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05 July 2005 <br /> AGE-NC Project No. 95-0137 <br /> Page 4 of 8 <br /> 3.0. SCOPE OF WORK <br /> The plan requires the RFS facility to characterize the ground water quality at the site. To comply <br /> with this requirement AGE proposes the installation of four ground water monitoring wells at the <br /> site.The purpose of the plan is to investigate if activities at the RFS facility have contributed to the <br /> possible high nitrate concentrations in local ground water. The scope of work will consist of the <br /> following tasks: <br /> • Permitting and pre-field work preparations; <br /> • Drilling and soil sample collection within 15 days of work plan approval; <br /> • Monitoring well installation and development within 25 days of the work plan approval; <br /> • Ground water sample collection within 15 days of well installation; and <br /> • Preparation of a report of findings within 30 days of completion of the laboratory analysis. <br /> 3.1. PERMITTING AND PRE-FIELD WORK PREPARATIONS <br /> Applicable site assessment permits will be obtained from San Joaquin County Environmental Health <br /> Department (EHD). In addition, a health and safety plan will be prepared in accordance with <br /> Occupational Safety and Health Guidance Manual for Hazardous Waste Site Activities(National <br /> Institute for Occupational Safety, and Health Administration, U.S. Coast Guard and U.S. <br /> Environmental Protection Agency, 1985).Prior to mobilization,each monitoring well location will <br /> be clearly marked and a utility clearance obtained through Underground Service Alert. <br /> 3.2. DRILLING <br /> AGE proposes to install four ground water monitoring wells at the site to characterize the ground <br /> water quality in the fertilizer batch plant area, liquid fertilizer storage and the area of the <br /> evaporative concrete lined ponds; if necessary and warranted, from the analysis of ground water <br /> samples, AGE will recommend the installation of additional ground water monitoring wells, <br /> utilizing the same installation procedures outline within this work plan. Ground water monitoring <br /> wells are proposed in the following locations (Figure 2): <br /> • West of the evaporative ponds area to characterize groundwater in the up-gradient direction. <br /> • South of the Jimco discharge-pond area to characterize ground water in the cross-gradient <br /> direction. <br /> • North of the bulk liquid fertilizer storage area to characterize ground water. <br /> Advanced GeoEnvironmental,Inc. <br />