More details are reported here, in the NLM Technical Bulletin, No. 360, dated January/February 2008. This information was also disseminated via NLM-Tox-Enviro-Health-L…with an invitation to subscribe.

Among the entries under Articles and Databases from the Library’s homepage you will find TOXLINE which is specific, bibliographic database in the TOXNET group of databases.
ToxSeek is also listed which is a “meta” & clustering search engine for many governmental resources on environmental health and toxicology .