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1 <br /> Spargero Analytical Laboratory Dmsion <br /> ' Mobile Laboratory <br /> Division <br /> Technol y Inc Scientific DnAslon <br /> ' With Automohon in Mind <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> ' BTEX Analysis Report <br /> Attention Mr Jeff Rothgery Date Sampled Oct 19, 1995 <br /> Apex Envirotech, Inc Date Received Oct 20, 1995 <br /> 7844 Madison Avenue, Suite 106 Date Analyzed Oct 25, 1995 <br /> Fair Oaks, CA 95628 <br /> Project ID ERA02 006 Project Name Moore Petroleum -Manteca <br /> Client ID MS/MSD (Batch) LAB ID ST95-10-1482A MS <br /> ST95-10-14$2A 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 ND 30 28 ug/L 100% 93% 7% <br /> Toluene 30 ppb ND 28 27 ug/L 93% 90% 4% <br /> Ethylbenzene 30 ppb ND 30 31 ug/L 100% 103% 3% <br /> Xylenes 30 ppb ND 30 30 ug/L 100% 100% 0% <br /> ' Surrogate% Recovery of Trlfluorotoluene = 103% MS 83% MSD <br /> ppb.parts per billion.uglL=micrograms per Mer <br /> ppm.parts per million=ug/ml.micrograms per milliliter <br /> ND.Not Detected Compound(s)maybe present at concentrations below the detection limit <br /> Oct 27, 1995 <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 /> (Candreation No 1614) <br /> ' 3050 Fite Circle Suite 112 • Sacramento Colifornia 95827 0 (996) 362-8947 0 FAX (946) 362-0947 <br />