Tcfp HazMat Operations Possible 2025 Questions and Answers

Tcfp HazMat Operations Possible 2025 Questions and Answers Analyzing a hazardous material incident to determine the scope of the problem involves... - ANSWER-1. Surveying the incident to identify containers and materials involved, determine if wether hazardous material has been released and evaluate the surrounding conditions 2. Collect hazard and response information from SDS, CHEMTREC and shipping/manufacturer contracts 3.Predict the behavior of Hazardous materials and its container 4.Estimate the potential harm through TRACE-MP .Boiling Point.. - ANSWER-Boiling point is the temperature at which vapor pressure is equal or greater than atmospheric pressure. When a liquid inside a container begins to boil, the increase in vapor pressure may exceed the vessel's ability to relieve excess pressure. Causing a catastrophic failure and BLEVE .Chemical Reactivity is.. - ANSWER-The tendency of a substance to undergo chemical changes in a system .CHEMTREC - ANSWER-CHEMTREC is the acronym for the Chemical Transportation Emergency Center. It is a 24-hour emergency response service that provides assistance in the handling of incidents involving hazardous materials .Cone Roof tank - ANSWER-Cone-shaped or pointed roofs with weak roof-to-shell seams that will break if the container becomes overpressured -when partially full the empty space in the container contains dangers vapors Contents:flammable, combustible or corrosive liquids (Non pressured) .Corrosivity is.. - ANSWER-Having the quality of corroding or eating away .Covered Floating Roof tank - ANSWER-Has a fixed cone roof with vents along the top edge, and a floating deck inside that stays on the surface of the liquids to minimize vapors -above ground -non-pressure Contents: flammable/combustible liquids .Describe the response options available for Crime Scene management and evidence preservation - ANSWER-1. Maintain scene control 2. Limit access 3. Maintain chain of custody 4. Coordinate with AHJ .Describe the response options available for Defensive Control Techniques - ANSWER-1. Damming (Overflow or Underflow) 2. Diking 3. Retention 4. Dispersion 5. Absorption 6. Adsorption 7. Dilution 8. Dissolution 9. Diversion 10. Vapor dispersion 11. Vapor suppression 12. Ventilation 13. Remote valve shutoff .Describe the response options available for Evacuation - ANSWER-1. Full scale evacuation 2. Shelter-in-place 3. Combination .Describe the response options available for Exposure protection/Isolating the Area - ANSWER-1.Establish initial isolation zone 2.Establish protective action distance 3. Establish control zones .Describe the response options available for Recovery and Termination - ANSWER-1. Short-term recovery 2. Long-term recovery 3. Termination activities a)Debriefing b) Critique c) Post incident analysis 4. Demobilization .Describe the response options available for Search and Rescue - ANSWER-1. Based on training and equipment 2. Risk-benefit analysis (risk a lot to save a lot, risk a little to save a little) .Describe: Compressed gas tube trailers - ANSWER-Pressure at 3000 to 5000 psi Individual steel cylinders stacked and banded together Usually has overpressure device for each cylinder Valves are protected in the rear Contents: Helium, hydrogen, methane and other gases .Describe: Corrosive liquid tanks - ANSWER-MC 312, DOT 412, Pressure less thean 75 psi Typical capacity 7000 gallons Rubber lined or steel Small diameter round shape when viewed from the rear Splashguard serving as rollover protection around the valve fittings Contents: Corrosive liquids (usually acids) .Describe: Cryogenic Intermodal tanks IMO Type 7 - ANSWER-Contents: Refrigerated liquid gases, argon, oxygen, helium .Describe: Cryogenic liquid tank - ANSWER-Insulated, vacuum jacketed tanks with safety release valves and rupture disk. Capacities can range from 300 to 400,000 gallons. Refrigerated storage tanks: less than 15psi High pressure cryogenic tanks: greater than 15psi .Describe: Cryogenic liquid tank cars (railroad) - ANSWER-Fittings are in ground level cabinets at diagonal corners of the car or in the center of one end of the car. .Describe: Cryogenic liquid tanks - ANSWER-MC338, Pressure at less than 22 psi Well insulated steel tank Round tank with flat ends Large and bulky double shelling and heavy insulation Loading and Unloading station attached at either the rear or at the front of the rear dual wheels