On this page: Background | Public meetings | Final reports | Air Quality Control Commission rulemaking and informational hearing schedules | Contact us
Help in your language: Free language assistance services are available to you. To request assistance in Spanish or another language, please email cdphe_apcd_outreach@state.co.us. Please include the topic and “language assistance” in the subject line. Please also link to the specific information you’d like to access, if possible, such as a web page or document.
Update: The Air Pollution Control Division has completed the initial public input process for this rulemaking. Next, the Air Quality Control Commission will consider adopting the proposed rule. You can find the rulemaking hearing date and schedule on the commission’s calendar.
There are several ways to stay engaged in the rulemaking process:
- Submit written comments or questions about the proposed rule to the commission directly: cdphe.aqcc@state.co.us. These written comments will be included in the hearing record if submitted after the notice is published.
- Participate in the rulemaking hearing, which is open to the public. The commission typically posts a meeting registration link, with optional public comment registration on its website about two weeks before a rulemaking hearing. Hearing documents are available on the commission’s website 3-4 months prior to the hearing.
- Become a party to the rulemaking hearing. More information is available on the commission’s web page on what party status means and how the process works.
- Sign-up for email updates from the Air Pollution Control Division for information on future air quality rulemakings and public participation opportunities.
Background
On June 2, 2022, Colorado adopted HB22-1244: The Public Protections From Toxic Air Contaminants Act was signed into state law. This law requires rulemaking actions by the Air Quality Control Commission to:
- Receive a report from the division to identify gaps in toxic air contaminant reporting.
- Based on this analysis, consider changes to the toxic air contaminant reporting requirements, beginning with calendar year 2025 emissions.
Additional information regarding toxic air contaminant reporting in Colorado is available on the toxic air contaminants reporting website.
Final reports
The division accepted public comments on the draft gap analysis report through July 3, 2024 and submitted a final report to the Air Quality Control Commission.
Air Quality Control Commission rulemaking and informational hearing schedules
Rulemaking hearing: April 16-7, 2025.
- Topic: The commission will consider revisions to Regulation 3 and 7 to address the air toxic reporting requirements, as required by state law.
Contact us
Questions? Contact: cdphe_apcd_airtoxics@state.co.us
Use the subject line: Air Toxics Reporting.