FAX(996) 362-0947 <br />