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Ecological aspects of environmental assessment of contaminated areas

Conference ·
OSTI ID:7152910
When large landscapes are contaminated by radionuclides released from nuclear activities, physical processes, such as atmospheric and hydrological transport may move the radioactive materials over large distances resulting in direct external exposure of man and organisms. This paper provides an overview of the modeling of radionuclide movement through defined ecological pathways, describes some ecological problems at remediated sites, and briefly reviews effects of environmental radiation on terrestrial and aquatic biota. This paper describes pathways that should be considered when conducting environmental dose assessments for radionuclides released to the environment. 4 refs.
Research Organization:
Pacific Northwest Lab., Richland, WA (USA)
Sponsoring Organization:
DOE/NE
DOE Contract Number:
AC06-76RL01830
OSTI ID:
7152910
Report Number(s):
PNL-SA-18039; CONF-900484--1; ON: DE90009451
Country of Publication:
United States
Language:
English

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Related Subjects

54 ENVIRONMENTAL SCIENCES
540230* -- Environment
Terrestrial-- Radioactive Materials Monitoring & Transport-- (1990-)
540330 -- Environment
Aquatic-- Radioactive Materials Monitoring & Transport-- (1990-)
560140 -- Radiation Effects on Plants
560151 -- Radiation Effects on Animals-- Man
560152 -- Radiation Effects on Animals-- Animals
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR
ALARA
ANIMALS
CONTAMINATION
DRINKING WATER
DYNAMIC FUNCTION STUDIES
ENVIRONMENTAL EXPOSURE
ENVIRONMENTAL EXPOSURE PATHWAY
ENVIRONMENTAL IMPACTS
ENVIRONMENTAL TRANSPORT
FLUIDS
FOOD
GASES
HAZARDOUS MATERIALS
HUMAN POPULATIONS
HYDROGEN COMPOUNDS
ISOTOPES
MASS TRANSFER
MATERIALS
MATHEMATICAL MODELS
OXYGEN COMPOUNDS
PLANTS
POPULATIONS
RADIATION EFFECTS
RADIOACTIVE MATERIALS
RADIOACTIVE WASTES
RADIOISOTOPES
RADIONUCLIDE MIGRATION
REMEDIAL ACTION
STEADY-STATE CONDITIONS
WASTES
WATER