Applicability Determination Index Data System Posting: EPA Formal Responses to Inquiries Concerning Compliance With the Clean Air Act Stationary Source Program

Publication Date: 
Monday, February 22, 2021 - 4:00am

This notice announces the availability of applicability determinations, alternative monitoring decisions, and regulatory interpretations made by EPA with regard to the New Source Performance Standards (NSPS); the National Emission Standards for Hazardous Air Pollutants (NESHAP); the Emission Guidelines and Federal Plan Requirements for existing sources; and/or the Stratospheric Ozone Protection Program.

Environmental Protection Agency