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i % -y' <br /> r Analytical Laboratory Division , <br /> ZMobile Laboratory Division <br /> T6chnolcig�yhc. Sclentinc DMSlon . <br /> With Aufonnotlon in Mind <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention Ms Sydney Geels Date Sampled Nov 16, 1994 <br /> iT Corporation Date Received Nov 16, 1994 <br /> 4585 Pacheco Boulevard Date Analyzed Nov 16, 1994 <br /> Martinez, CA 94553 <br /> Project ID 191259 Project Name Pacific Bell - Ashley <br /> STM94-11-056A MS <br /> LAB ID <br /> Client 1D WALL 2 - MS <br /> WALL 2 - MSD STM94-11-056A MSD <br /> Matrix Soil Dilution <br /> MS % MSD % % RPD <br /> Conic Sample MS MSD Recovery_ <br /> Name Spike Added Result Result Result Units Recovery Recovery <br /> Benzene 30 ppb <br /> ND 30 33 uglkg 100% 110% 10% <br /> Toluene 30 ppb ND 28 30 ug/kg <br /> 93% 100% 7% <br /> Ethylbenzene 30 ppb ND 26 26 ug/kg <br /> 87% 87% 0% <br /> Xylenes 30 ppb ND <br /> 25 25 ug/kg 83% 83% 0% <br /> Surrogate % Recovery of Trifluorotoluene = 112% <br /> ppb-parts per billion=uglkg=mictograms per kilogram <br /> ppm=parts per mlllton=°gig=micrograms per gram <br /> ND=Not Detected Compound(s)may be present at concentrations below the detection limit <br /> i <br /> Nov 16, 1994 <br /> DATE <br /> R L James, Principal Chemist <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY INC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TEST,NG LABORATORY 1 <br /> (Cei-Hication No 16141 <br /> 3050 Fite Circle Sulfe 112 o Sacramento Colifornra 95827 o (916) 362-£3947 © FAX (916) 362-0947 <br />