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Spargero Analytical Laboratory Division <br /> Techno!cMobile Laboratory Dhislon <br /> Scientific Dhnslon <br /> With Automotion In Mind <br /> EPA Method 8020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention Mr Jeff Rothgery Date Sampled Aug 27, 1996 <br /> Apex Envirotech, Inc Date Received Aug 28, 1996 <br /> 7844 Madison Ave , Ste 106 Date Analyzed Aug 30, 1996 <br /> Fair Oaks, CA 95628 Invoice# 6928 <br /> Project ID ERA02 009 Project Name Moore Petroleum <br /> Client ID MS/MSD LAB ID 6928-001 MS <br /> 6928-001 MSD <br /> Matrix Water Dilution <br /> 40Name <br /> Sample MS MSD MS % MSD % % RPD QC Limits <br /> Name Added Conc Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 31 32 ug/I 103% 107% 3% 20 65-135 <br /> Toluene 30 040 32 32 ug/l 105% 105% 0% 20 65-135 <br /> Ethylbenzene 30 052 32 33 ug/I 105% 108% 3% 20 65-135 <br /> m,p-Xylenes 60 0 52 65 66 ug/l 107% 109% 2% 20 65-135 <br /> Surrogate % Recovery of Trifluorotoluene = 154% MS 128% MSD <br /> ppb=parts per ulion=ugA=micrograms per liter <br /> ppm=parts per million=ugfml=micrograms per milliliter <br /> NO=Not Detected Compound(s)may be present at conoenlrations below the detection limit <br /> {� <br /> Sep 10, 1996 <br /> C Chapman, Supervisor Date Reported <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 /> {Certificalion No 1614) <br /> 8020MSW XLS <br /> r r=f -ir ,_ �I irr� i 1 q k1cr(7rn)enrr :oirrornio 0582— - (996) 362-8947 FAX (996) 362-09.r <br />