Selected related publications that maybe difficult to obtain are available in pdf file format through the following links.
Jenssen, P.D. and R.L. Siegrist (1990). Technology Assessment of Wastewater treatment by Soil Infiltration Systems. Water Science & Technology. 22(3/4):83-92.
Anderson, D.L. and R.L. Siegrist (1989). The Performance of Ultra-Low-Volume Flush Toilets in Phoenix. Journal of American Water Works Assoc. 81(3):52-57.
Siegrist, R.L. and P.D. Jenssen (1989). Nitrogen Removal During Wastewater Infiltration as Affected by Design and Environmental Factors. Proc. 6th Northwest On-site Wastewater Treatment Short Course. University of Washington, Seattle. pp.304-318.
Siegrist, R.L. and W.C. Boyle (1987). Wastewater Induced Soil Clogging Development. J Environmental Engineering. 113(3):550-556.
Siegrist, R.L. (1987). Soil Clogging During Subsurface Wastewater Infiltration as Affected by Effluent Composition and Loading Rate. J. Environmental Quality. 16:181-187.
Siegrist. R.L. (1983). Minimum Flow Plumbing Fixtures. J. American Water Works Assoc. 75(7):342-348.
Siegrist, R.L. and W.C. Boyle (1982). Onsite Reclamation of Residential Greywater. Proc. Natl. Sym. On Individual and Small Community Sewage Treatment. ASAE publ. 1-82. Amer. Soc. Agricultural Eng., St. Joseph, MI. pp.176-186.
Siegrist, R.L., T. Woltanski, and L. Waldorf (1978). Water Conservation and Wastewater Disposal. Proc. National Symposium on Home Sewage Treatment. ASAE publ. 5-77. Amer. Soc. Agricultural Eng., St. Joseph, MI. pp.121-136.