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Due to a lapse in appropriations, the NRC has ceased normal operations. However, excepted and exempted activities necessary to maintain critical health and safety functions—as well as essential progress on designated critical activities, including those specified in Executive Order 14300—will continue, consistent with the OMB-Approved NRC Lapse Plan.

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Colorado: Agreement State Information

Colorado is an Agreement State. No operating nuclear reactors or NRC-licensed fuel cycle facilities are located in Colorado.

The NRC's Regional Office in Arlington, Texas, (Region IV) is responsible for carrying out the Agency's duties in Colorado.

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Regulatory Contacts for Colorado

State Regulatory Contacts

Agreement State Director

State Liaison Officer

James Grice
Colorado Department of Public Health and Environment
HMWM-RAD-B2
4300 Cherry Creek Drive South
Denver, CO 80246-1530
PH (303)692-3371 FX (303)759-5355
james.grice@state.co.us 

Alternate State Director
Phillip Peterson, Unit Leader
Radioactive Materials Unit
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South
Denver, Colorado 80246-1530
PH (303) 692-3402
phillip.peterson@state.co.us | cdphe.colorado.gov

James Grice
Colorado Department of Public Health and Environment
HMWM-RAD-B2
4300 Cherry Creek Drive South
Denver, CO 80246-1530
PH (303)692-3371 FX (303)759-5355
james.grice@state.co.us

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Radiographer Certification Contacts and Status for Colorado

TBD

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Colorado Regulations

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Individuals To Receive Advance Notification of Radioactive Material and Nuclear Material Shipments

Individuals To Receive Advance Notification of Radioactive Material and Nuclear Material Shipments

Material Category

Individual to be Notified

Part 37
Part 71
Part 73

Captain Sean Schlessman
Commander, Hazardous Materials Section
Colorado State Patrol
15065 South Golden Road
Golden, CO 80401
Office: (303) 273-1900
Cell: (970) 373-6611
Fax: (303) 273-1911
24-Hour Dispatch Phone:(303) 239-4501
E-mail: sean.schlessman@state.co.us

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Regulatory Reviews of the Colorado State Program

 
NRC Review Letters

Year

NRC Review Letters

2024

9/25/24 4/4/24 2/20/24

2023

6/12/23 4/24/23 2/1/23

2022

7/5/22

2021

9/23/21 4/16/21 1/5/21

2020

12/17/20 10/28/20 4/24/20 2/20/20

2018

3/8/18

2017

8/7/17 4/6/17

2016

12/27/16 11/10/16 10/31/16 8/3/16 7/15/16 7/5/16 3/18/16

2015

11/18/15 11/3/15 9/29/15 6/18/15 4/13/15 2/18/15

2014

11/19/14 6/10/14 5/29/14 3/26/14 1/14/14

2013

9/16/13 8/15/13 3/12/13 1/3/13

2012

8/15/12 6/28/12 6/21/12

2011

12/5/11 10/24/11 10/13/11

2010

5/4/10 12/29/09

2008

10/21/08 5/6/08 5/2/08

2007

10/15/07 2/1/07

2006

10/10/06 8/31/06

2005

9/19/05 8/5/05 7/11/05 1/5/05

2004

11/10/04

2003

2/27/03

2002

7/11/02 3/28/02

2001

10/10/01

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Integrated Materials Performance Evaluation Program (IMPEP) Reviews of the Colorado State Program

IMPEP Reviews of the Colorado State Program

Year

Activity

Other Correspondence

2022

05/02-06/2022 IMPEP Review
(final report issued 09/09/22)

 

2020

 

Periodic Meeting (04/08/20)

2018

4/9-12/18 IMPEP Review
(final report issued 7/23/18)

MRB Minutes (06/26/18)

2016

 

Periodic Meeting (06/09/16)
Periodic MRB Minutes (08/30/16)

2014

4/7-11/14 IMPEP Review
(final report issued 7/28/15)

 

2012

 

Periodic Meeting (4/17/12)

2010

4/12-16/10 IMPEP Review
(final report issued 7/26/10)

 

2008

 

Periodic Meeting (3/4/08)

2006

3/13-17/06 IMPEP Review
(final report issued 6/23/06)

 

2003

 

Periodic Meeting (12/9/03)

2002

 

Periodic Meeting (8/7/02)

2001

2/5-9/01 IMPEP Review
(final report issued 5/8/01)

 

1997

3/10-14/97 IMPEP Review
(final report issued 6/16/97)

 

1993

3/22-26 & 4/5-9/93 Review
(final report issued 5/12/93)

 

Page Last Reviewed/Updated Monday, September 15, 2025

Related Information

Page Last Reviewed/Updated Monday, September 15, 2025