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Flashcards in Rad safe - NM Deck (16)
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1

Which regulations cover the medical use of NM?

IRR17: Protects staff and the public

IRMER17: Protects patients

EPR16: Accounting for and disposing of sources

2

Requirements of a risk assessment

IRR17 req Prior assessment

Description of work
Location
Exposed persons & dose constraints
Nature of hazard
Doses and dose rates
Contamination
Accidents
Control measures

3

What are examples of control measures?

- Procedures and training
- Controlled / supervised areas
- Contamination monitoring
- Local Rules

4

When do you require local rules?

Must have for Controlled Areas
May have for Supervised Areas

5

Requirements for Local Rules

- Identify designated areas
- Name of RPS
- Arrangements for restricting access
- Dose investigation level
- Summary of work instructions
- Contingency arrangements

Must be signed by all

6

What the role of an RPS?

Ensures compliance with the local rules

7

What is the contingency procedure for a spill?

Wear Personal Protective Equipment
Wipe and bag
Monitor
(Wipe and re-monitor)
Dispose
Record

8

Procedure for radionuclide-therapy emergency

Fire? Injuries? – take precedent
Notify RPS/RPA/management
Evacuate?
Make equipment safe
Reduce spread of contamination
Prohibit entry

9

What are the steps in a decontamination process?

Monitor
Wash
Not shower
Limit the spread

10

What is the lost source procedure?

Report to RPA / RPS
Stop moving things - No Cleaning - Retain Rubbish
Monitor!

11

Contacts for a radiation emergency

RPA / RPS / HoD
Switchboard (out of hours)
Director of Quality and Effectiveness
Police
EA
HSE

12

3 IRMER requirements for an exposure

Justified (benefit vs risk)
Optimised (ALARP)
Dose limited

13

3 Principles of radiation protection

Time
Distance
Shielding

14

How to restrict internal radiation

Minimise ingestion, inhalation, absorption
Gloves, apron

15

What are examples of special cases under IRMER?

Pregnancy
Breastfeeding
Paediatrics
Research -ARSAC/Ethics approval

16

What are the key changes to IRMER/IRR?

Implementation of Directive 2013/59/EURATOM
From January 2018 in UK law
Lens of eye dose limit down from 150 mSv to 20 mSv in a year
Graded approach to authorisation:
notification, registration, and consent