Safety Equipment (8)

Question 1

Survey Instrument

Answer 1

• measure doses 20µSv/h to 100 mSv/h
• means of checking battery life and strength
• calibrated yearly

Question 2

Direct Reading Dosimeter (DRD)

Answer 2

• record any dose a person may receive
• accuracy of +/- 20% true dose
• read twice a day
• NEW keep record of daily doses
• calibrated yearly

Question 3

Personal Alarming Dosimeter (PAD)

Answer 3

• record any dose a person may receive
• accuracy of +/- 20% true dose
• audible warning when dose reaches/exceeds 5 mSv/h or 2mSv/h
• calibrated yearly

Question 4

Thermoluminescent Dosimeter (TLD) or Optically Stimulated Luminescent Dosimeter (OSL)

Answer 4

• issued by licensed dosimetry service
• used by 1 person at a time
• returned to license at end of 15-day period

Question 5

Long-handled tools

Answer 5

• minimum of 1.5m

Question 6

Shielding Material

Answer 6

• attenuate radiation by a minimum of 1/100

Question 7

Cutting Tool

Answer 7

• capable of cutting a guide tube and cable from an exposure device

Question 8

Collimator

Answer 8

• made of lead
• absorb radiation not being directed at an object being radiographed
• reduces NEW exposure

Question 9

Ropes and Signs

Answer 9

• must be legible
• RAYONNEMENT - DANGER - RADIATION
• colour and proportions of the trefoil symbol
• accordance to Schedule 3 of the Radiation Protection Regulations
• prevent entry in a radiation area with a dose rate >0.1 mSv/h