meee
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ve Unit of dosé equivalent#:When the =: -
appropriate modifying factors are used to
calculate dose equivalent one rem is the
quantity of any type of ionizing radiation
which when absorbed in/man-’produces an*™
effe-t eguivalent to the absorbtion of
one rad of X- or gamma-radiation at the
place of interest.
Roentgen:
The quantity of X- or gamma-radiation such
that the associated corpuscular emission
per 0.001293 grams of air produces, in
air ions carrying one electrostatic unit
of electricity of either sign. For the
purposes here, the roentgen is roughly
equivalent.to the. rad.
Specific activity:
Total radidactivity of a given ‘material
(isotope, element, or compound) per gram
“of the material -- curies/gram.
Abbreviationfor micron,which is onemillionth of a meter.
Abbreviation’ for microcurie,which is
" one-mil LigRthios.a.eurie, » PE
~phbreviettte toemicrogram; which is one-
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mg, gs
millionth of a gram.
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