Radioactive Material

Useful rules of thumb, frequently asked questions, hints and tips related to radioactive materials (half life, dose rate, exposure potential etc).

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

    Published: Sep 29, 2021

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  • Formula for calculating dose rates from gamma emitting radioactive materials

    Published: Sep 29, 2021

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  • Distance travelled by Beta Particles in air and other materials

    Published: Sep 29, 2021

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  • Distance travelled by Alpha Particles in air and other materials

    Published: Sep 29, 2021

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In radiation protection I spend most of my time explaining to clients what they do not need to worry about.

– Mark Ramsay -