ABBREVIATIONS
ALARA
as low as reasonably achievable
CEQ
Council on Environmental Quality
CERCLA
Comprehensive Environmental Response, Compensation, and Liability Act
CFR
Code of Federal Regulations
DEIS
Draft Environment Impact Statement for Hanford Tank Waste Remediation System, 1996
DOE
U.S. Department of Energy
DST
double-shell tank
EDTA
ethylene diamine tetracetic acid
EIS
environmental impact statement
EPA
U.S. Environmental Protection Agency
FEIS
Final Environmental Impact Statement for disposal of Hanford Defense High-Level, Transuranic and Tank Wastes, 1987
FR
Federal Register
HEPA
high-efficiency particulate air [filters]
HLW
high-level waste
ICRP
International Commission on Radiological Protection
LAW
low-activity waste
MUST
miscellaneous underground storage tanks
NCRP
National Council on Radiation Protection and Measurements
NEPA
National Environmental Protection Act
NOx
oxides of nitrogen
NRC
National Research Council
PUREX
plutonium uranium extraction
RCRA
Resource Conservation and Recovery Act
SOx
oxides of sulfur
SST
single-shell tank
TPA
Tri-Party Agreement (Hanford Site)
TRUEX
transuranium extraction
TWRS
Tank Waste Remediation System (Hanford Site)
USNRC
U.S. Nuclear Regulatory Commission
UNITS OF MEASURE
Ci (nCi)
curie (nanocurie = 10-9 curies)
cm
centimeter
g (Mg)
gram (megagram)
km
kilometer (km2 = square kilometer)
m
meter (m3 = cubic meters; 1 m3 = 264 gallons U.S.)
W (MW)
watt (MW = megawatt)
CHEMICAL ELEMENTS
Ba
barium (137Ba isotope)
C
carbon (14C isotope)
Cl
chlorine
Cs
cesium (133Cs, 134Cs, 135Cs, 136Cs, and 137Cs isotopes)
Cu
copper
F
fluorine
I
iodine (129I isotope)
Sr
strontium (90Sr isotope)
Tc
technetium (99Tc isotope)
Zr
zirconium (90Zr isotope)