Tritium production, releases and population doses at nuclear power reactors
Conference
·
· Fusion Technol.; (United States)
OSTI ID:5767655
Tritium is produced in light-water-cooled reactors as a product of ternary fission and by nuclear reactions with the coolant and with neutron-absorbing materials used for reactor control. Pressurized water reactors (PWRs) have greater amounts of tritium produced in or released into the coolant than boiling water reactors (BWRs). Consequently, tritium releases to the environment from PWRs (29 GBq/MW(e)-y (0.78 Ci/MW(e)-y)/sup 0/ are about 6 1/2 times greater than from BWRs (4.4 GBq/MW(e)-y (0.12 Ci/MW(e)-y)/sup 0/. Most of the tritium released from PWRs appears in the liquid effluent (about 85%), whereas 75% of the tritium released from BWRs is as airborne effluents. Radiation doses from these tritium releases are small; the average site collective (population) dose in 1981 was less than 0.002 person-sieverts per year (0.2 person-rem/ year). The total collective dose from all tritium releases was 0.08 personsieverts (8 person-rem).
- Research Organization:
- Nuclear Regulatory Commission, Washington, DC
- OSTI ID:
- 5767655
- Report Number(s):
- CONF-850405-
- Conference Information:
- Journal Name: Fusion Technol.; (United States) Journal Volume: 8:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
500300* -- Environment
Atmospheric-- Radioactive Materials Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BWR TYPE REACTORS
COMPARATIVE EVALUATIONS
DOSES
ENVIRONMENTAL TRANSPORT
FISSION PRODUCT RELEASE
FLUIDS
GASES
HAZARDS
HEALTH HAZARDS
HUMAN POPULATIONS
HYDROGEN COMPOUNDS
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
MASS TRANSFER
MATERIALS
NUCLEI
ODD-EVEN NUCLEI
OXYGEN COMPOUNDS
POPULATIONS
PWR TYPE REACTORS
RADIATION DOSES
RADIATION HAZARDS
RADIOACTIVE EFFLUENTS
RADIOACTIVE MATERIALS
RADIOACTIVE WASTES
RADIOISOTOPES
RADIONUCLIDE MIGRATION
REACTORS
TRITIUM
WASTES
WATER
WATER COOLED REACTORS
WATER MODERATED REACTORS
YEARS LIVING RADIOISOTOPES
Atmospheric-- Radioactive Materials Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BWR TYPE REACTORS
COMPARATIVE EVALUATIONS
DOSES
ENVIRONMENTAL TRANSPORT
FISSION PRODUCT RELEASE
FLUIDS
GASES
HAZARDS
HEALTH HAZARDS
HUMAN POPULATIONS
HYDROGEN COMPOUNDS
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
MASS TRANSFER
MATERIALS
NUCLEI
ODD-EVEN NUCLEI
OXYGEN COMPOUNDS
POPULATIONS
PWR TYPE REACTORS
RADIATION DOSES
RADIATION HAZARDS
RADIOACTIVE EFFLUENTS
RADIOACTIVE MATERIALS
RADIOACTIVE WASTES
RADIOISOTOPES
RADIONUCLIDE MIGRATION
REACTORS
TRITIUM
WASTES
WATER
WATER COOLED REACTORS
WATER MODERATED REACTORS
YEARS LIVING RADIOISOTOPES