Search Results for keywords:"air pollutants"

The Environmental Protection Agency (EPA) has sent a request to extend data collection for the NESHAP regulations on nutritional yeast manufacturing to the Office of Management and Budget (OMB) for review. This request has already been approved until February 28, 2025, but the EPA is asking for additional comments from the public by March 31, 2025. These regulations aim to control the emission of harmful air pollutants from yeast manufacturing facilities. The requirements include initial notifications, performance tests, and regular reports to ensure compliance.

The Environmental Protection Agency (EPA) has finalized a rule approving a revision to the Feather River Air Quality Management District (FRAQMD) segment of California's State Implementation Plan (SIP). This revision involves replacing historical air pollution control rules for Sutter and Yuba Counties with updated FRAQMD rules under the Clean Air Act. The action essentially updates the SIP with FRAQMD's rules, aiming to make the rules clearer and more effective without altering their substance. This rule will be effective on April 18, 2025, and ensures a coherent regulatory framework for controlling air pollutants in the district.

The Environmental Protection Agency (EPA) is proposing to approve revisions to West Virginia's state implementation plan (SIP), which updates the state's incorporation of the EPA's National Ambient Air Quality Standards (NAAQS) and related monitoring methods. These changes span updates made between June 2018 and June 2019, including new reference methods for measuring air pollutants like sulfur oxides, ozone, nitrogen dioxide, and carbon monoxide. This proposal is made under the Clean Air Act, and the EPA is inviting public comment on this update, although they are not seeking input on the specific levels of NAAQS already established in prior proposals.

The Environmental Protection Agency (EPA) has approved revisions to the Mojave Desert Air Quality Management District's (MDAQMD) portion of the California State Implementation Plan (SIP). These revisions involve updating rules for managing air pollutants such as volatile organic compounds, nitrogen oxides, and particulate matter. The changes aim to ensure that the SIP reflects current rules that align with those enforced by the MDAQMD. The final rules will become effective on January 3, 2025, and include the incorporation of certain administrative and prohibitory standards into the SIP.