1. Hay , S. W. Richardson C. Cox J. Stinson C. DuBose 1991 Comparison of Wet Sieving to Vertical Column Hydroclassification for Soil Particle Sizing
2. Richardson , W. S. T. B. Hudson J. G. Wood C. R. Phillips 1990 Characterization and Washing of Radionuclide-Contaminated Soils from New Jersey EPA Workshop on Radioactively Contaminated Sites
3. U.S. Environmental Protection Agency (EPA) 1989a Characterization of Contaminated Soil from the Montclair/Glen Ridge, New Jersey, Superfund Sites
4. U.S. Environmental Protection Agency (EPA) 1989b Guide for Conducting Treatability Studies under CERCLA
5. U.S. Environmental Protection Agency (EPA) 1992 Characterization Protocol for Radioactive Contaminated Soils