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GENERAL HAZMAT RESPONSE

GENERAL HAZMAT RESPONSE. SIZE UP The process of gathering and analyzing information STRATEGY The general plan or course of action for preventing or reducing effects of an incident TACTICS The methods and tasks used to accomplish the selected strategy. GENERAL HM RESPONSE Size Up.

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GENERAL HAZMAT RESPONSE

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  1. GENERAL HAZMAT RESPONSE • SIZE UP • The process of gathering and analyzing information • STRATEGY • The general plan or course of action for preventing or reducing effects of an incident • TACTICS • The methods and tasks used to accomplish the selected strategy

  2. GENERAL HM RESPONSESize Up • Obtain and Evaluate as much information as time permits • the identity of the material • the hazards associated with each material • effects on public, property and environment • air, land, surface water, groundwater • determine options for control or mitigation • determine and initiate safety measures.

  3. GENERAL HM RESPONSESize Up • Brief description of incident • location, date, time, identity, habitation • Terrain and Site Conditions • accessibility, dispersion paths, sensitive areas • Present status and current participation • Status of communications • Current / impending weather conditions

  4. GENERAL HM RESPONSESize Up • Offsite Reconnaissance • general layout of the site • note # of containers, building, impoundment • look for placards, labels, markings • look for vapors, clouds, run-off, dead animals • not an unusual odors • off site samples • interview people in the area

  5. GENERAL HM RESPONSESize Up • On Site Survey • confirm earlier observations • #’s, types, quantities, locations, dispersion paths • labels, markings, tags • determine condition of material and container • assess behavior • foaming, vaporizing, corroding • consider air monitoring • approach from upwind • assume plume dispersion and set boundaries

  6. GENERAL HM RESPONSESize Up • Determine Hazardous Nature of Material • Toxicity, Corrosivity, Radioactivity • Biological Hazards, Asphyxiating Hazards • Flammable Hazards, Explosion hazards • reactive or unstable materials, oxidizers • Type, Condition, Behavior of Containers • under stress from heat or fire • under stress from mechanical damage • under stress from chemical reactions

  7. GENERAL HM RESPONSEStrategy • Based on priorities established by size up • rescue, life saving, responder safety • prevention/mitigation of explosion/fire • protection of property • protection of environment • potential for container failure (additional loss) • availability of resources and time • weather conditions

  8. GENERAL HM RESPONSETactics • Life Savings Operations • Rescue • endangered persons • Evacuation • affected persons • needs to be an early decision, expect delays • Taking Shelter

  9. GENERAL HM RESPONSETactics • Actions/Tasks employed to prevent or reduce the hazards of the chemcials • extinguishing fires, wetting areas • controlled burning/detonation • cooling containers, removing materials • plugging, patching original containers • dikes, berms, dams to confine materials to smallest possible area • chemical/physical methods

  10. GENERAL HM RESPONSETactics • Prevent container Failure • Cool containers • use stress barriers • remove uninvolved materials • Contain Confine the Hazard • stop the leak • construct a barrier • remove ignition sources • controlled burning

  11. GENERAL HM RESPONSETactics • Extinguish Fires • Use Proper Extinguishing Agent • Remove Fuel/Oxygen Supply • Let substance burn • Exposure Protection • PPE, CPC, Heat Stress, Decon • Tactical Withdrawal • Explosion Barriers

  12. GENERAL HM RESPONSESummary • Size up the conditions present • Define the problems • Establish priorities • Evaluate possible courses of action • Determine if SOPs are applicable • Determine the best course of action • Put the strategy in operation • Review results and Revise

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