Public Comment Form

Commenting open: January 17, 2025 12:00AM CT - February 18, 2025 11:59PM CT.

Valero Renewable Fuels (Welcome) - Air Permit

We invite you to comment on the draft air quality permit for Valero Renewable Fuels in Welcome.


Valero Renewable Fuels produces ethanol at its facility in Welcome. The facility produces emissions from its grain handling, fermentation, distillation, drying, and loadout operations.


The draft air permit adds a replacement conveyor, updated monitoring requirements for an existing thermal oxidizer, and updated operating conditions based on recent performance testing. The permit limits emissions and requires testing for particulate, volatile organic compounds, and hazardous air pollutants.


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 are necessary, the MPCA may review and amend the permit.



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Thank you for providing feedback on this project. We value your comments and will use them to assess this project further.


In your comments, please state your interest in the permit application or the draft permit; the explicit actions you wish the MPCA to take, including specific references to the section of the draft permit you believe should be changed; and the reasons supporting your position, stated with sufficient specificity as to allow the MPCA to investigate the merits of the position.


If you want to submit a letter, you can upload the letter on this website or submit it via US Mail to the following address:


Minnesota Pollution Control Agency
c/o Michel Van Der Wal
520 Lafayette Road
Saint Paul, MN 55155

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