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Spar er0 <br /> g 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 Analysis Report <br /> Attention: Mr. Tom Landwehr Date Sampled. Sep 11, 1998 <br /> Apex Envirotech Date Received: Sep 11, 1998 <br /> 7844 Madison Ave., Ste. 106 Date Analyzed: Sep 15, 1998 <br /> Fair Oaks, CA 95628 Invoice#: 10021 SEP98 <br /> Project ID: ERA02.004 Project Name: Moore Petroleum <br /> Client ID: MS/MSD (Batch) LAB 1D: 10009-007MS <br /> 10009-007MSD <br /> Matrix: Water Dilution 1: 1 <br /> Spike Sample MS MSD MS % MSD % % RPD QC Limits <br /> Analyte Added Conc. Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 30 31 ug/1 100% 103% 3% 20 65-135 <br /> Toluene 30 ND 29 30 ug/l 97% 100% 3% 20 65-135 <br /> Ethylhenzene 30 ND 30 31 ug/I 100% 103% 3%° 20 65-135 <br /> m,p-Xylenes 60 ND 58 59 ug/I 97% 98% 2% 20 65-135 <br /> o-Xylenes 30 ND 30 31 ug/I 100% 103% 3% I <br /> ° 20 65-135 <br /> Surrogate % Recovery of Trifluorotoluene = 110% MS 100% MSD <br /> ppb=parrs per btlli in=u911=micrograms per liter <br /> Ppm=parts per million=ug/ml=micrograms per milliliter <br /> IND NatZ; em1st <br /> ay be present at concentradons below the detection limit <br /> L. Sep 15, 1998 <br /> Date Reported <br /> / <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY SPARGER TECHNOLOGY ANALYTICAL LABORATORY,INC.IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> (Certification No.1674) <br /> 8020MSW.xis <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 95827 9 (996) 362-P947 - FAX(996) 362-0947 <br />