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Spargero Analytical Laboratory Dmsion <br /> Mobile Laboratory Dmslon <br /> Technology, Inc Scientific Dmsion <br /> With Automation 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 Sep 10, 1996 <br /> Apex Envirotech, Inc Date Received Sep 10, 1996 <br /> 7844 Madison Ave , Ste 106 Date Analyzed Sep 13, 1996 <br /> Fair Oaks, CA 95628 Invoice# 6969 <br /> Project ID ERA02 009 Project Name Moore Petroleum <br /> Client ID MS/MSD(Batch) LAB ID 6964-020MS <br /> 6964-020MSD <br /> Matrix Water Dilution <br /> Spike Sample MS MSD MS % MSD% % RPD QC Limits <br /> Name Added Conc Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 ND 19 29 ugll 63% 97% 42% 20 65-135 <br /> Toluene 30 ND 31 31 ugll 103% 103% 0% 20 65-135 <br /> Ethylbenzene 30 ND 31 31 ugll 103% 103% 0% 20 65-135 <br /> m,p-Xylenes 60 ND 64 64 ugtl 107% 107% 0% 20 65-135 <br /> Surrogate% Recovery of Tnfluorotoluene= 89% MS 87% MSD <br /> ppb=parts per billion=uqA=mirrograms per liter <br /> ppm=parts per million=uglml=micrograms per mdlolder <br /> NO=Not Detected Compounds}may be present at concentrations below the detection limit <br /> r -� Sep 20, 1996 <br /> C Chapmar;, bC 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 /> (Certification No 1614) <br /> 8020MSW XLS <br /> O c7 rte �rtC1c 5?f t� r I_ n r rrY�ar}rr �rl,r�;,?rs 1 ' , (916) 362-8947 4 FAX (996) 362-09,1 <br />