An existing process, policy, device, practice or other action that acts to minimise adverse risk when correctly implemented and maintained (AS/NZS 4360).
Source: NOPSEMA Guidance Note: Noise Management—Principles of Assessment and Control, N-09000-GN0401, Australia, Revision 3, December 2011. Regulatory Guidance
<of hazards> limiting the extent or duration of a hazardous event.
Note 1 to entry: The definition of control is specific in this International Standard and other definitions are used in other standards.
Source: ISO 13702:2015, Petroleum and natural gas industries — Control and mitigation of fires and explosions on offshore production installations — Requirements and guidelines, Second Edition, August 2015. Global Standards
Control (of hazards)
Limiting the extent and/or duration of a hazardous event to prevent escalation.
Source: ISO 15544:2000, Petroleum and natural gas industries – Offshore production installations – Requirements and guidelines for emergency. Global Standards
Source: ISO 17776:2000, Petroleum and natural gas industries – Offshore production installations – Guidelines on tools and techniques for hazard identification and risk assessment. Global Standards
Measure that is modifying risk.
[SOURCE: ISO Guide 73:2009]
- Note 1 to entry: Controls include any process, policy, device, practice, or other actions which modify risk.
- Note 2 to entry: Controls may not always exert the intended or assumed modifying effect.
Source: ISO/IEC 27000:2014, Information technology — Security techniques — Information security management systems — Overview and vocabulary, Third Edition, January 2014. Global Standards
Means of managing risk, including policies, procedures, guidelines, practices or organizational structures, which can be administrative, technical, management, or legal in nature.
- NOTE ISO Guide 73:2009 defines control as simply a measure that is modifying risk.
Source: ISO/IEC 27032:2015, Information technology — Security techniques — Guidelines for cybersecurity, First Edition, July 2012. Global Standards
Imposition of operational limits to the separation system.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards
See also Barrier. Barrier which reduces the probability of releasing the hazard’s potential for harm. (Preventing the Top Event.)
Source: International Association of Drilling Contractors, Appendix 2 to Health, Safety and Environment Case Guidelines for Offshore Drilling Contractors, Issue 3.3.2, February 2010. IADC Guidelines
Measure that is modifying risk (1.1). NOTE 1 Controls include any process, policy, device, practice, or other actions which modify risk. NOTE 2 Controls may not always exert the intended or assumed modifying effect.
Source: ISO Guide 73:2009(E/F), Risk Management – Vocabulary, First Edition, 2009. Global Standards
See also Barrier. Used specifically for a barrier which mitigates the consequences of an initial event.
Source: OGP Report No. 415, Asset integrity – the key to managing major incident risks, International Association of Oil & Gas Producers, December 2008. Global Standards