As indicated in Table 5-12, the total number of health effects per 1,000 people is the sum of health effects estimated for whole body, bone and lung doses. This total is the maximum estimated health effect* or risk. The actual risk may actually be zero or negligible when compared ! SoHEaerence et So Serres eaarerestgairag eneeneFone ete ARIE narceneeamngaN to effects resulting from natural or background exposure. *As indicated in NCRP Report No. 43, Review of the Current State of Radiation Protection Philosophy, January 15, 1975, it is very unreasonable to interpret these upper limit estimates as actual risk. Because of the ‘extreme conservatism in these estimates, they should be used only as general guidelines in any risk analysis. ~ 5-40