Risk Severity Risk Catastrophic Hazardous Major Minor Negligible Likelihood 5 4 3 2 1 Frequent Unacceptable Unacceptable Unacceptable Review Review 5 Occasional Unacceptable Unacceptable Review Review Review 4 Remote Unacceptable Review Review Review Acceptable 3 Improbable Review Review Review Acceptable Acceptable 2 Extremely Review Acceptable Acceptable Acceptable Acceptable improbable 1
Risk Likelihood Risk Severity Catastrophic 5 Hazardous 4 Major 3 Minor 2 Negligible 1 Frequent 5 Unacceptable Unacceptable Unacceptable Review Review Occasional 4 Unacceptable Unacceptable Review Review Review Remote 3 Unacceptable Review Review Review Acceptable Improbable 2 Review Review Review Acceptable Acceptable Extremely improbable 1 Review Acceptable Acceptable Acceptable Acceptable