Interim Staff Guidance Associated with Research and Test Reactors

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ISG Number	Title	Status/Comment
RTR-ISG-2009-001	Interim Staff Guidance on Streamlined Review Process for License Renewal for Research Reactors	OPEN Draft RTR-ISG-2009-001 was published for comment on June 16, 2009 (74 FR 28583). On November 4, 2009 Interim Staff Guidance was issued (74 FR 57206).
Interim Staff Guidance Augmenting NUREG-1537, Part 1	Guidelines for Preparing and Reviewing Applications for the Licensing of Non-Power Reactors: Format and Content, for Licensing Radioisotope Production Facilities and Aqueous Homogeneous Reactors	OPEN On October 30, 2012 Interim Staff Guidance was issued (77 FR 65728).
Interim Staff Guidance Augmenting NUREG-1537, Part 2	Guidelines for Preparing and Reviewing Applications for the Licensing of Non-Power Reactors: Standard Review Plan and Acceptance Criteria, for Licensing Radioisotope Production Facilities and Aqueous Homogeneous Reactors	OPEN On October 30, 2012 Interim Staff Guidance was issued (77 FR 65728).
DANU-ISG-2026-01	Interim Staff Guidance on Security Requirements for Nonpower Production and Utilization Facility Applicants and Licensees – Public Version	OPEN On June 12, 2026, Interim Staff Guidance was issued (91 FR 35711).

Page Last Reviewed/Updated Thursday, June 18, 2026