Preliminary Public Dose Evaluation in Support of the Development of
November, 2012
Rare Element Resources, Inc. Bear Lodge Project
v
ACRONYMS AND ABBREVIATIONS (concluded)
Acronym
Definition
NORM
naturally occurring radioactive material
NRC
U.S. Nuclear Regulatory Commission
OSHA
Occupational Health and Safety Administration
OXCA
oxide carbonate
pCi
picocuries
ppm
parts per million
PUG
physical upgrade plant
radon
radon-222; and both radon-222 and radon-220 (when discussed collectively)
RG
Regulatory Guide
REE
rare earth element
REO
rare earth oxides
RER
Rare Element Resources, Inc.
s
second
t
tons (not tonnes)
TENORM
technologically enhanced naturally occurring radioactive material
thoron
radon-220
TSF
tailings storage facility
TREO
total rare earth oxide
µg
micrograms
U.S.
United States
UNSCEAR United Nations Scientific Committee on the Effects of Atomic Radiation
VMT
vehicle mile traveled
wk
week
wt %
weight percent
y
year
