[2][3] It focused on the toxicology of potentially hazardous chemicals, and included information on human exposure, industrial hygiene, emergency handling procedures, environmental fate, regulatory requirements, and related areas.
All data were referenced and derived from a core set of books, government documents, technical reports, and selected primary journal literature.
Prior to 2020, all entries were peer-reviewed by a Scientific Review Panel (SRP), members of which represented a spectrum of professions and interests.
The SRP was terminated due to budget cuts and realignment of the NLM.
[3] The Toxicology Data Network (TOXNET) was a group of databases hosted on the National Library of Medicine (NLM) website that covered "chemicals and drugs, diseases and the environment, environmental health, occupational safety and health, poisoning, risk assessment and regulations, and toxicology".