08-09-2023 Council Packet - Laserfiche WebLink

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Ramsey County │ Annex G: Hazardous Materials 14 The following generalized incident complexity indicators are intended to be used as broad guidelines. The ultimate responsibility for determining the size, extent, complexity, and response level of any hazardous materials incident rests with the event’s IC. 3.6.1.1 Type 5 •Incident shows no resistance to stabilization or mitigation •Resources typically meet incident objectives within one or two hours of arriving on scene •Minimal effects to population immediately surrounding the incident •Few or no evacuations necessary during mitigation •No adverse impact on critical infrastructure and key resources (CIKR) •Elected/appointed governing officials and stakeholder groups require minimal or no coordination, and may not need notification •Conditions or actions that caused the incident do not persist; as a result, there is no probability of a cascading event or exacerbation of the current incident 3.6.1.2 Type 4 •Incident shows low resistance to stabilization or mitigation •Resources typically meet incident objectives within several hours of arriving on scene •Incident may extend from several hours to 24 hours •Limited effects on to population surrounding incident •Few or no evacuations necessary during mitigation •Incident threatens, damages or destroys a minimal number of residential, commercial or cultural properties •CIKR may suffer adverse impacts •CIKR mitigation measures are uncomplicated and can be implemented within one operational period •Elected/appointed governing officials and stakeholder groups require minimal or no coordination, but they may need to be notified •Conditions or actions that caused the original incident do not persist; as a result, there is low to no probability of a cascading event or exacerbation of the current incident 3.6.1.3 Type 3 •Incident shows moderate resistance to stabilization or mitigation •Resources typically do not meet incident objectives within the first 24 hours of resources arriving on scene •Incident may extend from several days to over one week