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|  DOE-HDBK-1113-98
Radioactive Properties
Flammability
Uranium burns in air
u
Radioactive decay products
u
Large amounts of water will extinguish a
u
Criticality
u
fire, but
Uranium plus water produces hydrogen gas
u
Special fire extinguishers smother the fire
u
Radiological Safety Training for Uranium Facilities
OT-7
Radiological Safety Training for Uranium Facilities
OT-8
Toxicity
Chemical Reactivity
Uranium is reactive
u
Heavy metals are toxic
Many possible chemical hazards
u
u
Uranium metal oxidizes in hours
u
Uranium is comparable to lead in toxicity
u
Uranium chips ignite immediately
u
Uranium in water produces flammable hydrogen
u
gas
Uranium should be in oil for long-term storage
u
Concentration of decay products can cause
u
increased exposure rates
Radiological Safety Training for Uranium Facilities
OT-9
Radiological Safety Training for Uranium Facilities
OT-10
Colors
Lower oxides (e.g., UO2) are usually
u
dark colored
Module 102
less soluble
Higher oxides (e.g., UO3, UO4, UO42H2O)
u
The Nuclear Fuel Cycle
are usually
orange or yellow colored
more soluble
Radiological Safety Training for Uranium Facilities
OT-11
Radiological Safety Training for Uranium Facilities
OT-12
2
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