Colonization by pioneering trees of an inactive uranium tailings site in Elliot Lake, Ontario (Canada).

  • 16 Pages
  • 2.18 MB
  • English
University of Toronto, Institute for Environmental Studies , Toronto, Ont
Betula pendula -- Ontario -- Elliot Lake., Populus tremuloides -- Ontario -- Elliot Lake., Revegetation -- Ontario -- Elliot Lake., Abandoned mines -- Ontario -- Elliot Lake., Uranium mill tailings -- Environmental aspects -- Ontario -- Elliot Lake., Soil amendments -- Ontario -- Elliot Lake., So
About the Edition

A study conducted on uranium mine tailings in Elliot Lake, Ontario attempted to determine the usefulness of White birch and Trembling aspen in revegetation. The growth and survival of the trees on amended and seeded soil were monitored. Age, height, and density were taken into account.

ContributionsSmith, M. P.
The Physical Object
Paginationp. 1-16 :
ID Numbers
Open LibraryOL21638098M

Uranium tailings exist at operating uranium mill sites in northern Saskatchewan and at inactive or decommissioned sites in Saskatchewan, Ontario and the Northwest Territories.

The following table provides a list of uranium mine and mill facilities licensed by the CNSC. An investigation of radium extraction from uranium mill tailings. ( Ra) from sulfuric acid-leach process tailings from the Elliot Lake area was investigated by contacting with several leachants such Ontario book HNO 3 and solutions of DTPA, EDTA and CaCl by: Uranium production in the Bancroft area and at Beaverlodge, Saskatchewan, ceased in and the last of the labour-intensive, lower-grade Elliot Lake mines closed in Recent uranium mining Canada's uranium production in was ab tonnes uranium (tU), one third of world mine output, all from mines in northern Saskatchewan.

Worldwide, the mining of uranium has generated × m3 of mill tailings. The radioactivity of these tailings depends on the grade of ore mined and varies from less than 1. tailings and up to 3 million tonnes of waste rock can be attributed to domestic energy production.

Uranium mine tailings and waste rock are typi-cally acidic or potentially acid generating, and contain long-lived radionuclides, heavy metals and other contaminants. • Canadian uranium. watershed/Elliot Lake area of Ontario, surface water concentrations ranging from to μgL-1 were reported.

Surface water at decommissioned mines in the Beaverlodge Lake, Saskatchewan area had surface concentrations in the range of 59 to μgL Drinking water supplies usually have uranium concentrations less. Low‐pH process waters contained in a number of inactive and abandoned uranium mill tailings in the United States represent potential sources of radionuclide and trace metal contamination of ed investigations at a typical site at Riverton, Wyoming, indicate that chemical transport occurs from initial dewatering of the tailings, downward infiltration due to precipitation, and.

span the uranium production cycle from project development to decommissioning and site rehabilitation. Tailings and mine waste dumps produced during mining and milling are the main source of effluents from a uranium operation, and they continue to be a concern even after a mine is closed.

BOOJUM RESEARCH LIMITED. Publications. Book Chapters. B8Kalin M, WN Wheeler, “ Biological polishing of Arsenic, Nickel and Zinc in an acidic lake and two alkaline pit lakes.

annex i. brazil: a case study on the uranium tailings dam of poÇos de caldas uranium mining and milling site. h.m. fernandes, m.r. franklin, g.m. leoni, m. almeida annex ii.

canada: cameco rabbit lake in-pit tailings management facility — tailings injection trial. Elliot Lake, Ontario _____ Other areas ) providing for the reclamation of inactive uranium mill tailings areas, and the control of tailings as a licensed by-product material.

The reader is thus cautioned to keep this historical 2.

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The Long Term Stabilization of Uranium Mill Tailings. IAEA TECDOC No. English IAEA-TECDOC X. Download PDF ( MB).

Elliot Lake, Canada • Huge ore body of uranium was discovered in early s • For the next 40 years, produced most of the world's uranium • Last 5 mines closed in ’s • Between retirement living, tourism and some logging, the area is thriving East Coast Phosphate Uranium Production • Florida.

The mining and milling of uranium ore produces very large volumes of long-lived, low-level radioactive tailings which have leached into waterways in the vicinity of Elliot Lake, Ontario, thereby posing serious health and environmental problems.

(p). The inactive tailings site in Grand Junction, CO led to a case in that is analogue to the Love Canal incident. The uranium mill tailings at Grand Junction were reused for a variety of construction purposes instead of simply being stockpiled, as was typical at the time.

URANIUM MILL TAILINGS REMEDIAL ACTION PROGRAM From the late s, it was known that the misuse of uranium tailings was not unique to the Grand Junction, Mesa County area. Inthe U.S.

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Congress passed Public Lawthe Uranium Mill Tailings Radiation Control Act (UMTRCA). This law. Water covers for uranium mill tailings dams are also used by Cogéma at Mounana (Gabon) and at St-Priest-la-Prugne (Loire, France).

