The parameters for the human health impact models
are described here with default numerical values given for those parameters
that are not pollutant specific. The parameters are described for each
of the three model types; radiation, chemical carcinogens, and chemical
noncarcinogens.
5.29 RADIATION HEALTH IMPACT PARAMETERS
Health impacts from exposure to radiation are estimated
using health effects conversion factors or USEPA slope factors. Default
values for health effects conversion factors are as given in Table 5.27.
These values are based on recommendation given in the BEIR V report (NAS
1990) and International Commission on Radiological Protection (ICRP) Publication
60 (ICRP 1990).
There are no pollutant-independent parameters used
in the health impacts model for radiation exposure based on the use of
USEPA slope factors.
TABLE 5.27 Health Effects Conversion Factor Default Values