|
Type of activity
|
Operation
|
Radioactive and Chemical contaminants
|
|
Peaceful nuclear explosions
|
Oil and gas reservoir enhancement
|
Radioactive soil and debris
|
|
Research and engineering
|
Test prototype reactors
|
Fission and activation products, heavy metals
|
|
Test nuclear engines
|
Mercury, lead, asbestos, radionuclides
|
|
Research reactors
|
Residues in cooling ponds, landfilled chromium solutions, oils in pumps that has become tritiated, waste lubricants and PCB with activation products
|
|
Mining and industry
|
Uranium mining and milling
|
Tailings, mining residues
|
|
Oil and gas
|
Enhanced Ra, scales in pipes
|
|
Rare earth production
|
Radionuclides with rare earth metals and alloys, sometimes mixed with chlorinated solvents
|
|
Welding rods
|
Thorium, degreasing material
|
|
Instrument manufacturing and maintenance, including luminescing parts
|
Ra, 3H, 90Sr and other β-emitters in paint phosphors, chlorinated solvents, etching solutions, mercury switches
|