AQA GCSE Combined Science Trilogy · 8464
Specification 6.4.2.4 · Paper 5
Revise: Radioactive Contamination and IrradiationRadioactive contamination is the unwanted presence of materials containing radioactive atoms on other materials. For example, radioactive dust settling on someone's skin contaminates the skin. Radioactive material can also enter the body if it is breathed in or swallowed.