Occupational Health (Division 8): Regulatory Guides 8.21 - 8.40

This page lists the number, title, publication date, and revisions for each regulatory guide in Division 8, "Occupational Health," with references to draft guides and related documents (where applicable).

See NRC Regulatory Guides for more general information.

Regulatory Guides are reviewed about every 10 years, although a guide may be reviewed more frequently if the staff believes an emerging issue affects the guide. The NRC began these reviews in 2010, and began posting the results of its reviews on this site in 2013. The review dates are hyperlinked to the review memorandum, which provide useful information about the status and any known issues with the associated regulatory guide.

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Guide Number	Title	Revision No.	Issue Date	Additional Information
8.21	Health Physics Surveys for Byproduct Material at NRC-Licensed Processing and Manufacturing Plants (Withdrawn -- See 89 FR 5, 01/02/2024)	W	01/2024
		1	10/1979	Periodic Review – July 2023 - Withdraw Periodic Review – March 2023 Revise Periodic Review - October 2012 - Considerations
		0	05/1978
8.22	Bioassay at Uranium Mills + HISTORY - HISTORY 03/2012 – DG-8051, Proposed Revision 2 01/1987 – Draft OP 013-4, Proposed Revision 1	2	05/2014	Periodic Review – May 2024 - No Action
		1	08/1988
		0	07/1978
8.23	Radiation Safety Surveys at Medical Institutions (Withdrawn -- See 83 FR 38729, 08/07/2018) + HISTORY - HISTORY 05/2017 – Periodic Review of Revision 1 – Withdraw 03/2011 – Periodic Review of Revision 1 – No issues identified	W	08/2018
		1	01/1981	Reviewed in 2017 – Withdraw
		0	02/1979
8.24	Health Physics Surveys During Enriched Uranium-235 Processing and Fuel Fabrication + HISTORY - HISTORY 03/2010 – DG-8040, Proposed Revision 2	2	06/2012	Periodic Review 2022 – No Action
		1	10/1979
		0	11/1978
8.25	Air Sampling in the Workplace + HISTORY - HISTORY 05/2017 – Periodic Review of Revision 1 – No Issues identified 10/2011 – Periodic Review of Revision 1 – No issues identified 09/1991 – DG-8003, Proposed Revision 1 10/1979 – Draft OH 905-4, Proposed Revision 0	1	06/1992	Reviewed in 2017 – No issues identified
8.25		0	08/1980
8.26	Applications of Bioassay for Fission and Activation Products + HISTORY - HISTORY 01/2018 – Periodic Review of Revision 0 – Issues identified for future consideration 12/2011 – Periodic Review of Revision 0 – No issues identified 08/1979 – Draft OH 714-4, Proposed Revision 0	0	09/1980	Reviewed in 2018 – Issues identified for future consideration
8.27	Radiation Protection Training for Personnel at Light-Water-Cooled Nuclear Power Plants + HISTORY - HISTORY 05/2017 – Periodic Review of Revision 0 – Issues identified for future consideration 10/2011 – Periodic Review of Revision 0 – No issues identified 08/1979 – Draft OH 717-4, Proposed Revision 0	0	03/1981	Reviewed in 2017 – Issues identified for future consideration
8.28	Audible-Alarm Dosimeters + HISTORY - HISTORY 06/2018 – Periodic Review of Revision 0 – Revise 10/2014 – Periodic Review of Revision 0 – Revise 08/1979 – Draft OH 804-4, Proposed Revision 0	0	08/1981	Reviewed in 2018 – Revise
8.29	Instruction Concerning Risks from Occupational Radiation Exposure + HISTORY - HISTORY 05/2017 – Periodic Review of Revision 1 – Revise 12/2011 – Periodic Review of Revision 1 – No issues identified 12/1994 – DG-8012, Proposed Revision 1 05/1980 – Draft OH 902-1, Proposed Revision 0	1	02/1996	Reviewed in 2017 – Revise
8.29		0	07/1981
