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ALARP

A working principle used in UK major-hazard industries meaning that a risk has been reduced to a level that is as low as reasonably practicable. The term is not a statutory phrase.

Also known as

as low as reasonably practicable

By jurisdiction

🇬🇧

UK HSE

ALARPExact equivalent

As Low As Reasonably Practicable. A working description of the point at which a duty holder has done enough to satisfy the reasonably practicable test in HSWA 1974. HSE guidance uses ALARP to describe the residual risk that remains after all reasonably practicable measures have been taken. Widely used in major-hazard sectors regulated under COMAH.

GuidanceHSE risk guidance; COMAH Regulations 2015Source
🇮🇪

Irish HSA

No equivalent

No equivalent in this jurisdiction.

Jurisdiction note: Irish law does not adopt ALARP as a term of art. Do not import the ALARP label into Irish guidance.
GuidanceSource
🇺🇸

US OSHA

No equivalent

No equivalent in this jurisdiction.

Jurisdiction note: OSHA does not use ALARP. The nearest concept is feasible controls under specific standards.
GuidanceSource

Note: ALARP is HSE usage. Do not assume Irish law or OSHA use this acronym with the same meaning.

Practitioner note: ALARP ("As Low As Reasonably Practicable") is the major-hazard and nuclear expression of the broader reasonably practicable standard. Not a statutory term in Ireland or the US.

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