Commenting open: September 14, 2022 12:00AM CT - October 14, 2022 11:59PM CT.
Le Sueur Incorporated - Air Permit
We invite you to comment on the draft air quality permit for Le Sueur Inc.
Le Sueur Incorporated is an aluminum foundry that emits pollutants in its furnaces that melt the aluminum; equipment for pouring, casting, and cooling the molten aluminum used die casting; permanent mold and sand mold technologies; core making machines; equipment for grinding, cleaning, shot-blasting, and finishing the castings; sand handling equipment; and plant heating equipment.
This permit action incorporates a moderate amendment for changes in materials used in the Core Wash and Mold Spray processes.
An air quality operating permit is required for certain existing facilities or the construction of new facilities that have the potential to emit a significant level of any regulated pollutant. The permit includes all requirements for operation and procedures, applicable rules, emission standards, monitoring, recordkeeping, and reporting. If additional conditions change and modifications to the permit are necessary, the MPCA may review and amend the permit.
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