Uranium Mines Dot Navajo Land, Neglected and Still Perilous - NYTimes.com: The government has been successful in tracking down and holding some former mining companies accountable. The E.P.A. is requiring that General Electric spend $44 million to clean up its Northeast Church Rock Mine, near Gallup, N. M. Chevron is paying to clean up the Mariano Lake Mine, also in New Mexico.
When the government cannot locate a responsible party, which is most often the case, the E.P.A. and the Department of Energy work with the tribal authorities to reach cleanup decisions. In general, the E.P.A. handles mines, while the Energy Department is responsible for the mills where the ore was processed and enriched.
One of the Department of Energy’s biggest priorities is a billion-dollar uranium mine cleanup that is under way in Moab, Utah, and that received $108 million in federal stimulus money and the backing of nine congressmen.
Some Navajo officials point out that Interior Secretary Ken Salazar signed a 20-year moratorium on new uranium and other hard-rock mining claims on one million acres of