Lead

Air Plan Approval; GA; Updates to References to Appendix W Modeling Guidelines

The Environmental Protection Agency (EPA) is finalizing approval of a State Implementation Plan (SIP) revision submitted by the State of Georgia, through the Georgia Environmental Protection Division (GA EPD) on September 1, 2020. Specifically, EPA is finalizing approval of updates to the incorporation by reference of federal prevention of significant deterioration (PSD) new source review (NSR) regulations in the Georgia SIP.

Publication Date: 
Monday, May 9, 2022 - 4:00am

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; 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; 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

Air Plan Approval; South Dakota; Revisions to South Dakota Codified Law and Administrative Rules of South Dakota

With this direct final rule, the Environmental Protection Agency (EPA or the ``Agency'') is promulgating approval of South Dakota's submittal requesting that EPA recognize the merger of South Dakota's Department of Agriculture (DOA) with the Department of Environment and Natural Resources (DENR) to form the new Department of Agriculture and Natural Resources (DANR) and incorporate corresponding non-substantive revisions to the South Dakota Codified Law (SDCL) and the Administrative Rules of South Dakota (ARSD) into South Dakota's Implementation Plan.

Publication Date: 
Monday, April 11, 2022 - 4:00am

Approval and Promulgation of Implementation Plans; South Dakota; Revisions to South Dakota Codified Law and Administrative Rules of South Dakota

The Environmental Protection Agency (EPA or the ``Agency'') is proposing approval of South Dakota's submittal requesting that EPA recognize the merger of South Dakota's Department of Agriculture (DOA) with the Department of Environment and Natural Resources (DENR) to form the new Department of Agriculture and Natural Resources (DANR) and incorporate corresponding non-substantive revisions to the South Dakota Codified Law (SDCL) and the Administrative Rules of South Dakota (ARSD) into South Dakota's State Implementation Plan.

Publication Date: 
Monday, April 11, 2022 - 4:00am

Air Plan Approval; Indiana, Ohio; Definition of Chemical Process Plants Under State Prevention of Significant Deterioration Regulations and Operating Permit Programs

The Environmental Protection Agency (EPA) is approving revisions to the State Implementation Plan (SIP) for Indiana and revisions to the operating permit program for Ohio. The revisions incorporate changes to the definition of ``chemical process plants'' under Indiana's Prevention of Significant Deterioration (PSD) regulations and under Ohio's operating permit program. EPA also provided an opportunity for public comment on similar changes to the definition of ``major stationary source'' in Ohio's PSD regulations that were approved into the SIP on October 28, 2014.

Publication Date: 
Thursday, April 7, 2022 - 4:00am

Air Plan Approval; Missouri; Start-Up, Shutdown, and Malfunction Conditions

The Environmental Protection Agency (EPA) is proposing to approve revisions to the Missouri State Implementation Plan (SIP) received on February 11, 2020. In the submission, Missouri requests to revise a regulation related to reporting of start-up, shutdown, and malfunction (SSM) events. The revisions to this rule include adding incorporations by reference to other State rules, including definitions specific to the rule and making administrative wording changes. These revisions do not impact the stringency of the SIP or air quality.

Publication Date: 
Thursday, April 7, 2022 - 4:00am

Finding of Failure To Attain the 2010 Sulfur Dioxide Standard; Tennessee; Sullivan County Nonattainment Area

The Environmental Protection Agency (EPA or Agency) is finalizing the determination that the Sullivan County, Tennessee, sulfur dioxide (SO<INF>2</INF>) nonattainment area (hereinafter referred to as ``the Sullivan County Area'' or ``Area'') failed to attain the 2010 1-hour SO<INF>2</INF> primary National Ambient Air Quality Standard (NAAQS or standard) by the applicable attainment date of October 4, 2018, based upon a weight of evidence analysis of available quality-assured and certified SO<INF>2</INF> ambient air monitoring data and SO<INF>2</I

Publication Date: 
Tuesday, April 5, 2022 - 4:00am

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