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27 December 2004 <br /> AGE-NC Project No. 04-1239 <br /> Page 3 of 8 <br /> ' 3.0. SCOPE OF WORK <br /> AGE proposes to advance and sample up to four soil borings at the site to determine if petroleum <br /> ' hydrocarbon impacted soil and/or ground water is present in the area of former Tank Area B. <br /> Additionally,if significant impacted soil and/or ground water is encountered during drilling,selected <br /> borings may be completed as ground water monitoring wells. The preliminary investigation will <br /> ' include the following tasks: <br /> • Permitting and pre-field work activities; <br /> • Soil and ground water sample collection and analysis; and <br /> • Report preparation. <br /> ' If monitoring wells are installed, the following tasks will also be performed: <br /> • Completion of borings as monitoring wells; <br /> • Well development and survey; and <br /> ' • Well monitoring and sampling. <br /> ' Site assessment tasks are discussed below. <br /> 3.1. PRE-FIELD WORK TASKS <br /> ' A health and safety plan will be prepared in accordance with Occupational Safety and Health <br /> Guidance Manual for Hazardous Waste Site Activities (National Institute for Occupational Safety <br /> and Health Administration, U.S. Coast Guard and U.S. Environmental Protection Agency, 1985). <br /> Prior to mobilization,the area of excavation will be clearly marked and a utility clearance obtained <br /> through Underground Service Alert. <br /> ' 3.2. SOIL AND GROUND WATER SAMPLE COLLECTION AND ANALYSIS <br /> AGE proposes to advance up to four soil borings at the site. Each boring shall be advanced to a <br /> maximum depth of 40 feet below surface grade(bsg); ground water is anticipated to occur between <br /> 20 and 25 feet bsg. Borings will be advanced in the following locations: <br /> • Within the assumed Tank Area B pit excavation(near Alta EMI boring 133); <br /> ' Advanced GeoEnviron mental.Inc. <br />