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-= , ' S r er0 <br /> g Analytical Laboratory Division <br /> Technob9-"WPy,nc Mobile Laboratory Division <br /> Scientific Division <br /> With Automotion in Mind <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> 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 7, 1994 <br /> Fremont, CA 94536-2847 <br /> Project ID 0294010 00 Project Name Sierra Lumber <br /> Client ID MS/MSD LAB ID ST94-07-018 MS <br /> ST94-07-018 MSD <br /> Matrix Water Dilution <br /> Conc Sample MS MSD MS % MSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ppb ND 32 32 ug/L 107% 107% 0% <br /> I <br /> Toluene 30 ppb ND 31 29 ug/L 103% 97% 7% <br /> Ethylbenzene 30 ppb ND 31 31 ug/L 103% 103% 0% <br /> Xylenes 30 ppb ND 31 31 ug/L 103% 103% 0% <br /> Surrogate % Recovery of Trifluorotoluene = 102% MS 88% MSD <br /> Ppb- parts Per billions uglL - micrograms per liter <br /> Porn- Parte Par million ug/ml - micrograms Per milliliter <br /> NO - Not Detected Compounft)may be present at concentration*below the detection limit <br /> Jul 18, 1994 <br /> R L James, Principal chemist Date <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 11914) <br /> 3050 Fite Circle Suite 112 9 Socromento, Colifornra 95827 0 (996) 362-8947 - FAX(996) 362-0947 <br />