Important Numbers Flashcards
1
Q
Nuclear Energy Work - 1 year
A
50 mSv / 5 mR
2
Q
Nuclear Energy Work - 5 year
A
100 mSv / 10 mR
3
Q
Pregnant NEW
A
4 mSv / 0.4 mR
4
Q
Non-NEW - 1 year
A
1 mSv / 0.1 mR
5
Q
Lens of Eye - NEW (1yr)
A
150 mSv / 15 mR
6
Q
Lens of Eye - Non-NEW (1yr)
A
15 mSv / 1.5 mR
7
Q
Skin - NEW (1yr)
A
500 mSv / 50 mR
8
Q
Skin - Non-NEW (1yr)
A
50 mSv / 5 mR
9
Q
Hands & Feet - NEW (1yr)
A
500 mSv / 50 mR
10
Q
Hands & Feet - Non-NEW (1yr)
A
50 mSv / 5 mR
11
Q
Radiation Barrier Limit
A
0.1 mSv/hr / 10 mR/hr
12
Q
Storage Area
A
0.025 mSv/hr
13
Q
Surface of Device
A
2 mSv/hr (200 rem)
14
Q
Survey Meter
A
20 micro Sv to 100 mSv/hr
15
Q
Survey Calibration
A
1 per yr
16
Q
Leak Test
A
once/yr or new source
17
Q
Long Handle Tongs
A
Min 1.5 metres (6ft)
18
Q
Collimators
A
Shielding factor of 100
19
Q
Audible Dosimeters
A
Alarms @ 5mSv/hr or total dose 2 mSv
20
Q
Prompt Effects
A
0-250 mSv = no obvious injury 250-500 mSv = possible temporary blood changes 500-1000 mSv = blood & cell changes 1 Sv = some injury, no disability 1-2 Sv = injury, possible disability 2-4 Sv = injury & disability 5 Sv = fatal to 50% w/in 30 days 10 Sv = fatal to all
