Administration of Cross-State Air Pollution Rule Trading Program Assurance Provisions for 2025 Control Period

The U.S. Environmental Protection Agency (EPA) is providing notice of the availability of data on the administration of the assurance provisions of the Cross-State Air Pollution Rule (CSAPR) trading program for the 2025 control period. Virginia units participating in the CSAPR NO<INF>X</INF> Ozone Season Group 2E Trading Program during the 2025 control period reported total nitrogen oxides (NO<INF>X</INF>) emissions that exceeded the State's assurance level under the program. The EPA has posted on the Agency's website a spreadsheet that presents data demonstrating the exceedance and the Agency's preliminary calculations of the additional allowances that owners and operators of certain Virginia units must surrender. The EPA will consider timely objections to the data and calculations before making final determinations of the additional allowances that owners and operators of certain Virginia units must surrender.