1. Russelmann , H. B. Characteristics of Water Treatment Plant Wastes Proc. 10th San. Engng. Conf., U. of Ill. Urbana, Ill. 1968
2. Hudson , H. E. , Jr. How Serious is the Problem? Proc. 10th Son. Eng. Conf. U. of Ill. Urbana, Ill. 1968
3. Lime and Lime-Soda Sludge Disposal;Aultman;Jour. AWWA,1947
4. Brine Disposal from Zeolite Softeners;Haney;Jour. AWWA,1947
5. Disposal of Wash Water from Purification Plants;Hall;Jour. AWWA,1947