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Comparison of Tier II, TRI, and 112(r) Requirements

Compares the requirements for Tier II, TRI, and Section 112(r).

The Emergency Planning and Community Right-to-Know Act (EPCRA) requires businesses that store and/or manufacture, process, or use certain chemicals to complete the Tier II (EPCRA 311 and 312) Report and/or the Toxics Release Inventory (EPCRA 313) Report, also called the Form R.

Section 112(r) of the Clean Air Act focuses on risk management for accident prevention. While these three programs have similar reporting elements, they have significant differences outlined in the following table.