48
Table 3— (Continued)
Response factors for radiation detecting instruments
Area radiation-contribution factors for discontinuous source geometries and
variable source intensities
Skyshine-contribution factors as a function of surface roughness and source
geometry
Contact radiation exposures
Beta dose and dose rates in air over contaminated surfaces as a function of
distance from the surface
Absorbed beta dose to the tissue of contaminated plants, animals, and humans
Dependence of absorbed contact beta doses on meteorological factors. ex-
posure times, and environmental factors (all biological species. including
insects)
Internal radiation-exposure parameters
Biological availability of individual radionuclides as a functionof particle size
Foliar absorption of radionuclides by edible plants or plant parts as a function
of particle diameter
Uptake rate of radionuclides by edible plants grown on tilled and untilled soils
as a function of particle diameter or location, plant growth rates, soil type.
and climatic variables
Ingestion and assimilation rates of radionuclides by tissues of animals and
radionuclide concentrations in animal tissues and food products from animals fed with contaminated plant parts and water obtained from different
locations in the fallout area
Absorbed
doses to plants,
nuclides (all intake paths)
animals,
and
humans from
ingestion
of radio-
Table 4— ALTERATION OF EXPOSURE ENVIRONMENTS BY
RADIOLOGICAL COUNTERMEASURES
Attenuation of gamma-ray intensities
Shelter protection factors as a function of wall materials and thickness.
radiation-source geometry, and compartment size, shape, and location in
building
Attenuation by barriers as a function of barrier height and thickness and other
geometric parameters, such as the distance from barrier or the dimensions
of area enclosed by the barrier
Attenuation by burial of the fallout particles by covering them with soil or by
plowing (i.e., mixing the fallout with soil to various depths) land areas
Decontamination
Effectiveness of the removal of fallout particles from contaminated surfaces
as a function of the method and its procedural parameters, particle diam-
eter of the fallout, surface density of the fallout, weathering, type of surface, and effort applied
Disposal of fallout particles removed by decontamination
Exposure dose to decontamination crews during decontamination operations as
a function of the type of area that is cleaned, the operation schedule, and the
methods of decontamination
Effectiveness of water purification methods in the removal of soluble radio-
nuclides and fallout particles from exposed water sources
Effectiveness of food processing and treatment methods in the removal of
soluble radionuclides from contaminated food products (i.e., milk decon-
tamination, removal of particles from grains in threshing and milling,
desorption of radionuclides from vegetables into water, etc.)
(Table 4 continues on page 49)