Toxicology Data Network (TOXNET)
Cluster of databases on toxicology, hazardous chemicals, and related areas. From the U.S. National Library of Medicine.
National Toxicology Program (NTP)
Evaluates chemicals registered for use in the United States. Includes sections on testing information, study results and research projects, and public health assessments.
Minimal Risk Levels for Hazardous Substances
Offers estimates of the daily human exposure to a hazardous substance that is likely to be without appreciable risk of adverse noncancer health effects over a specified duration of exposure.
EXtension TOXicology NETwork (EXTOXNET)
Pesticide toxicology and environmental chemistry information for the general public - fully searchable and selectively retrievable.
Toxicology Curriculum for Communities Trainer's Manual
Provides training modules for lectures or seminars on the topic of toxicology and issues surrounding environmental exposures. From the U. S. Agency for Toxic Substances and Disease Registry.