Review of the Primary National Ambient Air Quality Standards for Sulfur Oxides

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 50 [EPA-HQ-OAR-2013-0566; FRL-9979-00-OAR] RIN 2060-AT68 AGENCY: Environmental Protection Agency (EPA). ACTION: Proposed action. SUMMARY: Based on the Environmental Protection Agency's (EPA's) review of the air quality criteria addressing human health effects and the primary national ambient air quality standard (NAAQS) for sulfur oxides (SO X ), the EPA is proposing to retain the current standard, without revision. DATES: Comments must be received on or before July 23, 2018. If, by June 15, 2018, the EPA receives a request from a member of the public to speak at a public hearing concerning the proposed decision (see SUPPLEMENTARY INFORMATION below), we will hold a public hearing, with information about the hearing provided in a subsequent notice in the Federal Register . ADDRESSES: You may submit comments, identified by Docket ID No. EPA-HQ-OAR-2013-0566, to the Federal eRulemaking Portal: http://www.regulations.gov . Instructions: Follow the online instructions for submitting comments. Once submitted to the Federal eRulemaking Portal, comments cannot be edited or withdrawn. The EPA may publish any comment received to its public docket. Do not submit electronically any information you consider to be Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Multimedia submissions (audio, video, etc.) must be accompanied by a written comment. The written comment is considered the official…