Air pollution control

Air Plan Approval; MS; BART SIP and Regional Haze Progress Report

The Environmental Protection Agency (EPA) is approving two Mississippi State Implementation Plan (SIP) revisions from the Mississippi Department of Environmental Quality (MDEQ) dated October 4, 2018, and August 13, 2020. The October 4, 2018, SIP revision contains the State's first periodic report describing progress towards reasonable progress goals (RPGs) established for regional haze and contains the associated determination that the State's regional haze SIP is adequate to meet these RPGs for the first implementation period (Progress Report).

Publication Date: 
Wednesday, October 6, 2021 - 4:00am

Protection of Stratospheric Ozone: Listing of Substitutes Under the Significant New Alternatives Policy Program; Supplemental Proposal

Pursuant to the U.S. Environmental Protection Agency's Significant New Alternatives Policy program, the Agency is proposing, as an additional option, to list for a limited period of time certain substances in the foamblowing sector, extruded polystyrene: Boardstock and billet end-use, as acceptable, subject to narrowed use limits. This proposal supplements the Agency's June 12, 2020, proposal with respect to the proposed listings in the foam-blowing sector, taking into consideration public comments and information received since issuance of the initial proposal.

Publication Date: 
Wednesday, October 6, 2021 - 4:00am

Clean Air Plans; Base Year Emissions Inventories for the 2015 Ozone Standards; California

The Environmental Protection Agency (EPA) is proposing to approve revisions to the California State Implementation Plan (SIP) concerning the base year emissions inventories for 18 areas designated as nonattainment areas (NAAs) for the 2015 ozone National Ambient Air Quality Standards (2015 ozone NAAQS) submitted on July 24, 2020.

Publication Date: 
Tuesday, October 5, 2021 - 4:00am

Phasedown of Hydrofluorocarbons: Establishing the Allowance Allocation and Trading Program Under the American Innovation and Manufacturing Act

The Environmental Protection Agency is issuing regulations to implement certain provisions of the American Innovation and Manufacturing Act, as enacted on December 27, 2020. This Act mandates the phasedown of hydrofluorocarbons, which are highly potent greenhouse gases, by 85 percent over a period ending in 2036.

Publication Date: 
Tuesday, October 5, 2021 - 4:00am

Air Plan Approval; Illinois; National Ambient Air Quality Standards Updates; Reference and Equivalent Methods Updates

The Environmental Protection Agency (EPA) is approving several revisions to the Illinois State Implementation Plan (SIP). First, EPA is approving amendments to the Illinois SIP that incorporate by reference EPA's current national ambient air quality standard for ozone, particulate matter, lead, nitrogen dioxide, and sulfur oxides. Second, EPA is approving revisions to the Illinois SIP that incorporate by reference current Federal Reference Methods for monitoring carbon monoxide, ozone, particulate matter, lead, nitrogen dioxide, and sulfur oxides.

Publication Date: 
Monday, October 4, 2021 - 4:00am

Air Plan Approval; Arizona; Maricopa County Air Quality Department

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Maricopa County Air Quality Department's (MCAQD) Rule 510 as part of the Arizona State Implementation Plan (SIP). These rule revisions concern updates to the maximum levels of ambient air pollution for the protection of public health and welfare. We are finalizing our proposed approval of this rule to regulate ambient air emissions under the Clean Air Act (CAA or the Act).

Publication Date: 
Monday, October 4, 2021 - 4:00am

Air Plan Approval; Ohio; Infrastructure SIP Requirements for the 2015 Ozone NAAQS; Correction

This action corrects codification errors in the Ohio State Implementation Plan (SIP) regarding the infrastructure requirements of section 110 of the Clean Air Act (CAA) for the 2015 Ozone National Ambient Air Quality Standards (NAAQS).

Publication Date: 
Monday, October 4, 2021 - 4:00am

Air Plan Approval and Operating Permit Program; KY; Public, Affected State, and EPA Review

The Environmental Protection Agency (EPA) is approving changes to the Kentucky State Implementation Plan (SIP) and the Kentucky Title V Operating Permit Program (Title V) submitted by the Commonwealth of Kentucky, through the Energy and Environment Cabinet (Cabinet) on August 12, 2020, and March 29, 2021.

Publication Date: 
Friday, October 1, 2021 - 4:00am

Air Plan Approval; AL; NOX

The Environmental Protection Agency (EPA) published a final rule in the Federal Register on July 7, 2021, entitled ``Air Plan Approval; AL; NO<INF>X</INF> SIP Call and Removal of CAIR.'' The July 7, 2021 rule, which became effective on August 6, 2021, contained an error in the amendatory instructions for the regulatory text. This correction does not change any final action taken by EPA in the July 7, 2021, final rule but makes a correction to final regulations.

Publication Date: 
Friday, October 1, 2021 - 4:00am

Approval of Air Quality Implementation Plans; New York; Part 212, Process Operations

The Environmental Protection Agency (EPA) is approving a revision to the New York State Implementation Plan (SIP) concerning process operations. The effect of this revision is to streamline and update provisions, align those provisions with permitting regulations, and provide regulatory certainty for the regulated community.

Publication Date: 
Friday, October 1, 2021 - 4:00am

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