[PDF] Uranium Mill Tailings Remedial Action Project 1995 Environmental PDF 28017488.pdf

20 jui 1996 · processing site 6-68 6-37 Environmental air and gamma radiation uranium mine air vents and from active uranium mill sites adjacent to The Monument Valley UMTRA Project site is on the Navajo Nation reservation in a remote area Between 1955 and 1960, the Lowman mill was operated to recover

1955–1968 Uranium-ore processing mill operates at the Monument Valley site, on land leased from the Navajo Nation During milling operations, chemicals from mill-tailings piles and ponds leaked into the soil and groundwater 1968 Mill closes and land is returned to the Navajo Nation

[PDF] Ten-Year Plan to Address Impacts of Uranium - US EPA

1955 Monument Valley mill begins processing uranium ore 1956 Tuba City mill begins 1968 Monument Valley mill ceases operation Shiprock mill ceases Funding or work commitments to assess and clean up mine sites are secured

[PDF] Abandoned Uranium Mines and the Navajo Nation - US EPA

North Central Region: West Mitten Butte located in the Monument Valley Navajo turn processed the ore at their own facilities (mill sites) or sold the raw uranium ore Most uranium mining activities ended in 1968 on the Navajo Nation, but the With respect to future work, EPA and NNEPA will coordinate closely with the

[PDF] Uranium Mill Tailings Remedial Action Project 1995 Environmental

[PDF] Proceedings of Workshop on Uranium Production Environmental

tailings at inactive uranium processing sites and provide a means for joint federal and state funding of the cleanup efforts at sites where all or substantially al of

[PDF] WM2012 Conference, February 26–March 1, 2012, Phoenix

1 mar 2012 · The 22 Title I sites were inactive uranium processing mills that were no longer licensed when UMTRCA By 1955, hundreds of mines were producing ore, and numerous mills and Monument Valley, Arizona; and Mexican Hat, Utah Corporation of America) operated the uranium mill from 1954 to 1968

Final Site Observational Work Plan for the UMTRA Project Site at

ore-processing operations that were ongoing from 1955 through 1968 the location of a former uranium mill that operated from 1955 through 1968 The upgrnder constructed at the Monument Valley site in 1955 consisted of a mechanical

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