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\r <br /> 1400/1ed GeoSystems 43255 Mission Blvd. Suite 8 Fremont, CA 94539 14151 651-1906 <br /> RECORD OF ANALYSIS <br /> Date 11-04-87 <br /> Applied GeoSystems <br /> 43255 Mission Blvd. <br /> Fremont, CA. 94539 <br /> Attention: Andrew P. Lush <br /> Date Received: 10-08-87 Laboratory# 871OW117 <br /> Date Analyzed: 10-26-87 <br /> Procedure: <br /> The water samples referenced on the attached Chain-of-Custody <br /> were analyzed for the presence and concentration of Benzene, <br /> Ethyl-Benzene, Toluene, and Xylenes (BETX) and for Total Volatile <br /> Hydrocarbons (TVH) by EPA method 602 . The samples were <br /> concentrated on a Tekmar LSC-2 and ALS automatic sampler prior to <br /> injection into a 5890 Hewlett Packard gas chromatograph fitted <br /> with a Photo-Ionization detector (PID) and a Flame Ionization <br /> detector (FID) . The limit of detection for these samples is <br /> 0. 0005 milligrams/liter (parts per million = ppm) . <br /> The results are presented in the table below: <br /> ETHYL TOTAL <br /> SAMPLE SITE BENZENE BENZENE TOLUENE XYLENES TVH <br /> W-70-MW1 87048-2 0 . 0006 ND ND ND 0. 0190 <br /> W-73-MW3 87048-2 0. 0010 ND ND ND 0. 0260 <br /> W-71-MW4 87048-2 ND ND ND ND 0. 0107 <br /> Results in milligrams/liter (parts per million = ppm) . <br /> ND=Non Detectable - Less than 0. 0005 milligrams/liter (ppm) . <br /> Tia Tran, Chemist <br /> Applied GeoSystems is a State of California, Department of Health <br /> Services Certified Hazardous Waste Testing Laboratory (No. 153) . <br />