Radiation hazards

Radiation hazards

Terms related to radiation and its hazards.

Industry: Environment

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Radiation hazards

secondary radiation

Environment; Radiation hazards

Radiation originating as the result of absorption of other radiation in matter. It may be either electromagnetic (e.g. Bremstrahlung from 32P betas passing through lead) or particulate in nature.

shallow dose equivalent

Environment; Radiation hazards

Applies to the external exposure of the skin or an extremity. This is the dose equivalent at a tissue depth 0. 007 cm averaged over an area of 1 square centimeter.

shielding

Environment; Radiation hazards

Any material or obstruction that absorbs radiation and thus tends to protect personnel or materials from the effects of ionizing radiation.

survey meter

Environment; Radiation hazards

Any portable radiation detection instrument especially adapted for inspecting an area to establish the existence and amount of radioactive material or contamination present.

thermoluminescent dosimeter (TLD)

Environment; Radiation hazards

A crystalline material which emits light when heated after radiation exposure; used in dosimetry.

whole body

Environment; Radiation hazards

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

wipe sample

Environment; Radiation hazards

Wiping of 100 square centimeters of a surface with a filter paper or a cotton swab for the purpose of determining if removable contamination is present. The wipe is then analyzed with a radiation ...