Nuclear Safety 2

What is the purpose of a radiological risk assessment?

• To identify hazards

• To assess risks

• To keep exposure ALARP

• To prevent radiological accidents

What does ALARP mean?

• As Low As Reasonably Practicable

• As Long As Reasonably Possible

• As Low As Radiation Practical

• As Long As Radiation Preventable

What is the dose limit for a radiation worker?

• 10 mSv/yr

• 20 mSv/yr

• 100 mSv/yr

• 1 mSv/yr

Match the responsibility to the role:

Groups:

(a) Radiation Protection Supervisor

,

(b) Radiation Protection Advisor

• External consultant
• Provides advice on the IRR17
• Conducts audits to ensure compliance
• Assists with investigations
• Manages day to day use of radioactive materials
• Enforces local rules
• Internal member of staff
• Conducts radiological risk assessments

Which legislation regulates use of harmful chemicals?

• COSHH

• PPE

• MHOR

• HSAW

Calculate the 8 hour TWA for exposure of 4 mg/m3 over 4 hours and 0 mg/m3 for the remaining time.

• 4 mg/m3

• 0.5 mg/m3

• 1 mg/m3

• 2 mg/m3

What is the most common route of exposure for harmful chemicals?

• Ingestion

• Absorption

• Inhalation

• All 3

Who is responsible for classification of chemicals?

• HSE

• The manufacturer

• The consumer

• REACH

Where can chemical safety information be found?

• The MSDS

• The label on the bottle

• The COSHH assessment

• Mandatory classification list

Which of these would be found on a radiological risk assessment but not a COSHH assessment?

• Storage information

• Spillage instructions

• Estimated dose rates

• PPE required