TEDE
5rem
SDE
50rem
LDE
15rem
DDE
5rem
Fetus
5rem
Members of the public (minors)
1rem
ALARA 1
10% (X0.1)
ALARA 2
30% (X0.3)
Convert to mrem
x1000
Hematopoetic
250-500rad //Death 10-21days
GI Syndrome
500-1000rad //Death 3-10days
Cerebrovascular
5000-10,000 rad //Death 2-3days
White 1
TI 0 // Surface 0.5
Yellow I
TI 1 // Surface 50
Yellow 2
TI 10 // Surface 200
Restricted area
Limited by licensee
Unrestricted
Background >2mrem/hr
Radiation area
5mrem/hr at 30cm
High Radiation Area
100mrem/hr at 30cm
Very High Radiation Area
500mrem/hr at 1 meter
Radioactive Materials Storage
Stored radioactive materials
Caution Airborne Radiation
Airborne radiation
Area Surveys
Daily
Wipe tests
Weekly
Hormesis
Little radiation may be beneficial
Apoptosis
Programmed cell death
Aberration
Broken DNA