šLouisiana SIP Revision Approved for Sulfur Dioxide Compliance
Air Plan Approval; Louisiana; Nonattainment Plan for the Evangeline Parish 2010 Sulfur Dioxide Primary National Ambient Air Quality Standard Nonattainment Area
Summary
The Environmental Protection Agency (EPA) is approving the State Implementation Plan (SIP) revision which Louisiana submitted to EPA on April 2, 2025, for attaining the Evangeline Parish 2010 1-hour sulfur dioxide (SO<INF>2</INF>) primary national ambient air quality standard (NAAQS) nonattainment area. EPA is finalizing approval of the following Clean Air Act (CAA) SIP elements: The attainment demonstration for the SO<INF>2</INF> NAAQS, which includes an Agreed Order on Consent (AOC) for the Cabot Corporation's Ville Platte Plant (Cabot) facility; the reasonable further progress (RFP) plan; the reasonably available control measures (RACM) and reasonably available control technology (RACT) demonstration; the emission inventories; and the contingency measures. The State has demonstrated that its current Nonattainment New Source Review (NNSR) program covers this NAAQS; therefore, no revision to the SIP is required for the NNSR element.
Agencies
- Environmental Protection Agency
Business Impact
$$ - Med
The approval of Louisiana's State Implementation Plan (SIP) revision regarding sulfur dioxide emissions has significant compliance implications for businesses, particularly those in industries such as manufacturing or energy. It enforces specific emission limits and control measures, which may require financial investments to achieve compliance. Additionally, the inclusion of the Cabot Corporationās facility under this SIP impacts affected stakeholders.