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0 <br /> APPENDIX A <br /> SECTION 02670 <br /> MONITORING WELL INSTALLATION, SOIL GAS AND HYDROPUNCH SAMPLING <br /> PART 1 - GENERAL <br /> 1.01 SUMMARY <br /> A. Section Includes: <br /> 1. Monitoring Well Construction <br /> 2. Monitoring Well Development <br /> 3. Vadose zone soil gas sampling <br /> 4. Hydropunch sampling <br /> 5. Surface Completion <br /> 1.02 PROJECT LOCATION AND ACCESS <br /> A. The Corral Hollow Sanitary Landfill (CHSL) is located in southern San Joaquin <br /> County at the intersection of Interstate 580 and Corral Hollow Road as shown on <br /> Figure 1. This work is being completed to evaluate the extent of volatile organic <br /> compound (VOC) impact in the shallow zone. <br /> B. The well location is shown on Figure 2 and boring locations are shown on <br /> Figure 3. <br /> 1.03 EXISTING SITE CONDITIONS <br /> A. Data from previous site investigations indicate that the lithology beneath the site in <br /> the shallow water-bearing zone consists of interbedded silts, sands, clays and <br /> gravels. A copy of existing shallow well MW-5 log is attached. <br /> B. Work shall be considered complete when all construction materials, debris, and <br /> equipment are removed from the sites, and the boring locations are left in a clean <br /> condition. During the boring and well construction process, all debris shall be <br /> disposed of in a Contractor provided container, or removed from the site, and the <br /> site left in a neat and orderly condition on a daily basis. <br /> 1.05 SITE SAFETY <br /> A. The drilling contractor (Contractor) shall be solely responsible for initiating, <br /> maintaining, and supervising all safety precautions, in compliance with the OSHA, <br /> state, and local regulations. This requirement applies continuously throughout the <br /> scope of this work. <br /> Corral Hollow EMP WP.DOC February 28,2007 <br />