1. Baes C. F. and Mesmer R. E. (1976). The hydrolysis of cations . John Wiley and Sons Inc. New York N.Y. 220.
2. Castles C. et al. (1985). “Research and development of a soil washing system for use at superfund sites.” Proc. 6th Nat. Conf. on Mgmt. of Uncontrolled Hazardous Waste Sites Hazardous Materials Control Research Institute Washington D.C. Nov. 4–16. 452–455.
3. “Corrective action for solid waste management units at hazardous waste management facilities.” (1990). Federal Register 55(145) 30867.
4. Earth manual . (1974). 2d Ed. 424–435.
5. Guidelines for Canadian drinking water quality . (1978). Health and Welfare Canada 76.