Radiation hazards

Radiation hazards

Terms related to radiation and its hazards.

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Radiation hazards

Whole body

Environment; Radiation hazards

Refers to the head, trunk (including gonads), arms above the elbow, and legs above the knee.

The dose received by an individual in a restricted area or in the course of employment in which the individual's assigned duties involve exposure to radiation and to radioactive material. This does ...

Agreement state

Environment; Radiation hazards

Any state with which the U. S. Nuclear Regulatory Commission has entered into an effective agreement under subsection 274b. of the Atomic Energy Act of 1954, as amended. Under the agreement, the ...

Personnel monitoring

Environment; Radiation hazards

The determination of the degree of radioactive contamination on individuals using survey meters, or the determination of radiation dosage received by means of dosimetry devices.

Activity

Environment; Radiation hazards

The rate of disintegration (transformation) or decay of radioactive material. The units of activity are curie (Ci) and the becquerel (Bq).

Half-life

Environment; Radiation hazards

The time in which half the atoms of a particular radioactive substance disintegrate to another nuclear form. Measured half lives vary from millionths of a second to billions of years. Also referred ...

High radiation area

Environment; Radiation hazards

An area, accessible to individuals, in which radiation levels could result in an individual receiving a dose equivalent in excess of 0. 1 mrem in 1 hour at 30 cm from the radiation source or from any ...