EXOTOXNET: The Extension Toxicology NetworkThe EXTOXNET InfoBase provides a variety of information about pesticides. Access the Pesticide Information Profiles (PIPs) for specific information on pesticides. Toxicology Information Briefs (TIBs) contain a discussion of certain concepts in toxicology and environmental chemistry. Other topic areas include: Toxicology Issues of Concern (TICs), Factsheets, News about Toxicology Issues, Newsletters, Resources for Toxicology Information, and Technical Information.