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TENORM Policy Development Stakeholder Process


NOTICE: Stakeholders interested in participating in the Legal Issues Working Group for the ongoing revisions to CDPHE’s TENORM Policy should contact:


Patrick J. Pfaltzgraff

Assistant Attorney General

Colorado Department of Law

Natural Resources and Environment Section

Water Quality and Radiation Control Unit

Ralph L. Carr Colorado Judicial Center

1300 Broadway, 7th Floor

Denver, Colorado 80203

720-508-6291 (Direct)

720-508-6000 (Main Switchboard)

720-508-6039 (Fax)



Patrick is organizing a working group meeting to identify all of the legal issues involved in the proposed TENORM Policy revisions, and to set a path toward resolving those issues.  He is working to schedule a three-hour meeting during the first two weeks of April at the Carr Judicial Center. Teleconference capability will be available for those who cannot attend in person, although in-person participation is strongly encouraged. 


TENORM Policy Revision Legal Working Group pdf file     April 7, 2014



The Radiation Program is initiating a comprehensive stakeholder process to revise the Interim Policy and Guidance Pending Rulemaking for Control and Disposition of Technologically-Enhanced Naturally Occurring Radioactive Materials in Colorado pdf file dated February 2007.   

In addition, the Radiation Program is participating in the ongoing Solid Waste stakeholder process for the disposal or beneficial reuse of oil and gas produced water.



TENORM Policy Development Stakeholder Meetings


Meetings will be held at the Colorado Department of Public Health and Environment (CDPHE) Campus Location, 4300 Cherry Creek Drive South, Denver, CO 80246. Attendees will need to check in at the Security Desk located in the main lobby of Building A. The security guard can provide directions to the meeting room.    Map pdf file  


Date Time Location
January 2014 and beyond TBD  TBD


Comments I pdf file             Comments II pdf file            Comments III pdf file            Comments IV pdf file

Comments V pdf file            Comments VI pdf file          Comments VII pdf file


Draft TENORM Policy Revision pdf file

TENORM Kickoff Presentation pdf file   October 8, 2013

TENORM Kickoff Meeting Notes pdf file    October 8, 2013


mRem Levels and Exposure Scenarios pdf file    December 9, 2013

TENORM Meeting #2 Presentation pdf file      December 11, 2013


EPA Radioactive Contamination Cleanup Levels at CERCLA Sites pdf file      August 27, 1997

WQCC Memo:Triennial Review Informational Hearing for Regulation No. 63 - Pretreatment Regulations pdf file      December 28, 2012

WQCC Memo: Triennial Review Informational Hearing for Regulation No.64 - Biosolids Regulations pdf file      January 2, 2013


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Contact Steve Tarlton at (303) 692-3423 or steve.tarlton@state.co.us with questions. 

Send comments to cdphe_tenormpolicyrevision@state.co.us.


Attorneys interested in participating in a sub-group discussion may contact:

Pat Pfaltzgraff, Assistant Attorney General   Email:  patrick.pfaltzgraff@state.co.us

1300 Broadway, 7th Floor

Denver, CO  80203            Phone:  720-508-6291


Stakeholders likely will include:

  • Water treatment entities: Municipalities, water districts, consultants, CDPHE Water Quality Control Division

  • Solid waste facilities: Counties, waste management companies, compost facilities, consultants, CDPHE Solid Waste and Materials Management Program 

  • Wastewater facilities: Municipalities, wastewater districts, consultants, agricultural interests, CDPHE Water Quality Control Division

  • Oil and gas entities: Companies, service companies, consultants, metal recyclers, Colorado Oil and Gas Conservation Commission (COGCC)

  • Environmental groups: General or issue-specific groups 


Relative Radiation Background Doses

Environmental Radionuclides Infographic pdf file        Radiation Dose Chart pdf file  


Related Meetings


  • Governor's Energy Office Beneficial Reuse Meeting - January 7th, 2014  9am to 2pm at the Colorado Mesa University in the University Center Ballroom, Main Campus, Grand Junction    Map pdf file   

Colorado Energy Office and Colorado Mesa University are collaborating to examine the policy and legal barriers to reusing produced water.  The process includes various stakeholders (industry, water law experts, regulators/state agencies, conservation groups) and will result in a white paper establishing the state of knowledge in Colorado and summarizing potential next steps.  The January 7th forum will be focused on the details of the regulatory and legal framework in a moderated conversation among those working in the field. 

For more information, contact:  Tom Hunt at tom.hunt@state.co.us