What has TSCA §8 established?

The correct answer focuses on the establishment of the TSCA inventory and record-keeping requirements under Section 8 of the Toxic Substances Control Act (TSCA). This section mandates the Environmental Protection Agency (EPA) to create and maintain a comprehensive inventory of chemical substances that are manufactured or processed in the United States. This inventory is crucial because it helps track chemicals that are in use and provides essential information for assessing their potential risks to human health and the environment.

By requiring manufacturers and processors to report their chemical substances and maintain records, Section 8 facilitates informed regulatory actions and risk evaluations for the substances listed. This contributes significantly to ensuring safety and compliance with federal standards.

The other options, while related to environmental regulation, do not pertain specifically to the mandates of TSCA §8. Hazardous waste management protocols, guidelines for chemical disposal, and safe exposure limits address other aspects of environmental protection and regulation, which are covered under different sections or laws. Thus, the focus of TSCA §8 is primarily on the inventory and record-keeping aspects, which is what makes the correct answer relevant and accurate.