Conditions control the impact your radioactive substance activities could have on the environment and human health.

I think it is good that radioactive substances have been included in the report.

The highest level of radioactive substances found in this survey.

For more information, see our guide on managing radioactive substances.

Certain radioactive substances also glow in the dark through a similar process, but you do not see that much any more.

A small amount of radioactive substance is injected into the patient.

There is a dispute about possible radioactive substances within the ship.

It was said that the trouble did not cause any leak of radioactive substances to the outside.

"We seem to be walking around a hotbed of radioactive substance!"

The illness was perhaps caused by exposure to radioactive substances.

Birds can land on its surface and take small amounts of radioactive substances with them.

Nuclear medicine uses radioactive substances to image the body and treat disease.

Leigh-Smith was also involved in the use of radioactive substances as a treatment for cancer.

To change your environmental permit for a radioactive substances activity you must complete separate forms.

This test uses a radioactive substance to measure bone density.

The figure of radioactive substance leak has improved even after the blast.

One of these radioactive substances, Krypton 85, will cause death and skin cancer.

Other radioactive substances have contaminated water under the ground.

One of our problems has been the handling of radioactive substances.

Many more will have suffered from cancers brought on by one of the radioactive substances released.

Radioactive substances may be added to either sand or shingle.

Finding materials like that would be difficult because radioactive substances are controlled in commerce.

The incident would, however, be the first time in the city's history that a radioactive substance had been stolen from a restricted area.

Boxes of radioactive substances clearly marked "refrigerate" sat in the sun.

"Are you suggesting that we could get the radioactive substances from Muspelheim?"