b.
(2)
Hooding
(3)
Wetting down operations
(4)
Enclosing yellow-cake area
(5)
Dust sampling
Shielding of resin columns
Personnel protective devices
Respirators in dusty areas
Film badges
Very few mills provide protective clothing
Emphasis on personal hygiene
(1)
No eating or smoking in dusty areas
(2)
Wash up before eating
Physical examinations
£.
(1)
Pre-employment including chest X-ray
(2)
Not many mills give followup physicals
Rotation of personnel to keep individual dosages down
Waste disposal
a.
Liquid effluent and spent solvents contain high radium
concentrations
Mills on rivers discharge directly into water
(1)
Volume of water regulates whether there is compliance
with maximum permissible concentrations (dilution
concept)
(2)
Animas River incident
16-5
DOS ARCHIVES