Frequent Questions

What is the scope of the final headworks exemption rule?

This final rule revises the wastewater treatment exemptions for hazardous waste mixtures found in 40 CFR 261.3(a)(2)(iv)(A-G), also known as the headworks rule exemptions. This action is promulgated under the authority of sections 2002(a), 3001, 3002, 3004, and 3006 of the Solid Waste Disposal Act of 1970, as amended by both the Resource Conservation and Recovery Act of 1976 (RCRA) and the Hazardous and Solid Waste Amendments (HSWA) of 1984.

For more information, visit the headworks web page at:

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