Radiation proposed rulemakings and stakeholder processes

Contents: Part 9 | Part 10 | Part 21 | Recently amended regulations | Current regulations

Current rulemaking activities

Get the schedule of all department rulemaking activities for the 2024 calendar year

Part 9 Rulemaking

We are holding a stakeholder process to engage and notify stakeholders about proposed changes to the Colorado Rules and Regulations Pertaining to Radiation Control, Part 9, titled “Radiation control – Radiation safety requirements for particle accelerators not used in the healing arts”. The primary proposed changes will correct minor typographical errors, update the section on documents incorporated by reference, add clarifying language, and improve consistency with national model regulations.

To better understand all changes being proposed, interested parties should review all of the documents on this page, including:

• The Part 9 summary of proposed changes.
• The Part 9 draft proposed rule (April 25, 2024).

Stakeholder comment period

A stakeholder comment period for these regulations begins on June 4, 2024 and ends on July 5, 2024. Stakeholders are invited to provide written comments on the proposed regulations to cdphe_CORadRegs@state.co.us on or before July 5, 2024.

Due to the minor nature of the proposed changes, we are not scheduling any stakeholder meetings for this rulemaking. We encourage stakeholders to submit comments in writing or contact the radiation program staff for additional information. Find staff contact information on the rulemaking schedule.

Part 10 Rulemaking

Part 10 rulemaking hearing package to be presented at the June 20, 2024 Board of Health meeting.

Notice of public rulemaking hearing for Radiation Regulations Part 10

We are holding a stakeholder process to engage and notify stakeholders about minor proposed changes to the Colorado Rules and Regulations Pertaining to Radiation Control, Part 10, titled “Radiation Control – Notices, instructions, and reports to workers: inspections”. The primary purpose of the proposed changes is to clarify language for consistency with other radiation control regulations and formatting and to ensure more consistent language with federal rules in 10 CFR Part 19. This rulemaking does not include any substantial changes to the existing requirements.

To better understand all changes being proposed, interested parties should review all of the documents on this page, including:

• The Part 10 summary of proposed changes.
• The Part 10 draft proposed rule (February 28, 2024).
• Part 10 rulemaking schedule.

Stakeholder comment period

A stakeholder comment period for Part 10 was held March 1 through March 31, 2024. No comments were received during the comment period.

A rulemaking hearing is scheduled for June 20, 2024. Refer to the notice of public rulemaking hearing above and the Part 10 rulemaking schedule for further details. 

Part 21 rulemaking: Radon LIRMA program

Part 21 rulemaking hearing package to be presented at the June 20, 2024 Board of Health meeting.

Notice of public rulemaking hearing for Radiation Regulations Part 21

We are holding a stakeholder process to engage and notify stakeholders about proposed changes to the Colorado Rules and Regulations Pertaining to Radiation Control, Part 21, titled “Colorado Low Income Radon Mitigation Assistance (LIRMA) Program”. The proposed changes will clarify existing language and requirements for consistency with the wording of the Colorado Department of Regulatory Agencies (DORA) licensing requirements for radon measurement and mitigation professionals.  

To better understand all changes being proposed, interested parties should review all of the documents on this page, including:

• The Part 21 summary of proposed changes.
• The Part 21 draft proposed rule (January 31, 2024).
• Part 21 rulemaking schedule.

Stakeholder comment period

A stakeholder comment period for Part 21 was held February 5 through March 6, 2024. No comments were received during the comment period.

A rulemaking hearing for Part 21 is scheduled for June 20, 2024. Refer to the public notice of rulemaking hearing above and the Part 21 rulemaking schedule for further details.