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mom r ■r m am we M <br /> TABLE I <br /> EVAX TECHNOLOGIES, INC <br /> EXTRACTION WELL MONITORING SUMMARY <br /> SITE: Beacon Station #492 SYSTEM START-UP. 6/24/92 <br /> 470 N. Main Street SYSTEM SHUT DOWN. 9/15/92 <br /> Manteca, CaLlfornla <br /> I <br /> EXTRACTION POINT <br /> MW-1 VW-4 VW-5 VW-6 VW-7 <br /> DATE INSTR TVH VP TVH VP TVH VP TVH VP TVH VP <br /> -----------­----- -------------------------------------------------------------------------------------------------- <br /> 09/08/92 OVA 2 C 50 0 38 0 ND C 1 C <br /> 08/25/92 OVA 1 C 90 0 75 0 1 C 2 C <br /> 08/13/92 OVA 1 C 84 GC 0 105 0 2 C 2 C <br /> 07/28/92 FID 6 C 210 0 180 0 6 C 4 C <br /> 07/17/92 OVA 25 C 300 0 225 0 5 C 35 C <br /> 07/08/92 OVA 10 C 600 0 500 0 5 C 30 0 <br /> 06/30/92 OVA 25 C 1,500 0 900 0 25 C 150 0 <br /> 06/24/92 NT NT 0 NT 0 NT 0 NT 0 NT O <br /> SCREENED INTERVAL (DIA) 7-371 (411) 11-15' (211) 11-151 (211) 11-15' (211) 11-151 (211) <br /> EXTRACTION WELL - Extraction well as indicated on site plan. <br /> VW-4 - Vapor Well identifiaction <br /> TVH - Total Volatile Hydrocarbons in parts per million (ppm) on a volume/volume basis. <br /> OVA - Organic Vapor Analyzer equipped with a Flame Ionization Detector. <br /> FID - Portable hydrocarbon monitor equipped with a Flame Ionization Detector. <br /> NT - Not tested. <br />