August 23, 2023

EPA Provides Assist on RCRA Air Emissions

EPA has an air emissions compliance page to assist treatment, storage, and disposal facilities (TSDFs) and large quantity generators (LQGs) of hazardous waste with Parts 264/265, Subparts AA, BB, and CC of RCRA. The page gives some background on the RCRA air emissions standards and a reference to additional applicability information.

A list of key definitions is provided, which is helpful because the RCRA air emissions standards contain many technical definitions applying to specific processes and equipment. To appropriately apply the standards in AA, BB, and CC to a process, it is necessary to understand these definitions. Frequently asked questions provide answers on more complex compliance issues and provide a much better understanding of both the standards and how they apply to specific equipment.

Towards the bottom of the page is a table of resources, including a link to EPA’s RCRA air emissions training page, focusing on applicability, exclusions, and recordkeeping requirements. Permit writers and TSDFs are provided with a permitting page containing permit language examples and checklists on implementing the RCRA and Clean Air Act exemptions and exclusions. Additional guidance is also provided.


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This document addresses issues of a general nature related to the federal RCRA regulations. Persons evaluating specific circumstances dealing with the RCRA regulations should review state and local laws and regulations, which may be more stringent than federal requirements. In addition, the assistance of a qualified professional should be enlisted to address any site-specific circumstances.