1. Westat, Inc., “National Survey of Hazardous Waste Generators and Treatment, Storage and Disposal Facilities Regulated under RCRA in 1981,” EPA Office of Solid Waste Contract No. 68-01-6861 (1984).
2. M.J. Spendlove, “Recycling Trends in the United States: A Review,” BuMines Information Circular 8711 (1976).
3. “Base Line Forecasts of Resource Recovery, 1972 to 1990,” U.S. Department of Commerce, NTIS PB 245924, 1975.
4. H.S. Hanna and C. Rampacek, “Resources Potential of Mineral and Metallurgical Wastes,” P. Somasundaran, Ed., AIME, New York, NY, Fine Particles Processing, Vol. 2, (1980) pp. 1709–1730.
5. R.D. Hill and J.L. Auerbach, “Solid Waste Disposal in the Mining Industry,” Op. cit., pp. 1731–1753.