8.30	Health Physics Surveys in Uranium Recovery Facilities + HISTORY - HISTORY 09/2000 – DG-8026, Proposed Revision 1 08/1980 – Draft OH 710-4, Proposed Revision 0	1	05/2002	Periodic Review July 2019 – Considerations Periodic Review April 2014 – Considerations Periodic Review September 2011 – No Action
8.30		0	06/1983
8.31	Information Relevant to Ensuring that Occupational Radiation Exposures at Uranium Recovery Facilities Will Be as Low as Is Reasonably Achievable + HISTORY - HISTORY 09/2000 – DG-8027, Proposed Revision 1 08/1980 – Draft OH 941-4, Proposed Revision 0	1	05/2002	Periodic Review October 2022 Consideratons Periodic Review October 2012 – No Action
8.31		0	05/1983
8.32	Criteria for Establishing a Tritium Bioassay Program + HISTORY - HISTORY 11/2017 – Periodic Review of Revision 0 – Issues identified for future consideration 10/2011 – Periodic Review of Revision 0 – No Issues identified 06/1983 – Draft OP 713-4, Proposed Revision 0	0	07/1988	Reviewed in 2017 – Issues identified for future consideration
8.33	Quality Management Program (Withdrawn -- See 77 FR 33253, 06/05/2012) + HISTORY - HISTORY 01/1990 – DG-8001, Proposed Revision 0	W	06/2012
8.33		0	10/1991
8.34	Monitoring Criteria and Methods To Calculate Occupational Radiation Doses + HISTORY - HISTORY 12/2021 – DG-8060, Proposed Revision 1 11/2017 – Periodic Review of Revision 0 – Revise 10/2013 – DG-8031, Proposed Revision 1 02/1992 – DG-8010, Proposed Revision 0	1	08/2022
8.34		0	07/1992	Reviewed in 2017 – Revise
8.35	Planned Special Exposures + HISTORY - HISTORY 09/2015 &ndash Periodic Review of Revision 1 – No issues identified 12/1991 – DG-8008, Proposed Revision 0	1	08/2010	Reviewed in 2015 – No issues identified
8.35		0	06/1992
8.36	Radiation Dose to the Embryo/Fetus + HISTORY - HISTORY 05/2017 – Periodic Review of Revision 0 – Revise 10/2011 – Periodic Review of Revision 0 – No issues identified 02/1992 – DG-8011, Proposed Revision 0	0	07/1992	Reviewed in 2017 – Revise
8.37	ALARA Levels for Effluents from Materials Facilities + HISTORY - HISTORY 01/2018 – Periodic Review of Revision 0 – Reviewed with issues identified for future consideration 02/2012 – Periodic Review of Revision 0 – No issues identified 12/1995 – DG-8016, Proposed Revision 1 10/1992 – DG-8013, Proposed Revision 0	0	07/1993	Reviewed in 2018 – No issues identified
8.38	Control of Access to High and Very High Radiation Areas of Nuclear Plants + HISTORY - HISTORY 07/2016 – Periodic Review of Revision 1No issues identified 05/2011 – Periodic Review of Revision 1 – No issues identified 09/2005 – DG-8028, Proposed Revision 1 10/1991 – DG-8006, Proposed Revision 0	1	05/2006	Reviewed in 2016 – No issues identified
8.38		0	06/1993
8.39	Release of Patients Administered Radioactive Materials + HISTORY - HISTORY 07/2019 – DG-8057 – Proposed Revision 1 05/1997 – Errata to Revision 0 06/1994 – DG-8015, Proposed Revision 0	DG	04/2023	DG-8061 - Proposed Revision 2
		1	04/2020
		0	04/1997	Periodic Review May 2017 – Revise Periodic Review November 2011 – No Action
8.40	Methods for Measuring Effective Dose Equivalent from External Exposure + HISTORY - HISTORY 09/2025 - Periodic Review of Revision 0 - Reviewed with no issues identified 06/2015 – Periodic Review of Revision 0 – Issues identified for future consideration	0	07/2010	Periodic Review in 2025 – Reviewed with no issues identified Periodic Review in 2015 – Reviewed with issues identified for future consideration

Page Last Reviewed/Updated Wednesday, February 18, 2026

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Occupational Health (Division 8): Regulatory Guides 8.21 - 8.40