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05 December 2007 <br /> AGE-NC Project No. 97-0327 <br /> Page 2 of 8 <br /> • Monitoring well installation and development; <br /> • Ground water sample collection and analysis; <br /> • Report preparation. <br /> 2.1. PERMITTING AND PRE-FIELD WORK PREPARATIONS <br /> Applicable site assessment permits will be obtained from the SJCEHD and/or San Joaquin County <br /> Public Works Department. In addition,an update to the health and safety plan presently on-file will <br /> be prepared in accordance with Occupational Safety and Health Guidance Manual.fn-Hazardous <br /> Waste Site Activities (National Institute for Occupational Safety and Health Administration. U.S. <br /> Coast Guard and U.S. Environmental Protection Agency, 1985).Prior to mobilization,the proposed <br /> ground water monitoring well and boring locations will be clearly marked and a utility clearance <br /> obtained through Underground Service Alert. <br /> 2.2. DRILLING AND SAMPLING <br /> AGE proposes to drill a total of four soil borings and install one ground water monitoring well at the <br /> site for further delineation of the 1,2-DCA ground water plume. Ground water monitoring well <br /> MW-5 will be installed to assess the horizont�a�dowpgradient extent of 1.2-DCA-impacted ground <br /> water, additionally, three soil borings (P-1Y P-18-and 1`41 will be advanced to define the <br /> horizontal, crossgradient extent of 1,2-DCA-impacted ground water. Proposed soil boring and <br /> monitoring well locations are illustrated in Figure 2. <br /> Based upon laboratory results of monitoring well ground water 5ampics collected during the <br /> investigation, AGE proposes one ground water monitoring well and fsoil borings in the following <br /> areas: <br /> • Soil boring P-ITmill be located approximately 5 to 15 feet east of CPT-2, and between 70 <br /> and 80 feet southeast of well MW-4 to assess shallow 1,2-DCA-impact ground water <br /> crossgradient (southeast) of MW-4. <br /> • Soil boring P-1� will be located between 55 and 65 feet south: of well MW-4 to assess <br /> shallow and deep 1,2-DCA-impacted ground water downgradient (south) of MW-4. <br /> s� <br /> • Soil boring P-IV, will be located between 60 and 70 feet west-southwest of well MW-4 to <br /> assess shallow and deep 1,2-DCA-impacted ground water crossgradient(west-southwest)of <br /> MW-4. <br /> Advanced GCOEnvironmentel,Inc. <br />