Lead

Air Plan Approval; AK; Removal of Excess Emissions Provision

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Alaska, through the Alaska Department of Environment Conservation, on January 9, 2017. The revision was submitted by Alaska in response to a finding of substantial inadequacy and SIP call published on June 12, 2015, for a provision in the Alaska SIP related to excess emissions during startup, shutdown, and malfunction (SSM) events. EPA is approving the SIP revision and finds that such SIP revision corrects the deficiency identified in the June 12, 2015, SIP call.

Publication Date: 
Thursday, February 17, 2022 - 4:00am

Approval of Arizona State Implementation Plan Revisions; Maricopa County Air Quality Department; Stationary Source Permits; New Source Review

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Maricopa County Air Quality Department's (MCAQD or Department) portion of the state implementation plan (SIP) for the State of Arizona. We are finalizing full approval of six MCAQD rules for the Department's New Source Review (NSR) preconstruction permitting program for new and modified stationary sources of air pollution under the Clean Air Act (CAA or the Act). The revisions update the MCAQD's NSR permitting program for new and modified sources of air pollution.

Publication Date: 
Tuesday, February 15, 2022 - 4:00am

Air Plan Approval; AK; Incorporation by Reference Updates and Permit Program Revisions

The Environmental Protection Agency (EPA) is approving revisions to the Alaska State Implementation Plan (SIP) submitted on November 10, 2020. The revisions update the adoption by reference of certain Federal air regulations and add a pre-approved emission limit option that may be used to permit diesel engine facilities, among other changes. The EPA's approval makes the revisions federally enforceable as part of the Alaska SIP.

Publication Date: 
Thursday, February 10, 2022 - 4:00am

Finding of Failure To Attain the 2008 Lead and 2010 Sulfur Dioxide Standards; Arizona; Hayden and Miami Nonattainment Areas

The Environmental Protection Agency (EPA) is determining that the Hayden lead (Pb) nonattainment area (NAA) failed to attain the 2008 Pb primary and secondary national ambient air quality standards (NAAQS or ``standards'') by the applicable attainment date of October 3, 2019. The EPA is also determining that the Hayden and Miami sulfur dioxide (SO<INF>2</INF>) NAAs failed to attain the 2010 1-hour SO<INF>2</INF> primary NAAQS by the applicable attainment date of October 4, 2018.

Publication Date: 
Monday, January 31, 2022 - 4:00am

Air Plan Approval; North Carolina; Mecklenburg: Source Testing

The Environmental Protection Agency (EPA) is finalizing approval of a State Implementation Plan (SIP) revision to the Mecklenburg County portion of the North Carolina SIP, hereinafter referred to as the Mecklenburg County Local Implementation Plan (LIP). The revision was submitted through the North Carolina Division of Air Quality (NCDAQ), on behalf of Mecklenburg County Air Pollution Control (MCAQ), via a letter dated April 24, 2020, which was received by EPA on June 19, 2020.

Publication Date: 
Tuesday, January 25, 2022 - 4:00am

Air Plan Approval; North Carolina; Mecklenburg Monitoring, Recordkeeping, and Reporting Rule Revisions

The Environmental Protection Agency (EPA) is finalizing a State Implementation Plan (SIP) revision to the Mecklenburg County portion of the North Carolina SIP, hereinafter referred to as the Mecklenburg Local Implementation Plan (LIP). The revision was submitted by the State of North Carolina, through the North Carolina Division of Air Quality (NCDAQ), on behalf of Mecklenburg County Air Quality (MCAQ) via a letter dated April 24, 2020, and was received by EPA on June 19, 2020.

Publication Date: 
Tuesday, January 25, 2022 - 4:00am

Air Plan Approval; Washington; Update to the Yakima Regional Clean Air Agency Wood Heater and Burn Ban Regulations

The Environmental Protection Agency (EPA) is approving revisions to the Yakima Regional Clean Air Agency (YRCAA) regulations designed to control particulate matter from residential wood heaters, such as woodstoves and fireplaces. The updated YRCAA regulations set fine particulate matter trigger levels for impaired air quality burn bans, consistent with statutory changes enacted by the Washington State Legislature.

Publication Date: 
Monday, January 24, 2022 - 4:00am

Disapproval of Air Quality Implementation Plans; Wyoming; Proposed Revisions to Regional Haze State Implementation Plan

The Environmental Protection Agency (EPA) is proposing to disapprove a State Implementation Plan (SIP) revision submitted by the State of Wyoming on May 14, 2020, and supplemented in September and October 2020, addressing regional haze (``Wyoming's 2020 SIP revision'').

Publication Date: 
Tuesday, January 18, 2022 - 4:00am

Air Plan Approval; North Carolina; Minor Revisions to Cotton Ginning Operations Rule

The Environmental Protection Agency (EPA) is approving a revision to the North Carolina State Implementation Plan (SIP) submitted by the State of North Carolina Department of Environmental Quality, Division of Air Quality, via a letter dated April 13, 2021, and received by EPA on April 14, 2021. This revision contains minor clarifying and typographical edits to North Carolina's cotton ginning operations rule. EPA is finalizing approval of these changes pursuant to the Clean Air Act (CAA or Act).

Publication Date: 
Tuesday, January 11, 2022 - 4:00am

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

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Connecticut 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: 
Monday, December 20, 2021 - 4:00am

Pages