HIRARC -Risk Matrix Table
|Severity |Likelihood |
| |Yearly |Monthly |Weekly |Daily |
| |(1) |(2) |(3) |(4) |
|Negligible (1) |1 |2 |3 |4 |
|Minor Injuries (2) |2 |4 |6 |8 |
|Major Injuries (3) |3 |6 |9 |12 |
|Fatality (4) |4 |8 |12 |16 |
|Likelihood: |Severity: |Other Likelihood Factors to Consider: |Category of Hazards: |
|Highly Unlikely |Negligible Injuries |Number of personnel exposed |Mechanical |
|Unlikely |Minor Injuries |Frequency and duration of exposure to the hazard |Electrical |
|Likely |Major Injuries |Quantity or concentration of materials |Biological |
|Very Likely |Fatality |failure of services |Chemical |
| | |Failure of plant and machinery components |Ergonomic |
|...