Sentences with phrase «radiological hazard»

But a fetus is most vulnerable to chemical or radiological hazards during the first trimester, and for that reason, Tapp says, women working with potential hazards should report a pregnancy as soon as they know.

The IAEA has categorized four potential nuclear security threats (or, more accurately, nuclear security risks): the acquisition of nuclear weapons by theft; the creation of nuclear explosive devices using stolen nuclear materials; the use of radioactive sources in radiological dispersal devices (RDDs); and the radiological hazards caused by an attack on, or sabotage of, a facility or a transport vehicle.