We are committed to providing up to date, open and transparent content relating to our current internal instructions and guidance used to carry out our core operational work.
The material presented here is essentially the same information provided to ONR staff, but with some additional explanation. All open material is available on this website. Not all of ONR's internal instructions and guidance are open documents.
Any documents that have passed their review date remain subject to our review processes and the review dates and will be updated in due course.
Should you have any feedback on our guidance, please get in touch.
Other guidance
- Safety culture definition and model
- CNSS-SEC-GD-001 - Nuclear Transport Security Guidance for Class B Approved Carriers
- CNSS-SEC-GD-002 - Nuclear Industries Security Regulations 2003 (NISR): Guidance for Inspectors
- TD-HOC-GD-001 - Examining Culture in Organisations: Guidance on Using Qualitative Methods in Organisational Research
- TD-HOC-GD-002 - Methodology for undertaking Leadership and Management for Safety (LMfS) reviews
- Principles for Flood and Coastal Erosion Risk Management
- Licensing Nuclear Installations
- HASS regulations
- Licence condition handbook
- A guide to enabling regulation
- Guidance on the Assignment of Dutyholder Attention Levels (ONR-GEN-GD-013)
- Whistleblowing: How to Make a Disclosure to ONR (External)(ONR-WB-IN-001)
- Whistleblowing: Process for Handling Protected Disclosures (ONR-WB-PROC-001)
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NS-INSP-GD-011 - LC11 - On-site emergency arrangements
Issue 7.2; Review date: April 2026
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ONR-ENF-GD-024 - Investigative interviewing
Issue 1.2; Review date: September 2026
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NS-INSP-GD-075 - Transport Inspection - Type A Packaging - Design Compliance
Issue 2; Review date: July 2030
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NS-TAST-GD-097 - Criticality Safety Assessment of Transport Packages
Issue 2.1; Review date: June 2030
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NS-TAST-GD-117 - Safety culture assessment and improvement
Issue 1; Review date: June 2028