Glossary

Name Acronym Description
Efflux

The blast force generated behind a jet engine, which exists whenever a jet engine is running but is increased and extends over a greater area and at greater distance behind the engine, at high engine power settings when taxiing, before and during take-off, and during engine maintenance activity

Emollients

Skin creams that often contain flammable substances such as petroleum jelly, mineral oil, lanolin or liquid paraffin

Emphysema

Emphysema is a type of chronic obstructive pulmonary disease (COPD) that causes damage to the air sacs in the lungs

Enhanced Information Service for Emergency Calls EISEC

Fixed telephone line installation address or approximate mobile phone location.

Envelope

The outer shell of a building, which separates the building’s interior from the outside elements. This will therefore usually comprise the roof, outer walls and floor of the building.

Equine A horse or other member of the horse family, such as donkeys, mules, ponies and zebras 
Explosive canopy

In aircraft fitted with an ejection system, the transparent canopy over the cockpit is jettisoned by an explosive charge prior to the ejection system launching

Explosive ordnance disposal EOD

The police and army have specialist explosive ordnance disposal units responsible for improvised explosive device and conventional munitions disposal

Fall arrest

Stops a user after they have fallen.

Film-forming fluoroprotein FFFP

A firefighting foam that contains the hydrocarbon and fluorinated surfactant combination to create a film over the fuel surface

Fine fuels

Fast-drying dead fuels that are less than 6mm in diameter. Fine fuels ignite readily and are rapidly consumed by fire when dry. Examples of fine fuels include grass, leaves, ferns, mosses, pine needles and small twigs.

Fire load

The fire load, or fuel load is the total amount of heat energy that is available to be released in a fire

Fire point

The lowest temperature at which the rate of supply of fuel gases, by evaporation, can sustain a flame

Fixed electrical ground power

A means of supplying suitable electrical power using a permanent installation at a stand being occupied by stationary aircraft

Flame bending The use of water sprays to bend a flame usually away from a risk or to protect personnel 
Forward command point

A command and control facility near the scene of the incident, used for establishing immediate direction, deployment and security

Fractional horsepower motor

An alternating (AC) or direct (DC) current motor that produces less than one horsepower with an output rating of 746 watts or less. They are used in precision equipment.

Gas-tight suit GTS

Protective clothing worn to protect emergency responders and chemical workers from dangerous and toxic chemicals in liquid or gaseous form

Glasgow Coma Scale GCS

Medical responders can score a person’s level of consciousness using a tool called the Glasgow Coma Scale, which assesses eye opening, verbal response to a command and voluntary movements in response to a command

Glass fibre reinforced plastic

Used as a component in vehicle construction

Globally Harmonised System GHS

The GHS is a single worldwide system for classifying and communicating the hazardous properties of industrial and consumer chemicals. GHS sits alongside the UN ‘Transport of Dangerous Goods’ system.

Government departments responsible for the natural environment

This includes: 

  • Defra “ Department for Environment Food & Rural Affairs 

  • DAERA “ Department of Agriculture, Environment and Rural Affairs 

  • Scottish Government Agriculture and Rural Economy Directorate

Ground fuels

Any fuel below the surface fuel layer, normally within the soil. Examples of ground fuels include organic matter, tree roots, shrub roots, rotting wood and peat.

Ground power unit GPU

A mobile power unit used by stationary aircraft

Groundwater

Water found underground in the cracks and spaces in soil, sand and rock. It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers. Groundwater supplies used for drinking water is legally protected with in identified source protection zones.