By Committee on Coal Waste Impoundments, Committee on Earth Resources, Board on Earth Sciences and Resources, National Research Council
On October eleven, 2000, a step forward of Martin County Coal Corporation’s coal waste impoundment published 250 million gallons of slurry in close to Inez, Kentucky. The 72-acre floor impoundment for coal processing waste material broke via right into a close by underground coal mine. even if the spill brought on no lack of human lifestyles, environmental harm used to be major, and native water provides have been disrupted. This incident brought on Congress to request the nationwide study Council to ascertain how you can decrease the opportunity of related injuries sooner or later. This booklet covers the engineering practices and criteria for coal waste impoundments and how you can review, increase, and video display them; the accuracy of mine maps and how you can enhance surveying and mapping of mines; and substitute applied sciences for coal slurry disposal and usage. The e-book comprises recommendation for a number of audiences, together with the Mine safeguard and health and wellbeing management, the place of work of floor Mining, and different federal businesses; country and native policymakers and regulators; the coal and its experts; and scientists and engineers.
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Additional info for Coal Waste Impoundments: Risks, Responses, and Alternatives
Because MSHA’s primary concern is the welfare of miners, MSHA’s focus for underground mining with regard to impoundments is the effects of mining on embankment stability, and the possibility of water inrush into an underground mine or onto the surface area of mines. To deal with these concerns, MSHA relies on the operator’s determination of the presence of About this PDF file: This new digital representation of the original work has been recomposed from XML files created from the original paper book, not from the original typesetting files.
Are there other methods to wash and process coal that would reduce the amount of slurry disposal needed? • What are the options for the coal waste product to be refined further in order to produce a marketable product? To address the charge, the committee gathered, synthesized, and analyzed information by working in subgroups based on the three main topics in the Statement of Task (geotechnical aspects, site characterization, and alternative technologies). The committee held eight information-gathering meetings, including six subgroup meetings, between March and June 2001.
1 impoundment in Buchanan County, Virginia, failed. In the 1960s, the Kennedy coal seam at the site had been excavated by both surface area mining and underground auger mining. After the impoundment was constructed (1984), another company mining underground in the adjacent drainage area apparently intersected the historic auger mine workings, providing a conduit for the slurry. Coal refuse and slurry from the impoundment broke into an abandoned underground mine and discharged about 1,000 gallons per minute at its peak through two mine portals into the adjacent North Branch Hollow of the Levisa Fork of the Big Sandy River.