Radiation Protection Glossary

A radiation protection glossary for Radiation Protection Supervisors (RPS) and anyone interesting in radiation safety terminology. The glossary is a mixture of health physics terms, and phrases related to radiation legislation, transport, practical safety and similar.

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Electromagnetic spectrum

The electromagnetic spectrum covers a wide range of wavelengths and Photon energies. It ranges from Gamma Rays at one end (High Frequency, High Energy and Low Wave Length) to radio waves at the other (Low Frequency, Low Energy and Long Wave Length). For Ionising Radiation protection purposes we are concerned with X-Rays and Gamma Rays.

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