Effective March 23, 2020, the U.S. Environmental Protection Agency (EPA) approved Florida’s redesignation request and Maintenance Plan for the Hillsborough-Polk sulfur dioxide (SO2) maintenance area. See 85 FR 9666 (February 20, 2020).
On April 21, 2023, the department submitted a proposed annual report to EPA verifying ongoing attainment of the 2010 one-hour SO2 National Ambient Air Quality Standard (NAAQS). This report includes:
1) The status of ongoing compliance with the SO2 emission limits for the Mosaic New Wales and Mosaic Bartow facilities.
2) A review of annual emissions data for these facilities.
3) A review of the air dispersion modeling inputs and assumptions identified by EPA as a result of coordination with the department.
4) A certification that there are no changes in the air dispersion modeling inputs and assumptions that could result in a modeled violation.
5) All supporting documentation and data evaluated by the department to prepare its annual report.
The annual report addresses the items listed above to demonstrate that the Hillsborough-Polk maintenance area continues to attain the 2010 SO2 NAAQS.
For additional information, please contact Elizabeth Rogers.
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