U.S. Environmental Protection Agency.
This law provides EPA with authority to require reporting, record-keeping and testing requirements, and restrictions relating to chemical substances and/or mixtures. Drugs, cosmetics, foods, food additives, pesticides, and nuclear materials are exempt from TSCA.
Sec. 2603 (Testing of chemical substances and mixtures) gives authority to EPA to develop regulations on good laboratory practices for conducting studies.
For background information about the TSCA and detailed links on chemicals testing, see Summary of the Toxic Substances Control Act (Environmental Protection Agency).