BSS, Glossary, p.295, 1996]:
“Any unintended event including operating errors, equipment failures or other mishaps, the consequences or potential consequences of which are not negligible from the point of view of protection and safety.”
Where can radiation accidents occur?
During operations at facilities where these radioactive sources are used, examined or stored;
Unauthorized access due to inadequate or absence of security;
Transportation
Consequences of Radiological accidents
Health consequences e.g Death, loss of limbs, burns,
increased risk of stochastic effects (cancers)
Environmental contamination
Social & Economic consequences
Factors Contributing to Accidents
(a) Failure to follow radiation Protection Procedure
(b) Inadequate Radiation Protection Program
(c) Equipment failure
(d) Equipment failure
(e) Failure to use a survey meter or failure to use it
properly
Examples of potential accidents
melting of the gauge and source
accidental loss of source during well logging
lost or stolen source
physical damage to the gauge
jammed shutter
transport accident
suspected exposure of persons
leaking source
Source Jam |