NCMSCompliance Assistance Centers

Funded by EPA
through a Cooperative Agreement


The information contained in this site is provided for your review and convenience. It is not intended to provide legal advice with respect to any federal, state, or local regulation. You should consult with legal counsel and appropriate authorities before interpreting any regulations or undertaking any specific course of action.

Applicability Determination Index


The Applicability Determination Index (ADI) is a web-based database that contains memoranda issued by EPA on applicability and compliance issues associated with air pollution regulations (e.g., Maximum Achievable Control Technology). Use the links below to access the ADI for specific plating and coating topics. Alternatively, you can create your own customized search on the ADI Search page.

Prepared Searches (Click on topic below, wait for EPA page to load, then click on the Go! button.)

Maximum Achievable Control Technology (MACT) (Part 63)

Aerospace Manufacturing and Rework Facilities (Part 63, GG)
Halogenated Solvent Cleaning (Part 63, T)
Chrome Plating (Part 63, N)