Radiation Protection Rules of Thumb & FAQ

A set of radiation protection rules of thumb covering brief guides, frequently asked questions (FAQ), equations or principles, hints and tips for use in the workplace. Use with care (and always with consultation from a Radiation Protection Adviser).

Environmental radiation Monitoring for Ionising Radiation People often ask these radiation protection questions Radioactive Material Radiation Risk Time, distance and shielding Radiation protection units and conversions

  • The 10 half-life rule of thumb for radioactive materials

    Published: Sept 29, 2021

    Source: Ionactive Radiation Protection Resources

      Tags:
    • Radioactive Decay
    • Half-Life
    • Half-Life calculations
    • 10 Half-Life Rule
    • Dose Rate
    • beta radiation
    • Gamma rays

    The 10-half-life reduction rule is an approximation but useful for evaluating contingency plans. This example explains the concept with examples and interactive decay curve plots. 

    Read more

  • Distance travelled by Beta Particles in air and other materials

    Published: Sept 29, 2021

    Read more

  • Distance travelled by Alpha Particles in air and other materials

    Published: Sept 29, 2021

    Read more

  • What type of radiation is most harmful to health?

    Published: Sept 29, 2021

      Tags:
    • Alpha Particles
    • Beta Particles
    • Gamma / X-rays
    • Neutrons
    • External Exposure
    • Internal Exposure
    Read more

  • What is RPS training?

    Published: Sept 29, 2021

    Read more

  • What is the difference between sealed and unsealed radioactive source?

    Published: Sept 29, 2021

      Tags:
    • Sealed Source
    • Closed Source
    • Unsealed Source
    • Open Source
    • Contamination
    Read more

The ultimate paradox, of course, is that even though we're all going to die, we've all got to live in the meantime…

– Brian Cox -