Descending a rope.
Brand of diffuser branch.
Resulting from short exposure to a high concentration of a poison.
Siebe Gorman two hour, liquid oxygen, closed circuit SCBA.
Aqueous Film Forming Foam.
Name given to the gases present after an explosion underground. Mainly Nitrogen, Carbon Dioxide, Carbon Monoxide and water vapour, with little oxygen.
Irritating organic compounds usually produced in mines by diesel engines. TLV 5 ppm.
Controlled rate descender.
Folding flat stretcher with full harness.
Knot used to create a loop for attachment in a rope allowing tension in three directions.
Small 6:1 pulley system.
Device for measuring air velocity.
Ansull Twin Agent System
Fire fighting unit comprising twinned hoses leading from two large containers (DCP and AFFF) pressurised by nitrogen cylinders.
Blood vessel that carries blood away from the heart.
Lack of oxygen in the blood.
Temperature at which a substance will ignite without an ignition source.
Personnel on standby in case a team or party gets into difficulty.
Measure of pressure approximately equal to normal atmospheric pressure.
1 atmosphere = 1.013 Bar
= 14.7 psi
= 101.3 kPa
Bromochlorodifluoromethane, halon-type vaporising liquid fire extinguishing agent.
To secure something. In abseiling, a man on belay holds the rope to act as an emergency brake.
Dräger brand, four hour, compressed oxygen, negative pressure, closed circuit SCBA.
Replacement for the BG174. Is slightly positive pressure, has cooling ability and electronic pressure gauge.
British Instant Coupling. Usual coupling system for fire hoses.
US company that produces various Biopack SCBA.
A two hour, compressed oxygen, positive pressure, closed circuit SCBA.
Two legged frame.
Nitrogen plus up to 20% Carbon Dioxide.
Boiling Liquid Expanding Vapour Explosion.
Pulse felt above the elbow.
Device used on the end of a line of fire hose to control the water flow.
Air tight wall comprising a frame covered in an impervious material.
Explanation of the situation plus the response plan.
Small blood vessel that takes blood to the individual cells.
Leader of a team with ultimate control of the team's actions.
Relating to the heart.
Pulse felt in the neck.
Injured or ill person.
A chemical which affects the way that other chemicals behave without being consumed.
Relating to the head.
Relating to the brain.
Major part of the brain.
Relating to the neck.
Nitrogen plus over 20% Carbon Dioxide.
Resulting from long or repeated exposure to low concentrations of poisons.
An inductor type foam branch with controls for foam/water and water on/off.
Diamond shaped symbol warning of the hazard presented by a chemical.
Closed Circuit SCBA
SCBA that re-use the exhaled oxygen.
A device used for bringing two lines of fire hose into one.
A branch with two outlets, one for either a jet or spray and the other for a protective curtain.
The amount of a chemical relative to its atmosphere.
The transmission of a form of energy through a substance.
Relating to the movement of air.
Able to eat into certain materials.
Cardio Pulmonary Resuscitation (EAR + ECC).
Relating to the skull.
Grinding of broken bones.
Crush Injury Syndrome
The life threatening condition caused by prolonged restriction of blood circulation in some part of the body.
Five legged rescue device especially suited to use over edges.
Pair of jumars each with a pulley built in. Creates 3:1 mechanical advantage for hauling in a rope.
Dry Chemical Powder.
Discussion of the events of an emergency after the event.
Mass relative to volume.
A type of branch that allows the water flow to be controlled between a jet and a spray.
Overall controller of an emergency response.
Dividing Breech Piece
Device used to split one line of fire hose into two.
Putting on SCBA.
Amount of a chemical that has entered the body.
Double Fisherman's Friend
Knot used to join two lengths of rope.
Pelletised soda lime. Used to absorb Carbon Dioxide.
Dynamic Kernmantle Rope
Highly elastic rope used in rock climbing.
Expired Air Resuscitation (mouth to mouth).
External Cardiac Compression (heart massage).
Entry Control Officer.
Emergency Information Panel.
Electric shock - usually fatal between 100mA and 200mA.
Emergency Information Panel
Signs showing class label, hazchem code, etc that must be visible from areas and vehicles containing bulk quantities of a hazardous chemical.
50% Nitrous Oxide + 50% Oxygen. Gas given for therapy and pain relief.
