radioactive materials
Decay-emitting hazardous substances
Radioactive materials are substances that emit radiation as their atomic nuclei decay.
The term covers everything from uranium ore to medical isotopes to nuclear waste.
Regulations govern their transport, storage, and disposal: The facility handles radioactive materials under strict protocols.
In casual use, the phrase sometimes describes anything dangerously contaminating or best avoided.
- technetium-99mMetastable medical radioisotope
- nuclear medicineHealthcare using radioactive materials
- uraniumElement ninety-two
- yellow cakeConcentrated uranium oxide powder
- poloniumElement number eighty-four
nuclear fallout · cold war · strontium-90 · thorium · radon · iodine-131 · hazmat suit · carbon-14 · actinium · cesium-137 · radiotherapy · lead apron · dosimeters · potassium-40 · plutonium-239 · nuclear power plants · Chernobyl disaster · radium
- Nuclear Materialsuranium, plutonium, enriched uranium, plutonium-239, uranium-235
- Contaminantspollutants, pollutant, heavy metals, toxin, pesticides
- hazardsfire hazard, fire hazards, toxin, contamination, tripping hazard
- contrabandheroin, cocaine, narcotics, illegal drugs, illicit drugs
- Energy Departmentenergy policy, energy research, energy security, national labs, nuclear power
- Hazard Safetyhazmat, dangerous goods, warning signs, safety signs, warning labels
radioactive materialstoxic chemicals
Harmful manufactured substances
corrosive substances · flammable materials · pathogens · poisons · carcinogens
radio, radios, radioactive, radioactivity, radiate, radiated, radiating, radiation, radiator