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Tolerability Matrix

 

Tolerability Matrix:

Catastrophic

Review

Unacceptable

Unacceptable

Unacceptable

Unacceptable

Hazardous

Review

Review

Unacceptable

Unacceptable

Unacceptable

Major

Acceptable

Review

Review

Review

Review

Minor

Acceptable

Acceptable

Acceptable

Acceptable

Review

Extremely

improbable

Extremely

remote

Remote

Reasonably

probable

Frequent

 

The words acceptable and unacceptable are self-explanatory. The term “review” means that if a scenario falls into a review category, an exercise should be carried out to see if it is possible to put in place mitigating measures to either reduce the probability or the consequences (or both) of the scenario in order to reclassify it as acceptable.

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