Procedure for greatly extending the duration of SCBA.
Point where SCBA are donned in surface rescues.
Entry Control Officer
Team member, usually captain, who keeps track of team members using open circuit SCBA.
Predetermined alternative route to be used if entry route becomes blocked.
Concentrations of a gas in air containing a normal oxygen level that would explode if ignited.
Exposure to Chemicals
Having chemicals enter the body.
Flammable substances near a fire.
Fresh Air Base.
Length of possible fall divided by length of rope (max = 2).
Pulse felt inside the leg near the crutch.
The thinner of the two bones of the lower leg.
Figure of 8 Bandage
Used to hold the feet together with the toes held back.
Figure of 8 Descender
Simple abseiling device.
Figure of 8 Knot
Knot used for most purposes with nylon ropes because it causes the least amount of weakness to the rope.
Chemical reaction between fuel and oxygen involving heat. Rapid oxidation.
Temperature at which a substance will continue to burn.
First Breath SCBA
SCBA that can be set to negative pressure for startup and automatically switch to positive pressure when the first breath is taken.
Ease with which a substance will burn.
Temperature at which a substance will give off sufficient flammable vapours to be ignited.
Fresh Air Base
Headquarters for underground rescue involving irrespirable atmosphere. Point at which SCBA are donned.
Theoretical time for which SCBA will provide air or oxygen.
Gas Detection Tube
Tube containing a chemical that will react and change colour when contacted by a certain gas. The amount of the chemical that changes colour when a measured amount of air is drawn through indicates the concentration of the chemical present in the air.
Device used for collecting gas samples.
Device used for maintaining an open airway in a casualty.
Relating to the blood.
Leakage from a blood vessel.
Blood in the cavity between the lung and the rib-cage - slowly leads to a collapsed lung.
Hare Traction Splint
Device used for placing tension on a leg with a mid-shaft fracture of either the femur or tibia and fibula.
Any substance in such a form or quantity which if released from its container would pose an unreasonable risk to health, safety or the environment.
Hazardous Chemical Incident
The release or potential release of a hazardous chemical.
Hazchem Code (Scale)
Code displayed on EIP to show initial response considerations for a HCI involving that chemical.
Hazardous Chemical Incident.
Control centre for emergency response.
Condition of heat gain in the body exceeding heat loss.
Shut down of the body's heat regulation system.
High Pressure Leak Test
Performed on SCBA to examine for leaks in high pressure components.
The events leading up to the present situation.
Catalyst that causes Carbon Monoxide to bond with Oxygen to form Carbon Dioxide. Used in filter type self rescuers.
Bone of the upper arm.
Water supply point for fire fighting.
Overbreathing. Causes Carbon Dioxide to be eliminated from the bloodstream which affects the brains ability to control breathing.
Flame or spark.
Will not allow a substance to pass or soak through.
Coal mining term for on the intake side of, ie upwind.
Burning with a shortage of oxygen.
Device used to add low expansion foam concentrate to water flow.
Inert gas extinguishing agent for fixed fire fighting systems.
Entering the bloodstream through a break in the skin.
Will not spark if damaged.
Air that if breathed could be harmful to the health.
Jordan Lifting Frame
Stretcher that can be assembled around a casualty without the casualty being moved. Designed for use with spinal injuries.
Device used for climbing a rope.
Hose coupling with two levers forming the locking mechanism.
Spinal immobiliser suited to use in vehicle rescue.
Rope constructed of a separate core and outer sheath.
Tiltable alloy frame that can be easily assembled and gives height at an edge.
Solid flat stretcher with full harness.
Lethal Concentration, 50% Kill. Measure of toxicity.
Lethal Dose, 50% Kill. Measure of toxicity.
Bag for holding abseiling rope that can be secured to the leg.
Length of Hose
One 30m fire hose.
Line of Hose
More than one length of hose joined together.
Reaction to a chemical at the point of contact.
Low Pressure Leak Test
Test performed during start-up with open circuit SCBA, mainly to check the facemask seal.
Dräger liquid oxygen closed circuit SCBA.
Relating to the lower back.
Milliamp. Measure of electric current.
Knot that grips a rope and allows controlled slippage.
Medical Anti Shock Trousers. Inflatable suit that pushes blood out of the legs to minimise shock.
One thousandth of a Bar.
Millimetres Water Scale. 10mm Ws = 1 mBar.
