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GLOSSARY

Absorbed Dose:

The absorbed dose of anv ionizing radiation is the energy imparted to matter
by ionizing radiation per unit mass of
irradiated material at the place of
interest.
The unit of absorbed dose is
the rad.
One rad is 100 ergs/gram,.
Atomic Energy Commission.
Abbreviation for curie.

Curie:

The quantity of a radioactive nuclide
disintegrating at the rate ci 3.7x1010
atoms per second.

Abbreviation for Dose Equivalent.
Abbreviation for Dose Distribution Factor.
;
:
facter used in calculating
Gose equivalent whicn accounts

uniform

Dose Equivalent:

for non-

eribution oF radiation.

The product of absorbed Gose D, quality
factor (GF), dose distribution factor (DF),
ané other necessary modifiving factors (The
@ose equivaient is numerically equal to
the absorbed fose in rads multiplied py
the aporooriate modifving factors).
The
unit of Gcse equivalent is the 'rem.'

Federal

Pasiation Council.

The FRC has

been abolisnec, and its functions taken over
bv EPA,

Tir
19
de
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sctive substance to
ivicvy by radioactive
has a unigue half-

Select target paragraph3