Toxic Substances Control Act Are you looking for support in implementing the TSCA? The Toxic Substances Control Act (TSCA) of 1976 is an law in the US-American regulation of chemicals. Its implementation is the responsibility of the Environmental Protection Agency (EPA). TSCA is designed to enable the EPA's use of the least elaborate method to lower the chemical risk to a reasonable level while taking the benefits of the chemical product or process into account. One of the original key requirements was that companies wishing to import substances to the USA for the first time or intending [...]