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0 Sparg Analytical Laboratory Division <br /> S T ��� Mobile Laboratory Division <br /> ogy Inc Scientific Division <br /> With Automotion in Mrnd <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention Mr Ray Henry Date Sampled Nov 28 1994 <br /> RAH Environmental, Inc Date Received Nov 29, 1994 <br /> 3310 Swetzer Road Date Analyzed Dec 4, 1994 <br /> Loomis, CA 95650 <br /> Project ID 7951 Project Name Tri-Valley Growers (TVG) <br /> Client ID MS/MSD-Batch LAB ID ST94-11-1139A MS <br /> ST94-11-1139A 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 27 25 ug/kg 90% 83% 8% <br /> Toluene 30 ppb ND 29 26 ug/kg 97% 87% 11% <br /> Ethylbenzene 30 ppb ND 27 25 ug/kg 90% 83% 8% <br /> Xylenes 30 ppb ND 27 25 ug/kg 90% 83% 8% <br /> Surrogate % Recovery of Trifluorotoluene = 100% MS 104% MSD <br /> ppb=parts per billion=uglkg=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 /> Dec 8, 1994 <br /> R !_ James Principal Chemist DATE <br /> SPARGER TECHNOLOGY ANALYrtCAL LABORATORY INC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTfNG LABORATORY <br /> tCerti ication No 1614) <br /> 3050 Fife Circle, Suite 112 • Sacramento Colifornio 95827 • (996) 362-8947 • FAX(996) 362-0947 <br />