Regulations.gov document: Governor's Designations Submission: Letter dated February 6, 2025, from Philip D. Roos, Director, MI Department of Environment, Great Lakes, and Energy, to Cheryl L. Newton, Acting Regional Administrator, EPA Region 5, Regarding PM2.5 Designations in Michigan
Regulations.gov document: Governor's Designations Submission: Letter dated February 6, 2025, from Philip D. Roos, Director, MI Department of Environment, Great Lakes, and Energy, to Cheryl L. Newton, Acting Regional Administrator, EPA Region 5, Regarding PM2.5 Designations in Michigan — retained record — High Signal