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29 April 2002 <br /> AGE-NC Project No 95-0173 <br /> Page 2 of 5 <br />' 2 1 PERMITTING AND PRE-FIELD WORK ACTWITIES <br /> Applicable site assessment permits will be submitted to the SJCEHD As required by SJCEHD <br />' permitting, a health and safety plan will be prepared in accordance with Occupational Safety and <br /> Health Guidance Manual for Hazardous Waste Site Activities (National Institute for Occupational <br /> Safety and Health Administration, U S Coast Guard and U S Environmental Protection Agency, <br /> 1985) Prior to drilling activities, each proposed drilling location will be clearly marked and a utility <br /> clearance obtained through Underground Service Alert <br /> I2 2 WELL INSTALLATION <br /> Based on ground water data collected during the investigation of petroleum-hydrocarbon impact, <br /> AGE proposes installation of one 6 inch-diameter ground water extraction well (EW-1), located <br /> between 5 and 10 feet west-southwest of well AW-2 and screened between 30 and 60 feet bsg <br /> (Figure 3) <br /> The proposed well location is depicted in Figure 2, general lithology and the estimated extent of <br /> petroleum-impact to ground water beneath the site is depicted in cross sectional view GC'm Figures <br /> 4 and 5 The proposed ground water extraction well will be screened through Hydrologic Units I and <br /> I 2 and in areas of known petroleum-impacted ground water Procedures for well installation are <br /> presented in Section 4 2 <br /> Following well installation, the well will be developed to maximize water flow into the well and <br /> minimize the amount of fine-grained sediment drawn into the well during pumping or balling <br /> Procedures for well installation and development are presented in Sections 4 2 and 4 3, respectively <br /> 23 GROUND WATER AQUIFER PUMPING TEST <br /> Following Installation of EW-1, a 24-hour aquifer pumping test will be performed in Hydrologic <br /> Units 1 and 2 at the site to evaluate a general radius of influence and capture zone during ground <br /> water extraction The proposed aquifer pumping test will be designed to obtain general aquifer <br /> characteristics such as hydraulic conductivity,storativlty,transmissivity and draw-down at a constant <br /> pumping rate Procedures for the pumping test Is presented in Section 4 4 <br /> I <br /> 2 4 REPORT PREPARATION <br /> Following well installation and performance of ground water aquifer pumping test, a report will be <br /> Advanced CeoEnvironmental,Inc <br />