Regulations Flashcards
What is the Effective Dose for a pregnant energy worker?
4 mSv / 400 mrem
What is the effective dose for a NEW, including a pregnant NEW in a one year dosimetry period?
50 mSv / 5000 mrem
What is the effective dose for a NEW over a 5 year dosiimetry period?
100 mSv / 10000 mrem
What is the maximum dose for non NEW for one calendar year
1 mSv / 100 mrem
Signs saying “RAYONNEMENT-DANGER-RADIATION” should always be posted if:
a) nuclear substance in a quantity greater than 100 times its exemption quantity in the area
b) probability a person will be exposed to an effective dose greater than 25 uSV/hr (2.5 mrem/hr)
The three blades and central disk of the symbol shall be:
a) magenta or black
b) located on a yellow background
No person shall use a radiation license unless:
a) its a certified model
b) on a license that authorizes its use
Licensees shall conduct leak tests to detect a leakage of __________ or less.
200 Bq
How often should a licencee conduct a leak test on a sealed source or shielding to conduct a leakage of 200 Bq or less
a) after being stored for 12 or more consecutive months, immediately before using it
b) if sealed source/shielding is being stored, every 24 months
c) been damaged, immediately after incident
d) if sealed source/shielding is in a device every 12 months
e) sealed source/shielding not located in a radiation device, every 6 months
If you detect a leakage of more than 200 Bq, who should contact the the CNSC?
Licensee
What should the you do if you detect a leak of more than 200 Bq?
a) discontinue use of source
b) discontinue use of device
c) limit spread of contamination
d) notify the commission
How often should a radiation survey meter be calibrated?
12 months
Who can operate a certified exposure device?
Certified Exposure Device Operator and/or a trainee who is under direct supervision and continuous observation
You should immediately notify the commission if the exposure device has a radiation dose rate of more than ___________.
2 mSv/hr ( 200 mrem)
Every licensee shall notify the commission if any of the following situations occur:
a) device is lost, stolen, damaged
b) dose rate exceeds 2 mSv/hr
c) sealed source is separated from exposure device
d) source assembly fails to return to the shielded position