... occurred in monitoring sites located in the northwestern states, including Boise Idaho, Spokane Washington, and Helena Montana. (30) However, 2001-2005 thyroid cancer incidence in these ... this report indicate that emissions from nuclear power reactors are likely to be a contributing factor in current U.S. thyroid cancer incidence rates. This finding merits further examination, ... thyroid cancer incidence are in a contiguous area of eastern Pennsylvania, New Jersey, and southern New York. Exposure to radioactive iodine emissions from 16 nuclear power reactors within a 90 mile...