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4.1 <br /> ,••,� r" <br /> 09 June 2000 <br /> AGE-NC Project No. 98=0497 <br /> Page 4 of 10 <br /> at to adequately define the lateral and vertical extent of h ocarbon-impacted soil and ground water. <br /> The investigation will consist of the following tasks: <br /> • Permitting and pre-field work activities; <br /> • Soil boring advancement and monitoring well IT stallation; <br /> Well development and survey; <br /> • Ground water sample collection and analysis; <br /> • Performance of a.receptor survey; and <br /> • ' Report preparation. <br /> A <br /> 3.1. :, PERMITTING AND PRE-FIELD WORK ACT ' ITIES <br /> Applicable site assessment permits will be obtained frorn the PHS-EHD. In addition, an update to <br /> the health and safety plan presently on-file will be prepared in accordance with Occupational Safety <br /> and Health Guidance Manual,for -Hazardous -Wasl e Site Activities (National Institute for <br /> Occupational Safety and Health Administration; U.S. Coast Guard and U.S. Environmental <br /> Protection Agency, 1985). Prior to mobilization, each monitoring well location will be clearly <br /> marked and.a utility clearance obtained through Underground Service Alert. <br /> 3.2. BORING ADVANCEMENT AND SOIL SAM LE COLLECTION. <br /> AGE proposes'to advance four soil borings at the'site. 3oninigs will be advanced in the following <br /> locations and to the depths indicated: <br /> • Near the location of boring P-1, within the former UST excavation. This boring will be <br /> advanced to a depth of approximately 90 feet or thtil.field screening of two consecutive-soil <br /> samples 'indicate that contamination is no longer present. <br /> • Approximately 10 to 15 feet northeast of the fornier UST excavation, near the eastern <br /> property boundary.This boring will be advanced t least 15 feet into first encountered ground <br /> water(expected at approximately 70 feet)and completed as a 2-inch diameter ground water <br /> monitoring well.. <br /> Approximately 10 to-15 feet south of the former UST excavation. This boring will be <br /> advanced at least'15 feet into first encountered ground water and completed as.a 2-inch <br /> diameter ground water monitoring well" <br /> Advanced GeoEnvi ron mental,Inc. <br />