This document combines Questions & Answers identified in the Nine Metal Fabrication and Finishing Source Categories Area Source NESHAP promulgation package and in subsequent conversations between stakeholders and EPA personnel.

Although EPA has tried to include most of the questions which have been asked, there may be some questions that are not identified here. If you have questions which have not been addressed or have additional questions, please contact your state or local regulatory agency for assistance.

There are 83 questions in this document. If you do not see your question within one subcategory, check the other subcategories. Some questions are relevant to more than one topic.

For more information on the rule, please visit the regulation page for the Metal Fabrication and Finishing Source Categories: National Emission Standards for Hazardous Air Pollutants (NESHAP) Area Source Standards.

• Nine Metal Fabrication and Finishing Area Source Categories 40 CFR Part 63 Subpart XXXXXX (6X) NESHAP Questions & Answers - Revised June 2020 (PDF)(30 pp, 365 K, 6/23/2020)