1. Guidelines establishing test procedures for the analysis of pollutants. Organochlorine pesticides and PCBs - Method 608;U.S. Environmental Protection Agency.;Fed. Reg.,1979
2. Guidelines establishing test procedures for the analysis of pollutants. Base/neutrals and acids - Method 625;U.S. Environmental Protection Agency.;Fed. Reg.,1984
3. Interaction of pesticides with natural organic material;Wershaw;Environ. Sci. Technol.,1969
4. Association of hydrophobic organic compounds with dissolved organic matter in aquatic systems;Hassett;Environ. Sci. Technol.,1979