Awareness
What are the nine hazard classes
Explosives, Gases, Flammable liquids, Flammible solids, Oxidizing substances, Toxic, Radioactive, Miscellaneous.
What is the temperature at which a liquid change to a gas at a given temperature
Boiling point
Confine a HazMat after a release
APR's use a sorbent material to
Remove the targeted vapor or gas from the air
What's the difference between Simple and Chemical asphyxiant?
Simple Displaces, Chemical Prevents the proper use of oxygen
An assumption of the GEMBO about containers is
All containers have failed or have the potential to fail
A spill of this type of HazMat may require the use of dispersion methods
Hydrocarbons
What should be considered when selecting PPE?
Hazards, Detection readings, Environment, Exposure duration, Clothing equipment, ease of deacon.
What class 5 hazmat is both a fuel and an oxidizer and may violently react if it reaches its SADT
Organic Peroxide
What is the dispersion or engulfment pattern of a BLEVE
Cone
How do adsorption and absorption differ?
Adsorbents physically adhere to the materials, while absorbents are absorbed into the material's inner spaces
Repeat exposures to sounds greater than __ decibels can cause damage to the inner ear
85
The petroleum sour crude oil marking denotes crude oil that may present an inhalation hazard because it contains ___
Hydrogen Sulfide
Materials with a lower boiling point have higher ___
Vapor pressure
AFFF foam should not be used on these types of materials
Water miscible materials (alcohols)
What information does a safety briefing cover
Incident status, identified hazards, task and assignments, expected duration to the task, escape route, PPE, hand signals
What did the SARA act create?
The Right to Know
Inhibitors control or prevent undesired chemical reactions by increasing the need for ___ necessary to start the reaction
Activation energy
How is foam quality measured
It is measured in in terms of its 25% drainage time and its expansion ratio
A class 4 CBRN ensemble provides the wearer respiratory and skin protection from __
Biological and radiological particulates below IDLH values