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Sparger �- . Analytical Laboratory Dmsion <br /> Mobile Laboratory Division <br /> Scientific NAsion <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention Mr Bill Welter Date Sampled Oct 25, 1994 <br /> Lush Geosciences Date Received Oct 25, 1994 <br /> 3560 Business Drive, Suite 120 Date Analyzed Nov 4, 1994 <br /> Sacramento, CA 95820 <br /> Project ID 423-001 Protect Name Beck Lumber <br /> Client ID MS/MSD (Batch) LAB ID ST94-11-033A MS <br /> ST94-11-033A MSD <br /> Matrix Soil 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 28 30 ug/kg 93% 100% 7% <br /> Toluene 30 ppb ND 28 29 ug/kg 93% 97% 4% <br /> Ethylbenzene 30 ppb ND 27 28 ug/kg 90% 93% 4% <br /> Xylenes 30 ppb ND 27 29 ug/kg 90% 97% 7% <br /> Surrogate % Recovery of Tnfluorotoluene = 100% MS 100% MSD <br /> ppb=parts per billion=ugfkg=micrograms per kilogram <br /> ppm=parts per million=uglg=micrograms per gram <br /> NO=Not Detected Compound(s)may be present at Concentrations below the detection limit <br /> Nov 7, 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 1614) <br /> c,;rte !72 0 4cc,•--rinn-c- %ahfornra 01827 9 /916} ?A2_.q9d7 � ZaLX (946) 362-0947 <br />