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Consequence assessment

Consequence assessment. Consequence Assessment. Definition: The analysis, evaluation, and interpretation of available information associated with an actual or potential release of hazardous materials to the environment for estimating potential exposures or doses to workers and the public

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Consequence assessment

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  1. Consequence assessment

  2. Consequence Assessment • Definition: The analysis, evaluation, and interpretation of available information associated with an actual or potential release of hazardous materials to the environment for estimating potential exposures or doses to workers and the public • Objective: To provide timely and useful information to assist emergency response decision-makers in making informed decisions to protect people (e.g., workers, the public, and responders) from the potential consequences of a release of hazardous materials

  3. Consequence Assessment Phases Consequence assessment can be most effectively performed in three distinct phases to meet the expected changing conditions of an Operational Emergency • Initialevent recognition • Categorization and classification • Protective actions • Timely initial assessment • Continuous ongoing assessment

  4. Consequence Assessment Elements Information that pertains to an incident’s actual or potential impact • Identifying • Monitoring • Analyzing • Evaluating

  5. Our Site Map

  6. Factors That Influence Consequence Assessment Include • Source term • Meteorological conditions • Topography • Population/demographics • Release duration • Rate of release • Location of release • Time of day

  7. In addition to Hazards Assessments, these events have specific resources that provide protective action criteria: Radioactive material release Protective Action Guides (PAGs) Toxic chemical release Acute Exposure Guidelines Limits (AEGLs) Emergency Response Planning Guidelines (ERPGs) Temporary Emergency Exposure Limits (TEELs) Biological safety facilities Protective Action Criteria

  8. Emergency Action Levels Facility-specific, predetermined, observable criteria used to detect, recognize, and determine the emergency class of Operational Emergencies EALs trigger actions!

  9. Involves Emergency management decisions that are consistent with a conservative assessment of the situation Timely event recognition and categorization Given incomplete and/or uncertain event data, conservative decisions are made Decision-Making Process

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