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"Sporgero Analytical Laboratory Division <br /> Tbi,chnoboyinc. Mobile LaSci�f Division <br /> Division <br /> 111th 4ut0mchcn 1n Mrrd <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention Mr John Lane Date Sampled Aug 22 1994 <br /> RESNA Industnes Date Received Aug 23, 1994 <br /> 1710 Main Street Date Analyzed Aug 31, 1994 <br /> Escalon, CA 95320 <br /> Project ID 123020 01 Project Name Ruiz Grocery Store/Tracy <br /> Client ID MS/MSD (Batch) LAB ID ST94-08-604A MS <br /> ST94-08-604A 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 30 32 ug/L 100% 107% 6% <br /> 4 <br /> Toluene 30 ppb ND 30 31 ug/L 100% 103% 3% <br /> Ethylbenzene 30 ppb NO 31 32 ug/L 103% 107% 3% <br /> Xylenes 30 ppb ND 31 32 ug/L 103% 107% 3% <br /> Surrogate % Recovery of Tnfluorotoluene = 96% MS 100% MSD <br /> ppb=parts per billion s ug7L=micrograms per bier <br /> ppm=parts per million=ugrml=micrograms per mrllellter <br /> NO=Not Detected Compound(s)may be preserrt at concentrations below the deteetwn IrmIL <br /> Sep 1, 1994 <br /> R L James Principal Chemist Date <br /> SPARGER TECs-.CL✓GY ANALYTICAL LABORATORY INC 1S CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPAR^1:14—OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certrficatlon No 1614) <br /> 3050 Fite Circle Suite 112 * Secnomento Colifomio 95827 a (916) 362-8947 + FAX(996) 362-0947 <br />