Powder used in dry chemical fire extinguishers.
Free standing branch.
Large knot tied in the inactive end of a rope to prevent a descender passing.
Electronic cyanide monitor.
Material Safety Data Sheet.
Non-halon type vaporising liquid extinguishing agent.
Neil Robinson Stretcher
Slatted roll up stretcher designed for vertical lifting.
Negative Pressure SCBA
Demand valve operates at below atmospheric pressure.
Open Circuit SCBA
Exhaled breath is vented to the atmosphere.
Coal mining term for on the exhaust side of, ie downwind.
Chemical reaction where a substance combines with oxygen.
Giving a casualty pure oxygen to breathe to promote recovery.
Dräger two stage open circuit SCBA.
Part of a team.
Permissible Exposure Limit. Measure of toxicity.
Pulse felt on the foot.
Methoxyflurane. An inhaled analgesic.
Will allow a substance to pass through.
Air in the cavity between the lung and the rib-cage. Rapidly leads to a collapsed lung.
Positive Pressure SCBA
Demand valve operates at above atmospheric pressure.
Parts Per Million. Measure of concentration. 1000 ppm = 0.1%.
Device that purges closed circuit SCBA during start-up.
Dräger single stage open circuit SCBA.
Place where pressure can be applied to an artery to restrict blood flow.
Wide spray produced by diffuser branches. Holds back flames.
First ever closed circuit SCBA. Patented by Siebe Gorman of England 1879.
Knot used with a thin cord to climb a rope.
Relating to the lungs.
Beating of the heart felt by applying pressure to an artery.
Remove normal air.
PVC Evac Body Splint
Roll up stretcher suitable for vertical & horizontal lifting and spinal injuries.
Pulse felt in the wrist.
Diffusion of a form of energy.
Thumb side bone of the forearm.
Reaction to a chemical at a point other than the point of contact.
Ratchet pulley system giving 3:1 mechanical advantage if the top is anchored or 4:1 if the bottom is anchored.
Quick fitting, full body rescue harness.
Dräger BA testing unit.
Allows for a difference between theoretical and actual air consumption in open circuit SCBA.
Portable brattice used for pushing back smoke.
Self Contained Breathing Apparatus.
Top to toe examination.
Sabre brand compressed oxygen, positive pressure, closed circuit SCBA.
Sodium Ethyl Xanthate. Flotation agent used in mineral processing.
Mines Rescuers' second favourite pastime.
Visible clues to a casualty's condition.
Single Stage SCBA
Has no pressure reducer before the demand valve.
Solid and liquid particles suspended in the air.
Blood pressure cuff.
Bones (vertebrae) of the spine.
The cord of nerves protected by the spinal column.
Fail safe, lever action, abseiling device.
Procedure for ensuring that all aspects of a SCBA are functioning properly.
Static Kernmantle Rope
Abseiling rope with minimal elasticity.
Short Term Exposure Limit (15 mins). Measure of toxicity.
Simple descending device.
Neck brace that comes in a kit of different sizes. Very effective and allows access to the carotid pulse.
St John Action Plan
Basket type stretcher.
Air tight wall.
Tube used for sucking foreign material.
Non visible clues to a casualty's condition as told to you by the casualty.
Tag used for keeping track of rescuers wearing open circuit SCBA.
Tetrahedron of Fire
Pictorial representation of the four elements of fire.
Collective name given to gases that can contaminate mine air.
Relating to the chest.
Threshold Limit Value/ Ceiling. Measure of toxicity.
Time Weighted Average (5 x 8hr days). Measure of toxicity.
Two way radio.
Two Stage SCBA
Has a pressure reducer before the demand valve.
Outer bone of the forearm.
Universal Gas Detector
Pump used to draw a measured amount of air through gas detection tubes.
United Nations Number. Used to identify a chemical.
Blood vessel that carries blood to the heart.
Speed in a given direction.
Ineffective twitching of the part of the heart muscle that pumps blood to the body.
Low pressure, inflatable lifting device.
Volume of water that a cylinder would hold, ie volume at atmospheric pressure.
Device used for measuring temperature and relative humidity.
Theoretical time that the low pressure warning whistle would activate in an open circuit SCBA with a ten minute safety margin.
Full duration minus any safety margin.
Return to the 'Total Rescue' Home Page