Vocabulary Materials
Radiation Vocabulary from RadTown,
the Environmental Protection Agency's
Radiation Education Website
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Electromagnetic
Spectrum
Radiation
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1
Non-Ionizing Ionizing
Low Frequency
High Frequency
Extremely
Low Frequency
Radiofrequency
Microwave Infrared Visible Light Ultraviolet
X-rays Gamma Rays
I
^USJNKC
J.5. FOOD & DRUG
and States
U.S. FOOD & DRUG
NISTRATION
Regulated by
4 ~
Some States
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Non-Ionizing
Radiation
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Low Frequency
High Frequency
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Ionizing Radiation
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High Frequency
Low Frequency
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Alpha Particle
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Beta Particle
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Gamma Rays
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X-rays
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DNA
(Deoxyribonucleic
Acid)
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Natural Radiation
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Cosmic Radiation
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Terrestrial Radiation
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Man-Made Radiation
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Nuclear Energy
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Atom
Neutron
Proton
Electron
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Nucleus
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Proton
Neutron
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Meson
Strong Nuclear Forces
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Radioactive Atom
Radioactive Decay
Radioactivity
Unstable Nucleus
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Americium
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1
W A
95
!l
Am
ll
(243)
J
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Radium
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Radon
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Tritium
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Hydrogen-1
(1P+0N)
Atomic
Weight = 1
Hydrogen-3
(1P+2N)
Atomic
Weight = 3
1 protons
0 neutrons
1 protons
2 neutrons
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Uranium
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Decay Chain
Half-Life
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Uranium-238
^500000000
years
Radon-222
3.8 days
Radium-226
1602 years
Radon-222
3.8 days
Polonium-210
138 days
1
Lead-206
(Stable Nuclide)
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Ion
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Neutral Negatively Positively
Atom Charged Charged
Atom Atom
protons (+) protons (+) protons (+)
< >
electrons (-) electrons (-) electrons (-)
' . ^ '
v ' •• N ' v
/ / _ _ \ \
f \ '• £ * \ ! • f
<*** : ; . J , . : fj I
\ ¦//' // W / ,
N
6 protons 5 protons 6 protons
6 electrons 6 electrons 5 electrons
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Isotope
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Carbon-12
(6P+6N)
Carbon-13
(6P+7N)
Carbon-14
(6P+8N)
Atomic
Weight = 12
Atomic
Weight = 13
Atomic
Weight = 14
* a
1
6 protons
6 neutrons
6 protons
7 neutrons
6 protons
8 neutrons
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Radioactive Materials
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Exposure Pathways
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Radiation Exposure
Direct Exposure
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6> * oc —4W
*p——~
6* Y vw^H^
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Inhalation
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Ingestion
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Radioactive
Contamination
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Abandoned
Uranium Mine
Contaminated
Water Runoff
Contaminated
Building Materials
Unregulated
Water Supply '
Contaminated Underground Water Supply
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Dose
Rem (Roentgen
Equivalent Man)
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Absorbed
Radiation
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Radiation Protection
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Dosimeter
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51«vcii ifl K l^rvr
29QS01
07£ OiAi I leiu'n U.>:e; i-vjoo.'
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Dosimetry
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Image Provided by U.S.
Department of Energy (DoE), Oak Ridge National Laboratory
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Geiger Counter
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Health Physics
Monitoring
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Open-pit Uranium
Mining
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Underground
Uranium Mining
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Uranium Milling
Uranium Mine
Tailings
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Waste Rock Low
Grade Ore
Uranium
Mine
Uranium
Ore
Uranium
Mill
4
f
I
Tailings
Yellow
Cake
(U308)
~
.t.
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Heap Leaching
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Liner
System
Acid
Recirculation
Collection
Basin
Processing
Plant
Image Provided by Nuclear Regulatory Commission {NRC)
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In-situ Leaching
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Liner
System
Acid
Recirculation
Collection
Basin
Processing
Plant
Image Provided by Nuclear Regulatory Commission {NRC)
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Fission
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Fusion
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Chain Reaction
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1. A neutron
3. The neutrons
hit other nuclei,
causing them to
fission
is about to
hit the
nucleus of a
uranium
atom.
2. The uranium atom splits
(fissions) into several atoms,
releasing heat and several
more neutrons.
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Nuclear Fallout
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Soil and debris
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Shelter in Place
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Acute Exposure
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Chronic Exposure
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*0"
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