Regulations.gov document: Follow-up Letter dated February 14, 2024, from Matthew Lakin, Acting Director, EPA Region 9, Air and Radiation Division, to the Honorable Ken Ramirez, Chairperson, San Manuel Band of Mission Indians, California, Offering Consultation for the 2024 Revised Primary Annual PM2.5 NAAQS Designation — retained record — High Signal
Regulations.gov document: Follow-up Letter dated February 14, 2024, from Matthew Lakin, Acting Director, EPA Region 9, Air and Radiation Division, to the Honorable Ken Ramirez, Chairperson, San Manuel Band of Mission Indians, California, Offering Consultation for the 2024 Revised Primary Annual PM2.5 NAAQS Designation