Sulfur oxides

Air Plan Approval; New Hampshire; Rules for Particulate Emissions From Open Sources

The Environmental Protection Agency (EPA) is approving State Implementation Plan (SIP) revisions of New Hampshire Code of Administrative Rules Chapter Env-A 1000 submitted by the State of New Hampshire on January 8, 2020. Env-A 1000 establishes requirements for open burning, fugitive dust, and firefighter instruction and training activities. This action is being taken under the Clean Air Act.

Publication Date: 
Thursday, August 11, 2022 - 4:00am

Air Plan Approval; North Dakota; Removal of Exemptions to Visible Air Emissions Restrictions

The Environmental Protection Agency (EPA) is taking final action to approve a revision to North Dakota's State Implementation Plan (SIP) which it received on November 11, 2016. The revision was submitted by the North Dakota Department of Health (NDDH) in response to EPA's finding of substantial inadequacy and SIP call published on June 12, 2015 for a provision in the North Dakota SIP related to excess emissions during startup, shutdown, and malfunction (SSM) events.

Publication Date: 
Tuesday, August 2, 2022 - 4:00am

Approval of Air Quality Implementation Plans; New Jersey; Removal of Excess Emissions Provision

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of New Jersey, through the New Jersey Department of Environmental Protection, on December 14, 2017. The revision submitted by New Jersey was in response to a finding of substantial inadequacy and a SIP call published on June 12, 2015, for a provision in the New Jersey SIP related to excess emissions during startup, shutdown, and malfunction (SSM) events. The EPA is approving the SIP revision to correct the deficiency identified in the June 12, 2015, SIP call.

Publication Date: 
Monday, August 1, 2022 - 4:00am

Air Plan Approval; OR; Vehicle Inspection Program and Medford-Ashland PM10

The Environmental Protection Agency (EPA) is approving revisions to the Oregon state implementation plan (SIP) submitted by the State of Oregon (Oregon) on December 9, 2020 and December 22, 2021. The revisions update the SIP-approved vehicle inspection program for the Portland and Medford areas. The EPA is approving the SIP submittal as consistent with Clean Air Act (Act or CAA) requirements.

Publication Date: 
Tuesday, July 12, 2022 - 4:00am

Air Plan Approval; Washington; Yakima Regional Clean Air Agency, General Air Quality Regulations

The Environmental Protection Agency (EPA) is approving revisions to the Washington State Implementation Plan (SIP) that were submitted by the Department of Ecology (Ecology) in coordination with the Yakima Regional Clean Air Agency (YRCAA). In 2014, 2015, 2016, and 2020, the EPA approved revisions to the General Regulations for Air Pollution Sources promulgated by Ecology in the Washington Administrative Code (WAC). In this action, the EPA is approving an update to the SIP for YRCAA's jurisdiction to reflect these changes to the WAC.

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

Air Plan Approval; Delaware; Sulfur Content of Fuel Oil

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the State of Delaware. The revision pertains to the reduction of the maximum allowable sulfur content limit for distillate fuels, from a current limit of 3000 parts per million (ppm) (0.3% by weight) to 15 ppm (0.0015% by weight) and residential fuels from a current limit of 1.0% by weight to 0.5% by weight. This revision also adds requirements for sampling and testing along with certification and recordkeeping.

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

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

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the State Implementation Plan (SIP) for the State of Missouri. This final action will amend the SIP to incorporate revisions to a state regulation related to the reporting of start-up, shutdown, and malfunction (SSM) events in Missouri. 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.

Publication Date: 
Friday, June 24, 2022 - 4:00am

Air Plan Approval; North Carolina; North Carolina BART Rule Revisions

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

Publication Date: 
Tuesday, June 21, 2022 - 4:00am

Air Plan Approval; Maryland; Nonattainment New Source Review Requirements for 2015 8-Hour Ozone National Ambient Air Quality Standard

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the State of Maryland. The revision certifies that Maryland's existing nonattainment new source review (NNSR) program, covering the Baltimore nonattainment area, the Philadelphia-Wilmington-Atlantic City nonattainment area, and the Washington, DC nonattainment area for the 2015 8-hour ozone national ambient air quality standards (NAAQS), is at least as stringent as applicable Federal requirements.

Publication Date: 
Friday, June 10, 2022 - 4:00am

Approval and Promulgation of Implementation Plans; Montana; Thompson Falls PM10

The Environmental Protection Agency (EPA) is approving the Limited Maintenance Plan (LMP) submitted by the State of Montana to EPA on November 4, 2021, for the Thompson Falls Moderate nonattainment area (NAA) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM<INF>10</INF>) and concurrently redesignating the NAA to attainment for the 24-hour PM<INF>10</INF> National Ambient Air Quality Standard (NAAQS).

Publication Date: 
Wednesday, June 8, 2022 - 4:00am

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