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Rule 25 Sep 2025 lead, missouri, incorporation by reference, air quality, sip, intergovernmental relations, volatile organic compounds, sulfur oxides, environmental regulation, reporting and recordkeeping requirements, epa, particulate matter, compliance, air pollution control, nitrogen dioxide, environmental protection, ozone, carbon monoxide, administrative practice and procedure

🌫️EPA Approves Missouri's Revised State Implementation Plan for Air Quality

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the State Implementation Plan (SIP) for the State of Missouri related to Definitions and Common Reference Tables used in Missouri rules. EPA has also previously approved this rule as part of the air planning and permitting program. Some of the definitions are associated with those programs, even though many of the definitions pertain only to the SIP. These revisions do not impact the stringency of the SIP or have an adverse effect on air quality. The EPA's final approval of this rule revision is being done in accordance with the requirements of the Clean Air Act (CAA).

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Rule 7 Jul 2025 environmental regulation, environmental protection, reporting and recordkeeping requirements, incorporation by reference, intergovernmental relations, ozone, air pollution control, volatile organic compounds, air quality, nitrogen dioxide, clean air act, sulfur oxides, west virginia, sip

🌫️EPA Approves West Virginia's Regional Haze State Implementation Plan

The Environmental Protection Agency (EPA) is approving the regional haze State implementation plan (SIP) revision submitted by West Virginia (West Virginia, WV, or the State) on August 12, 2022, to address applicable requirements under the Clean Air Act (CAA) and the EPA's Regional Haze Rule (RHR) for the regional haze program's second implementation period. The EPA is taking this action pursuant to the CAA.

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Rule 4 Jun 2025 compliance, environmental regulation, environmental protection, epa, reporting and recordkeeping requirements, incorporation by reference, intergovernmental relations, ozone, air pollution control, volatile organic compounds, air quality, particulate matter, california, lead, sulfur oxides, nitrogen oxides, sip

🌫️California Air Plan Approval

The Environmental Protection Agency (EPA) is revising the format for materials submitted by the State of California that are incorporated by reference into the California State Implementation Plan (SIP). The regulations and other materials affected by this format change have all been previously submitted by the State of California and approved by the EPA. This format revision will primarily affect the "Identification of plan--in part" sections, as well as the format of the SIP materials that will be available for public inspection at the EPA Regional Office and the National Archives and Records Administration (NARA). This action, which only relates to local ordinances and certain local and regional California air district rules, is the second of a series of actions intended to change the format for the entire California SIP.

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