1. P.G. Campbell, A. Tessier, Metal Speciation in Natural Waters: Influence of Environmental Acidification, in: R.A. Hites, S.J. Eisenreich (Eds.), Sources and fates of aquatic pollutants, Advances in Chemistry Series 216, American Chemical Society, Washington DC, 1987.
2. USEPA, Method 1310, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, third ed., SW 486 and additions thereto, November, 1986.
3. USEPA, Soil Sediment Washing System, EPA/540/MR-921075, October, 1992.
4. P. Bardos et al., Contaminated and Treatment Concepts under Development at Warren Spring Laboratory, Euroenviron Contaminated Land Workshop, September, 1990.
5. R. Raghavan, E. Coles, D. Dietz, Cleaning Excavated Soil Using Extraction Agents: A State-of-the-Art Review, EPA/600/S-89/034, January 1990.