IEER SDA Vol. 6 No. 1

SDA Vol. 6 No. 1 Centerfold:
Table 4.

Waste Classification of Selected
Radionuclides by Agency
Radionuclide
Decay Mode
Half-Life
Waste Classification:
NRC
EPA
DOE
Pu-241
(>3500 nCi/g )
beta
14.4 yrs
TRU
LLW
LLW
decay product:
Am-241
(>100 nCi/g)
alpha
432 yrs.
TRU
TRU
TRU
Cm-242
(>20,000 nCi/g)
alpha
163 days
TRU
LLW
LLW
decay product:
Pu-238
(>100nCi/g)
alpha
87 yrs.
TRU
TRU
TRU
Cm-244
alpha
18 yrs.
TRU
LLW
LLW
nCi/g = nanocuries per gram

Sources: DOE, Radioactive Waste Management, DOE Order 5820.2A (Washington: September 26, 1988); Environmental Protection Agency, 1989 (40 CFR 191.18); NRC 1988 (10 CFR Part 61.55).

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October, 1997