Decontamination Flashcards
What is decontamination
The procedure used to remove hazardous materials from people and equipment
What determines the type of decontamination method used
The IC will take a dynamic risk assessment to decide
What crew will take out the decontamination procedure
The FRU (Fire Rescue Unit)
What is an emergency decontamination
The risk is so great that decontamination must take place before it’s relevant code is implemented.
When at a HAZMAT incident, what is the hot zone
The area of greatest risk, where gross contamination may occur
When at a HAZMAT incident, what is the warm zone
The area surrounding the decontamination zone. There is a risk of cross contamination
When at a HAZMAT incident, what is the cold zone
The area outside the warm zone. No risk from contaminants is expected here
What is the decontamination zone
The area where decontamination takes place
Where should decontamination equipment be set up
In the cold zone, in safe air, at lease 25m from the periphery of the hot zone.
What would help to identify a decontamination zone
Warning tape and traffic cones
What will the IC and HMEPO need to consider when establishing decontamination plans
The type and scale of the contamination Weather conditions and wind direction Available drainage Slope of ground Vehicle access
What are the 4 decontamination codes
Emergency decontamination
Code 1 wet decontamination
Code 2 wet decontamination
Code 3 dry decontamination
What type of firefighting decontamination would use the Hughes MD4 shower?
Code 1 wet decontamination.
Code 1 is the default method.
What type of hose is used with the Hughes shower
19mm layflat hose
How many firefighters should enter the Hughes shower at once
- They should remove any contamination from their own and each others Gas Tight Suits using a buddy system
What is SUP
Safe Undressing Procedure
What is the minimum acceptable bar on the wearers gauge before decontamination
180 bar.
If it is lower, supplementing air should be considered. (Airline)
Staff carrying out emergency decontamination should wear…….
Full PPE
When a decontaminated gas tight suit has been derobed, what form must be attached to its containing bag
OPPE/7 must be attached to the bag
Who must carry out the decontamination procedure if the FRU crew is unavailable
Any available crew, without delay, using a salvage sheet and hosereel.
Who must firefighters inform when they suspect they have come into contact with hazardous materials
The IC.
The firefighter will be issued with a plastic wristband with details of the exposure, and medical advice.
When Mass Decontaminating, contaminant levels can be quickly reduced to ….%
80%
What are the groupings for mass decontamination
300 600 900 1200 2400 3600 4800
When mass decontaminating, what ppe will the CRBN RRT members use
Powered Respiratory Protection Suits
