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Risk Analyses
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Kinney Methodology
Probability (P)
Likelihood of hazardous event occurring
- 0.1 - Almost impossible
- 0.5 - Practically impossible
- 1 - Possible but unusual
- 3 - Unusual but possible
- 6 - Quite possible
- 10 - Expected
Exposure (E)
Frequency of exposure to hazard
- 0.5 - Very rarely
- 1 - Annually
- 2 - Monthly
- 3 - Weekly
- 6 - Daily
- 10 - Continuously
Consequence (C)
Severity of potential consequences
- 1 - Minor injury
- 3 - Important injury
- 7 - Serious injury
- 15 - Very serious injury
- 40 - Death
- 100 - Multiple deaths
Risk Score = P × E × C
- >400: Critical - Stop activity immediately
- 200-400: High - Immediate correction required
- 70-200: Medium - Correction needed
- <70: Low - Acceptable with monitoring