1. Anderson, J. L., Machmeier, R. E., and Hansel, M. J.: 1982, Proc. of the Third Nat. Symp. on Individual and Small Community Sewage Systems, Am. Soc. Ag. Engin. St Joseph, MI, pp. 93–99.
2. Carlile, B. L.: 1979, In N. I. McClelland (ed.), Individual on-site wastewater systems, 6th Nat. conf. Proc., Ann Arbor Press, Ann Arbor, MI., pp. 371–386.
3. Cogger, C., Carlile, B. L., Osborne, D., and Holland, E.: 1982, UNC Sea Grant College Publication UNC-SG-82-03.
4. Cogger, C. G. and Carlile, B. L.: 1984, J. Environ. Qual. 13, 137.
5. Commonwealth of Virginia/State Board of Health: 1982, Sewage Handling and Disposal Regulations, Virginia Dept. of Health. Richmond, VA.