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radp 210 - radiation protection > Outcome 9 > Flashcards

Outcome 9 Flashcards

1
Q

who regulates the use of nuclear substances in Canada?

A

Canadian Nuclear Safety Commission under the Nuclear Safety and Control Act

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2
Q

what are the 3 functions of the International Commission of Radiological Protection (ICRP)?

A
  1. to establish recommendations for radiation limits
  2. determine principals of radiation protection
  3. volunteers provide the research
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3
Q

what are the 3 functions of the International Commission of Radiation Unit and Measurement (ICRU)?

A
  1. set quantities and units of radiation
  2. develop constant charts (ex. exposure rate constant ERC)
  3. work with the ICRP to determine principles of radiation protection
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4
Q

which international body is part of the United Nations?

A

International Atomic Energy Agency (IAEA)

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5
Q

what are the 2 functions of the International Atomic Energy Agency (IAEA)?

A
  • to inspect (world’s nuclear inspectorate)
  • ensure that safeguarded nuclear material and activities aren’t used for military purposes
  • promote safety and security: nuclear installations, radioactive sources, radioactive materials in transport, and radioactive waste
  • promote science and technology: nuclear generation for electricity
  • radiation transport recommendations
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6
Q

what are the 3 functions of the National Committee of Radiation Protection and Measurement (NCRP)?

A
  1. USA national recommending body
  2. inform public of radiation exposure and protection
  3. work with ICRP and ICRU to establish radiation quantities, units and measurements related to radiation protection
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7
Q

what are the three international bodies that establishes radiation quantities and measurements for radiation protection?

A

NCRP + ICRP + ICRU

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8
Q

what are the two important documents that our regulations are based on?

A

ICRP recommended dose limits reports #60 and #103

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9
Q

what are deterministic effects?

A
  • effects that are CERTAIN to happen when thresholds doses are reached
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10
Q

how are deterministic effects affected by the doses?

A

severity varies with the dose

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11
Q

what are stochastic effects?

A

effects are NOT CERTAIN to occur
- probability of occurrence increases as dose increases

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12
Q

which biological effect has a small chance of occurring even at very low doses?

A

stochastic effects

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13
Q

Burns, cataracts, and radiation sickness are examples of what?

A

deterministic effects

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14
Q

cancer, genetic/hereditary effects are examples of what?

A

stochastic effects

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15
Q

what are the 5 license types?

A
  1. licence application
  2. licence to abandon
  3. licence renewal
  4. licence to amend, revoke or replace
  5. licence suspension
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16
Q

what is required in order to keep your licence?

A

all licensed areas need to submit an annual compliance report to cnsc

17
Q

what requires a licence?

A
  • areas that use nuclear substances or radiation devices above the exempt Bq quantities

*if you want to possess, use, transfer, store, import, export or service nuclear substances

18
Q

what are requirements of the licence?

A
  • posted in visible spot
  • needs to be renewed every 2-5 years (?)
  • have specific cnsc licence number
  • photocopied and distributed to any supplier of radioactive material
19
Q

on a licence application form, what is needed?

A
  • applicant info.
  • purpose of proposed licence
  • radiation protection program
  • radiation safety program policies and procedures
  • specific requirements based on proposed licensed activity
20
Q

what do you do when you apply for a licences?

A
  • completed and signed application
  • copy of current radiation safety manual
  • copy of current radiation safety policies (ALARA, training, NEW designation, personnel dose rate monitoring, etc.)
21
Q

annual compliance report needs to include radiation safety manual updates. t/f

A

true

22
Q

when do site inspections occur?

A
  • every few years or when significant changes to the license occurs
  • new licenses
23
Q

what are type I inspections?

A

In-depth inspection that includes observations, review of practices/procedures, staff interviews

24
Q

what are type II inspections?

A

brief observation, measurements, and review of records

25
Q

Licensee will be informed of upcoming inspection in writing. t/f

A

true

26
Q

licensee will be given a list of non-compliances with a timeframe for remediation. t/f

A

true

27
Q

which effects (deterministic and/or stochastic) does the EDL ensure that you avoid?

A

deterministic effects
- sets limits well below levels that cause these known biological effects

28
Q

what do the guidelines of ICRP publications 60/103 consider regarding radiation protection and safety?

A
  • considers standards of protection and benefit
  • dose limits recommended follow ALARA

radp 210 - radiation protection (10 decks)

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