Incorporation by reference

Air Plan Approval; Air Plan Approval; State of Missouri; Revised Plan for 1978 and 2008 Lead NAAQS

The Environmental Protection Agency (EPA) is taking final action to approve the State of Missouri's request to remove its State Implementation Plan (SIP) for maintaining the 1978 Lead National Ambient Air Quality Standards (NAAQS) in portions of Iron County, Missouri, surrounding the former Glover smelter, and replace the maintenance plan with a plan for continued attainment of the 2008 Lead NAAQS regardless of ownership and/or operational status of the Glover facility.

Publication Date: 
Wednesday, April 27, 2022 - 4:00am

Air Plan Approval; NC; NC BART Rule Revisions

The Environmental Protection Agency (EPA) is proposing to approve a North Carolina State Implementation Plan (SIP) revision, submitted through a letter dated April 13, 2021, proposing changes to North Carolina's SIP-approved rule addressing best available retrofit technology (BART) for regional haze. EPA proposes to approve North Carolina's SIP revision because the changes are consistent with Clean Air Act (CAA or Act) requirements.

Publication Date: 
Wednesday, April 27, 2022 - 4:00am

Air Plan Approval; Kentucky; Emissions Statement Requirements for the 2015 8-Hour Ozone Standard Nonattainment Area

The Environmental Protection Agency (EPA) is approving a revision to the Kentucky State Implementation Plan (SIP) submitted to EPA by the Commonwealth of Kentucky through the Kentucky Division for Air Quality (KDAQ) on October 15, 2020.

Publication Date: 
Tuesday, April 26, 2022 - 4:00am

Testing Provisions for Air Emission Sources

This action proposes corrections and updates to regulations for source testing of emissions under various rules. This proposed rule includes corrections to inaccurate testing provisions, updates to outdated procedures, and approved alternative procedures that provide testers enhanced flexibility. The revisions will improve the quality of data but will not impose new substantive requirements on source owners or operators.

Publication Date: 
Tuesday, April 26, 2022 - 4:00am

Air Plan Approval; New Hampshire; Boston-Manchester-Portsmouth Area Second 10-Year Limited Maintenance Plan for 1997 Ozone NAAQS

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of New Hampshire. On July 29, 2021, the State submitted its 1997 ozone national ambient air quality standards (NAAQS) Limited Maintenance Plan (LMP) for the Boston-Manchester-Portsmouth (Portsmouth) area. EPA is approving the Portsmouth area LMP because it provides for the maintenance of the 1997 ozone NAAQS through the end of the second 10- year portion of the maintenance period.

Publication Date: 
Friday, April 22, 2022 - 4:00am

Air Plan Approval; New Hampshire; Rules for Particulate Emissions From Open Sources, Sand and Gravel and Related Sources

The Environmental Protection Agency (EPA) is proposing to approve State Implementation Plan (SIP) revisions of New Hampshire Code of Administrative Rules Chapters Env-A 1000 and Env-A 2800 submitted by the State of New Hampshire on January 8, 2020, and August 19, 2021, respectively. Env-A 1000 establishes requirements for open burning, fugitive dust, and firefighter instruction and training activities.

Publication Date: 
Monday, April 18, 2022 - 4:00am

Air Plan Approval; Iowa; 2015 Ozone NAAQS Interstate Transport Requirements

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Iowa as meeting the Clean Air Act (CAA) requirement that each State's SIP contain adequate provisions to prohibit emissions that will significantly contribute to nonattainment or interfere with maintenance of the 2015 8-hour ozone national ambient air quality standards (NAAQS) in any other state. This action is being taken in accordance with the CAA.

Publication Date: 
Friday, April 15, 2022 - 4:00am

Air Plan Approval; Arizona; Bullhead City; Second 10-Year PM10

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the Bullhead City portion of the Arizona State Implementation Plan (SIP). These revisions concern the second 10-year maintenance plan for the Bullhead City area for the 1987 national ambient air quality standards (NAAQS or ``standards'') for particulate matter less than 10 micrometers in diameter (PM<INF>10</INF>).

Publication Date: 
Thursday, April 14, 2022 - 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 (MCAQD) portion of the Arizona State Implementation Plan (SIP). These revisions concern emissions of particulate matter (PM) from wood burning devices. We are approving local rules that regulate these emission sources under the Clean Air Act (CAA or the Act).

Publication Date: 
Thursday, April 14, 2022 - 4:00am

Approval and Promulgation of Air Quality Implementation Plans; District of Columbia, Maryland, and Virginia; 2017 Base Year Emissions Inventories for the Washington, DC-MD-VA Nonattainment Area for the 2015 Ozone National Ambient Air Quality Standard

The Environmental Protection Agency (EPA) is approving state implementation plan (SIP) revisions submitted by the District of Columbia (DC), State of Maryland (MD), and Commonwealth of Virginia (VA) (collectively, the States). The revisions consist of the base year inventory for the Washington, DC-MD-VA nonattainment area (the DC Area) for the 2015 ozone national ambient air quality standards (NAAQS). This action is being taken under the Clean Air Act (CAA).

Publication Date: 
Wednesday, April 13, 2022 - 4:00am

Pages