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r <br /> { <br /> Fill the outer annulus (between the casing and the borehole) with neat cement. Allow <br /> the cement to mound above ground level and finish to a 2-ft square 6-in thick cement <br /> pad. If needed, install crash posts to protect above-ground completion. <br /> PRECAUTIONS <br /> Refer to the site-specific Health and Safety Plan for discussion of hazards and preventive <br /> measures during well development activities. <br /> REFERENCES <br /> A ller, Linda, et al., 1989. Handbook of Suggested Practices for the Design and Installation of <br /> Groundwater Monitoring Wells, National Water Well Association <br /> Cohen, Robert M., and Mercer, James W. 1993: DNAPL Site Evaluation, CRC Press, Inc. <br /> EPA Groundwater Handbook 1989 <br /> Nielsen, David M., 1993. Correct Well Design Improves Monitoring in "Environmental <br /> Protection", Vol.4, No.7, July 1993 <br /> USATHAMA, 1987. Geotechnical Requirements for Drilling. Monitoring Wells, Data <br /> Acquisition, and Reports, March 1987 <br /> ' ASTM D 5092-90 Standard Practice for Design and Installation of Ground Water Monitoring <br /> Wells in Aquifers <br /> Page 9 of,9 <br /> well install_SOP MONITORING WELL INSTALLATION February 2005 <br />