Reclamation of uranium mill tailings deposits To reclaim an uranium mill tailings pile according to principles of a safe long-term isolation, detailed investigations have to be performed in advance to assess the site.

confinement of uranium mill tailings. A technical report on the subject will be published in This will present an overview of current practices for the impoundment of mill tailings, and of site selection.

Related to the subject was a co-ordinated research programme. Uranium Mill Tailings Uranium mill tailings are primarily the sandy process waste material from a conventional uranium ore residue contains the radioactive decay products from the uranium chains (mainly the U chain) and heavy metals.

As defined in Ti P of the Code of Federal Regulations (10 CFR Part 40), the tailings or wastes produced by the extraction or. This program facilitated the cleanup of 15 million cubic yards of uranium tailings at former uranium mill sites in nine western Colorado communities.

Because much of the cleanup is complete, the focus has shifted to primarily "Post-UMTRA issues," or the discovery of new uranium mill tailings material by private citizens, utility companies or local governments. The regulatory authorities most familiar with this site have concluded that the decommissioned Elliot Lake uranium mine tailings “present a perpetual environmental hazard” making it necessary to keep the waste management area flooded and the water impoundment physically secure in perpetuity to prevent exposure of the tailings to oxygen.

An expansion of the uranium mining industry has occurred several times in the past thirty years due to an increasing demand for uranium.

The risk of accidents at nuclear power plants may temporarily slow down the growth of the nuclear industry, but it will not stop the progress being made in the generation of electricity from nuclear power and the demand for uranium will continue to increase.

[Findings on Uranium Tailings] [Uranium: A Discussion Guide][ Uranium Sub-Directory] [ COMPLETE DIRECTORY] [email protected] Since March 27ththere have been overoutside visits to the CCNR web site, plus (counter reset June 3rd at midnight).

Abstract. Approximately ha of Uranium mill tailings ponds containing approx. Mio. m 3 of mill tailings were left as part of the legacy of the uranium mining and milling in Eastern Germany. The decommissioning of these tailings ponds belongs to the most challenging tasks of the entire Wismut remediation project.

Uranium mining is the process of extraction of uranium ore from the ground. The worldwide production of uranium in amounted to 60, tonnes. Kazakhstan, Canada, and Australia are the top three producers and together account for 70% of world uranium production.

Other important uranium producing countries in excess of 1, tons per year are Niger, Russia, Namibia, Uzbekistan, China. Salt Lake City, UT Telephone: [email protected] Access Restrictions. Twenty-four hour advanced notice encouraged. Materials must be used on-site.

Access to parts of this collection may be restricted under provisions of state or federal law.

Description Colonization by pioneering trees of an inactive uranium tailings site in Elliot Lake, Ontario (Canada). EPUB

Languages English. The project include one uranium mill, two open pits, and tailings covering 20 square miles. Serpent Lake Band. Rio Algom Corp. opened the Elliot Lake Mine in The Serpent Lake Band lives directly downriver from the complex and has been affected by uranium mining and its leftover tailings.

Until the early s, all waste went untreated. associated with the ore. Uranium mill tailings, for almost exclusively in Western States, were produced at approximately 50 sites around the USA.

Of those, 24 tailings sites are covered in DOE’s UMTRAP program. Uranium mill tailings have been undergoing a federally required clean-up program since. lar uranium and radium, and other potential groundwater conta­ minants such as magnesium sulfate and manganese. The last two can occur in relatively high concentrations in pore water in tailings as a result of recycling water in the uranium extraction process.

Physical and chemical requirements related to. Most US uranium-producing states are 'agreement states' vis a vis the Nuclear Regulatory Commission (NRC) and have authority to issue permits and regulate uranium mining and milling. The NRC's role is then minimal.

In February Wyoming, the major uranium production state, passed legislation to make it an agreement state, along with all the other uranium-producing states. @article{osti_, title = {Predicting arsenic concentrations in porewaters of buried uranium mill tailings}, author = {Langmuir, D and Mahoney, J and MacDonald, A and Rowson, J}, abstractNote = {The proposed JEB Tailings Management Facility (TMF) to be emplaced below the groundwater table in northern Saskatchewan, Canada, will contain uranium mill tailings from McClean Lake, Midwest and.Uranium Deposits of the World Tauchid, M.[1], and Underhill, D.H.[2] 1.

Consultant, Nepean, Ontario, Canada 2. Division of Nuclear Power and the Fuel Cycle, International Atomic Energy Agency, Vienna, Austria Total world uranium production in is estimated to be in the order of 36 tonnes U.

An increase of around 2 tonnes U from the check to determine if the property was part of the uranium mill tailings program. If the property has a his-tory of tailings, or if there is a tailings site within the immediate vicinity of the property, an on-site survey is performed.

If uranium tailings are discovered, recommendations are made to the owner/builder and to Mesa.