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Radiation hazards
Terms related to radiation and its hazards.
Industry: Environment
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Radiation hazards
cumulative dose
Environment; Radiation hazards
The total dose resulting from repeated exposures of radiation to the same region, or to the whole body, over a period of time.
curie (Ci)
Environment; Radiation hazards
The basic unit used to describe the intensity of radioactivity in a sample of material. The curie is equal to 37 billion disintegrations per second, which is approximately the rate of decay of 1 ...
radioactive decay
Environment; Radiation hazards
The decrease in the amount of any radioactive material with the passage of time, due to the spontaneous emission from the atomic nuclei of either alpha, beta particles, or gamma rays.
declared pregnant worker
Environment; Radiation hazards
A woman who has voluntarily informed her employer, in writing, of her pregnancy and the estimated date of conception.
decontamination
Environment; Radiation hazards
The reduction or removal of contaminating radioactive material from a structure, area, object, or person.
deep dose equivalent
Environment; Radiation hazards
A term that applies to external whole-body exposure, and is the dose equivalent at a tissue depth of 1 cm.
detector
Environment; Radiation hazards
A material or device that is sensitive to radiation and can produce a signal suitable for measurement or analysis. A radiation detection instrument.
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