>An estimated 1.36 short tons (1.23 t) of uranium and 46 curies of alpha contaminants traveled 80 miles (130 km) downstream[8] to Navajo County, Arizona, and onto the Navajo Nation.[2] In addition to being radioactive and acidic, the spill contained toxic metals and sulfates.[9] The spill contaminated groundwater and rendered the Puerco unusable to local residents, mostly Navajo peoples who used the river's water for drinking, irrigation, and livestock. They were not warned for days of the toxic dangers from the spill.[2]<p>>The governor of New Mexico, Bruce King, refused the Navajo Nation's request that the site be declared a federal disaster area, limiting aid to affected residents.[10] The nuclear contamination event received less media coverage than that of Three Mile Island, possibly because it occurred in a very rural area not served by major media. The spill also happened in Native American country, among a community who reportedly did not have their concerns addressed by medical authorities.[11]<p>I’m not surprised, but I am disappointed.
> 46 curies<p>In comparison, TMI released 13 megacuries of radioactive noble gases, primarily xenon. The half lives of that were generally much shorter, though.