National Emission Standards for Hazardous Air Pollutants: Primary Copper Smelting Residual Risk and Technology Review and Primary Copper Smelting Area Source Technology Review; Extension of Comment Period

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Part 63 [EPA-HQ-OAR-2020-0430; FRL-7522-03-OAR] RIN 2060-AU63 AGENCY: Environmental Protection Agency (EPA). ACTION: Proposed rule; extension of comment period. SUMMARY: On January 11, 2022, the U.S. Environmental Protection Agency (EPA) proposed a rule titled “National Emission Standards for Hazardous Air Pollutants: Primary Copper Smelting Residual Risk and Technology Review and Primary Copper Smelting Area Source Technology Review.” The EPA is extending the comment period on this proposed rule that currently closes on February 25, 2022, by 60 days. The comment period will now remain open until April 26, 2022, to allow additional time for Tribal Nations and stakeholders to review and comment on the proposal. ( printed page 10326) DATES: The public comment period for the proposed rule published in the Federal Register on January 11, 2022 ( 87 FR 1616 ), originally ending February 25, 2022, is being extended by 60 days. Written comments must be received on or before April 26, 2022. ADDRESSES: Submit comments, identified by Docket ID No. EPA-HQ-OAR-2020-0430, by any of the following methods: Federal eRulemaking Portal: https://www.regulations.gov/​ (our preferred method). Follow the online instructions for submitting comments. Email: a-and-r-docket@epa.gov . Include Docket ID No. EPA-HQ-OAR-2020-0430 in the subject line of the message. Fax: (202) 566-9744. Attention Docket ID No. EPA-HQ-OAR-2020-0430. Mail: U.S. Environm…