Research and analysis

Light bulbs containing tritium, krypton-85 and thorium radioisotopes: radiological impact

This report (HPA-CRCE-021) assesses the radiological consequences of disposing lamps containing tritium, krypton-85 and thorium.


HPA-CRCE-021: assessment of the radiological impact of the recycling and disposal of light bulbs containing tritium, krypton-85 and radioisotopes of thorium

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The European Light Companies Federation commissioned the Health Protection Agency (now Public Health England) to carry out a study to assess the radiological consequences arising from the recycling and disposal of lamps containing low levels of tritium, krypton-85 and thorium.

The assessment was carried out of the doses received by workers and members of the public representative of individuals most exposed during recycling and disposal of these lamps. The amount of radioactive material in lamps depends on the product and its use.