Typical Likelihood Levels and Descriptions

1 o Minor onsite injuries (First aid and non-disabling, reportable injuries). Property damage less than base level amount. Minor environmental impact (No remediation). Loss of production less than base level amount. No offsite impact or damage. 

2 Serious onsite injuries (Temporary disabling worker injuries), n Property damage 1 to 20 times base level. Moderate environmental impact (Cleanup or remediation in less than one week and no lasting impact on food chain, terrestrial life or aquatic life). Loss of production from 1 to 20 times base level. Minor offsite impact (Public nuisance - noise, smoke, odor, traffic). Potential adverse public reaction. 

4 Onsite fatality or less than 4 permanent disabling worker injuries. Property damage 50 to 200 times base level. Serious environmental impact (Cleanup or remediation requires three to six months and moderate impact on food chain, terrestrial life and/or aquatic life). Loss of production up from 50 to 200 times base level. Significant offsite impact property damage, short term health effects to the public or temporary disabling injuries. Significant public concern or reaction. 

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