The Right-To-Know Network (RTK NET) "provides free access to numerous databases, text files, and conferences on the environment." The databases of interest to those involved in the physical sciences include the Toxic Release Inventory (TRI); Biennial Reporting System (BRS); Comprehensive Environmental Response, Compensation, and Liability Information System (CERCLIS); and the Accident Release Information Program (ARIP). Users can find factsheets and links about the databases as well as related statutes. The website also offers countless links to environmental and other data.