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Sparger0 Analytical Laboratory Division <br /> Technology,.. Mobile Laboratory Division With Automation in Mind Scientific Division <br /> EPA Method 8020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> — -- - ----- ----- --EX Aryalysis Report - <br /> Attention: Mr. Jeff Rothgery Date Sampled: Sep 8, 1998 <br /> Apex Envirotech Date Received: Sep 8, 1998 <br /> 7844 Madison Ave., Ste. 106 Date Analyzed: Sep 9, 1998 <br /> Fair Oaks, CA 95628 Invoice*: 9997SEP98 <br /> Project ID: ERA02.004 Project Name: Moore Petroleum Bulk Plant <br /> Client ID: MS/MSD LAB ID: 9997-018MS <br /> 9997-018MSD <br /> Matrix: Soil Dilution 1: 1 <br /> Spike Sample MS MSD MS % MSD % % RPD <br /> Analyte Added Conc. Result Result Units Recovery Recovery Recovery RPD Limits <br /> Benzene 30 ND 31 28 ug/kg 103% 93% 10% 20 65-135 <br /> Toluene 30 ND 30 27 ug/kg 100% 90% 11% 20 65-135 <br /> Ethylhenzene 30 ND 30 27 ug/kg 100% 90% 11% 20 65-135 <br /> m,p-Xylenes 60 ND 57 52 uglkg 95% 87% <br /> 9% 20 65-135 <br /> o-Xylenes 30 ND 30 27 ug/kg 100% 90% 11% 20 65-135 <br /> Surrogate % Recovery of Trifluorotoluene = 110% MS 100% MSD <br /> ppb=parts per billion=ug/kg=micrograms per kilogram <br /> ppm=parts per million=ug/9=micrograms per gram <br /> NO=Not Detected. Compound(s)may be present at concentrations below the dete.ton limit <br /> JL. cipal Chemist Sep 16, 1998 <br /> Date Reported <br /> SPAnCER 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 /> 8020mss.xls <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 95827 • (976) 362-8947 • FAX(9f 6) 362-0947 <br />