NFPA 1971
PPE instruction
Protective Hood Material
Nomex, BPI, or Carbon Fiber
Open-circuit breathing apparatus
a compressed air cylinder provides air for the user, and exhaled air is released into the
atmosphere
Closed circuit breathing apparatus
Recycled exhaled air, filters through a canister where pollutants are taken out and oxygen is
added.
Supplied Air Respirator(SAR)
Respiratory protection that provides a face mask, air hose, connected to a large air supply and
an escape bottle. Typically used for waste sites or confined spaces.
NFPA 1500
Standard on Fire Department Occupational Safety and Health Program
Oxidation
A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming
rust
Combustion
A rapid reaction between oxygen and fuel that results in fire
Pyrolysis
the decomposition of solid organic matter by heat
Conduction
The direct transfer of heat from one substance to another substance that it is touching.
Convection
The transfer of thermal energy by the circulation or movement of a liquid or gas
, Radiation
Energy that is radiated or transmitted in the form of rays or waves or particles.
Class A fire
ordinary combustibles
Class B Fire
Flammable liquids
Class C Fire
energized electrical equipment
Class D Fire
Combustible metals
Class K Fire
cooking oils
Ignition phase
The phase of fire development in which the fire is limited to the immediate point of origin.
Growth phase
Hot gases rise and flame increases, increasing the temperature
Fully Developed Stage
Occurs when all combustible materials in the compartment are burning
Decay Phase
The phase of fire development in which the fire has consumed either the available fuel or
oxygen and is starting to die down.
Flameover
Situation in which unburned fuel gases having gathered in sufficient quantities at the ceiling
layer suddenly ignite also called rollover
Flashover
Stage of a fire at which all surfaces and objects within a space have been heated to their ignition
temperature, and flame breaks out almost at once over the surface of all objects in the space.