Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

JavaScript appears to be disabled on this computer. Please click here to see any active alerts.

Tribal Actions and Events Calendar

This calendar includes the following information:

Upcoming outreach activities (e.g., rulemaking webinars, trainings)
National Tribal Council (NTC) monthly meetings,
National Tribal Air Association (NTAA) meetings,
Upcoming regulatory dates (e.g., expected rule proposal dates).
Previous Trainings and Webinars

For inquires or to add an entry to the calendar, please contact: Shojgreen.Ricardo@epa.gov or Kaufman.Amanda@epa.gov

Open Comment Periods and Other Actions

Upcoming Event

Open Comment Periods and Other Actions
Type of Action	Action/ Rulemaking	Due Date
Proposed rule	Regional Haze Third Implementation Period; Extension of the State Implementation Plan Due Date	2/6/2025
Notice	Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; Implementation of the 8-Hour National Ambient Air Quality Standards for Ozone (Renewal)	2/18/2025
Final rule	State Implementation Plan Submittal Deadlines and Implementation Requirements for Reclassified Nonattainment Areas Under the Ozone National Ambient Air Quality Standards	2/18/2025
Notice	Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; NESHAP for Chemical Recovery Combustion Sources at Kraft, Soda, Sulfite, and Stand-Alone Semichemical Pulp Mills (Renewal)	2/18/2025
Notice	Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; NESHAP for Natural Gas Transmission and Storage (Renewal)	2/18/2025
Notice	Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; NESHAP for Marine Tank Vessel Loading Operations (Renewal)	2/18/2025
Proposed rule	Review of National Emission Standards for Hazardous Air Pollutants for Polyether Polyols Production Industry	2/25/2025
Proposed rule	Reconsideration of Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review	3/3/2025
Proposed rule; correction	Reconsideration of Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review; Correction	3/3/2025
Proposed rule	Review of New Source Performance Standards for Stationary Combustion Turbines and Stationary Gas Turbines	3/13/2025
Notice of availability and public comment period	Notice of Availability of One New Chapter in the Environmental Protection Agency’s Air Pollution Control Cost Manual—Dry Sorbent Injection	3/17/2025
Proposed rule	National Emission Standards for Hazardous Air Pollutants: Chemical Manufacturing Area Sources Technology Review	3/24/2025
Proposed rule; request for comment; reopening of comment period	Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources: Large Municipal Waste Combustors Voluntary Remand Response and 5- Year Review; Reopening of Comment Period	7/16/2025

February 2025

Mon	Tue	Wed	Thu	Fri
3	4	5	6 Proposed rule Regional Haze Third Implementation Period; Extension of the State Implementation Plan Due Date Comments Due Today	7
10	11	12	13	14
17	18 Notice Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; Implementation of the 8-Hour National Ambient Air Quality Standards for Ozone (Renewal) Comments Due Today Final rule State Implementation Plan Submittal Deadlines and Implementation Requirements for Reclassified Nonattainment Areas Under the Ozone National Ambient Air Quality Standards Effective Today Notice Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; NESHAP for Chemical Recovery Combustion Sources at Kraft, Soda, Sulfite, and Stand-Alone Semichemical Pulp Mills (Renewal) Comments Due Today Notice Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; NESHAP for Natural Gas Transmission and Storage (Renewal) Comments Due Today Notice Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; NESHAP for Marine Tank Vessel Loading Operations (Renewal) Comments Due Today	19	20	21
24	25 Proposed rule Review of National Emission Standards for Hazardous Air Pollutants for Polyether Polyols Production Industry Comments Due Today	26	27	28

March 2025

Mon	Tue	Wed	Thu	Fri
3 Proposed rule Reconsideration of Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review Comments Due Today Proposed rule; correction Reconsideration of Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review; Correction Comments Due Today	4	5	6	7
10	11	12	13 Proposed rule Review of New Source Performance Standards for Stationary Combustion Turbines and Stationary Gas Turbines Comments Due Today	14
17 Notice of availability and public comment period Notice of Availability of One New Chapter in the Environmental Protection Agency’s Air Pollution Control Cost Manual—Dry Sorbent Injection Comments Due Today	18	19	20	21
24 Proposed rule National Emission Standards for Hazardous Air Pollutants: Chemical Manufacturing Area Sources Technology Review Comments Due Today	25	26	27	28
31

Previous Trainings and Other Resources
Consultation with Tribes