Radiation Incidents Flashcards
What regulations define the need for contingency plans?
IRR17: for reasonably foreseeable incidents
EPR2016 (RSA93/HASS): security/environmental contamination
REPPIR2001: operator & LA off-site emergency plans
CDG2009: consignor contingency plans for transport incidents
NHS requirement under:
National arrangements for health Emergency Preparedness, Resilience and Response (EPRR)
What are the effects of an emplaced radiation device?
Deaths: Few
Short term: Acute rad syndrome
Long term: inc risk of developing cancer
What are the effects of a Radioactive dispersal *device?
Deaths: Few/moderate
Short term: Blast injury
Long term: inc cancer risk
What are the effects of a Low yield nuclear *device?
Deaths: Many
Short term: Blast injury, thermal burns, acute rad syndrome
Long term: inc risk cancer
What is external exposure?
whole or partial-body exposure
What are the two main types of exposure?
External: on the skin
Internal: Swallowed, abs through wounds
How can you limit contamination ?
Prevent intakes of material: inhaltion/ingestion/skin absorption/wounds
Limit spread:
Protect wounds
Do not disrobe
Protect cuts and abrasions
What was the goiana incident?
Theft and dispersal of a teletherapy source.
What is RADSAFE?
A private company limited by gurantee that offers mutual assistance in the events of a transport accident involving RAM belonging to a radsafe member.
What are the principles of radsafe ?
- To provide a prompt response to an incident
- The provision of Suitably Qualified and Experienced Persons
- To provide appropriate training (to all Responders)
All vehicles or containers used for transporting radioactive material under this scheme must have a RADSAFE placard
3 Main methods of reducing a radiation risks
TIME (minimum)
DISTANCE (maximum)
SHIELDING (maximum)
How to respond to an incident?
If there are life threatening injuries send casualties to hospital without delay
If source damage suspected - Keep appliances and crews upwind
Cordon off area (45m in first instance recommended by RADSAFE)
Consider doserate
Extinguish fires
Refer to vehicle placard/ documentation for advice number
No eating, drinking, smoking if radiation release has or is suspected to have occurred