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Spargero Analytical Laboratory oratory Division <br /> Tech r* Mobile Laboratory Division <br /> 1Cg�Inc Scientific Division <br /> ' With Automation in Mind <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> 'Attention Mr Tom Landwehr Date Sampled Apr 5, 1996 <br /> Apex Envirotech, Inc Date Received Apr 8, 1996 <br /> ' 7844 Madison Ave , Ste 106 Date Analyzed Apr 9, 1996 <br /> Fair Oaks, CA 95628 Invoice# 6486 <br /> (Project ID ERA02 006 Project Name Old Manteca, Moore Petroleum <br /> Client ID MS/MSD (batch) LAB 1D 6480-010 MS <br /> 6480-010 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 NO 36 29 ug/kg 120% 97% 22% <br /> Toluene 30 ppb NO 32 30 ug/kg 107% 100% 6% <br /> ' Ethylbenzene 30 ppb NO 31 31 ug/kg 103% 103% 0% <br /> Xylenes 30 ppb NO 32 32 ug/kg 107% 107% 0% <br /> surrogate % Recovery of Trifluorotoluene = 103% MS 91% MSD <br /> ppb=parts per billion ugAg=micrograms per kilogram <br /> ppm=parts per million=uglg=micrograms per gram <br /> �D=Not Detected Compeund(s)may be present at concentrations below the detection limit <br /> Apr 19, 1996 <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 /> 802OMSW XLS <br /> ' 3050 Fite Circle Suite 112 o Sacramento Colhfomia 95827 a (996) 362-8947 a FAX(996) 362-0947 <br />