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� r w <br /> � <br /> rgero Analytical Laboratory Division <br /> Mole Laboratory DlNisionTechnolcgyinc. <br /> Scientific Division <br /> With Automotion in Mind <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention Mr Tom Landwehr Date Sampled Apr 6 1994 <br /> Apex Envirotech, Inc Date Received Apr 7, 1994 <br /> 7844 Madison Avenue, Suite 106 <br /> Fair Oaks, CA 95628 <br /> Protect ID ERA02 006 Protect Name Moore Petroleum Exxon <br /> Client ID MS/MSD LAB ID ST94-04-012 MS <br /> ST94-04-012 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 NO 28 27 ug/L 93% 90% 4% <br /> Toluene 30 ppb NO 28 28 ug/L 93% 93% 0% <br /> Ethylbenzene 30 ppb NO 29 28 ug/L 97% 93% 4% <br /> Xylenes 30 ppb NO 29 28 ug/L 97% 93% 4% <br /> Surrogate % Recovery of Trifluorotoluene = 80% MS 93% MSD <br /> ppb=parts per billion=ug)L=micrograms per liter <br /> ppm=parts per million=uglml=micrograms per miililner <br /> NO=Not Detected Compound(s)may be present at concertranons below the detection limit <br /> Apr 18, 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 /> (Certlhcabon No 1614) <br /> i <br /> 3050 Fite Circle Suite 112 • Sacramento California 95827 • (946) 362-8947 a FAX(946) 362-0947 <br />