observation. The larger distance is preferable for preliminary survey; the smaller distance is
preferable for detailed survey of ma‘étnum contamination areas,
J.2.1
~
~
‘
Personnel and Clothing
§kin: Complete decontamination by bathing is to be attempted. If a reading in excess of
1 mr/hr is obtained after repeated washings, the decontamination supervisor will be consulted
for appropriate advice.
Underclothing and Body-contact Equipment (Interior Linings of Boots and Respirators):
The permissible limit is 2 mr/hr.
Outer Clothing and Body-proximity Equipment (Outer Surface of Boots and Protective
Clothing): The permissible limit is 7 mr/hr.
3.2.2
.
a
Aircraft, Vehicles, and Small Boats
The permissibie limits are as follows. ialerior surfaces, 2 mr/hr; exterior surfaces,
T mr/hr; and distant exterior surfaces, 20 mr/hr.
3.2.3
Air and Water
The following continuous levels of radioisotope content in air and water are generally
considered to be safe:
Air
Water
Alpha emitter
10°? pe/ce
107° pe/ee
5X 10°" ne/ce
107' pe/cc
eh
reyBES fs oe ae aea sheer.
.
Beta or gamma emitter
95
‘a
oe teenie
le FETS
°