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Tailings - Wikipedia

Tailings, also called mine dumps, culm dumps, slimes, tails, refuse, leach residue or slickens, terra-cone (terrikon), are the materials left over after the process of ...

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Frustration sets in after coal mine health study suspended - AP News

Nov 11, 2017 ... Debris from surface mines can harm streams, and the coal slurries from ... 26, 2017 photo, coal trucks and heavy equipment look like children's toys on the Middle ... The goal of the scuttled study — by National Academies of Sciences, ... Protection said it conducts significant surface water quality sampling.

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Mining - Wikipedia

Mining is the extraction of valuable minerals or other geological materials from the earth, usually from an orebody, lode, vein, seam, reef or placer deposit. These deposits form a mineralized package that is of economic interest to the miner. Ores recovered by mining include metals, coal, oil shale, gemstones, .... When a full tank was opened, the flood of water sluiced away the overburden ...

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CDC - Mining - History of the Mining Program - NIOSH

Sep 19, 2012 ... In 2010 OMSHR celebrated 100 years of mining research starting with the ... and disseminate scientific, technologic, and economic data of value to the mineral industries. ... permissible equipment of any kind for use in U.S. coal mines. .... USBM research also led to the development of slurry and emulsion ...

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Why do coal mines need so much water? - Phys.org

Apr 13, 2017 ... Coal is then transported through pipelines as a water-based slurry for ... Mines also need water for things like equipment maintenance, and for ...

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Beef and coal are key drivers of Australia's high nitrogen footprint ...

Dec 23, 2016 ... Beef consumption and production is the major contributor of the high food N footprint, while the heavy dependence on coal for electricity ... This consumer-based tool can connect individual consumption choices with Nr ..... R. Land, irrigation water, greenhouse gas, and reactive nitrogen burdens of meat, ...

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WEFsat-Mining Tool User-Guidance Manual: Water, energy and ... - IISD

Illustrative Benefits and Impacts of Mining on Water, Energy and Food Security. 10. 2.3.2 .... WEFsat. Water-Energy-Food security analysis tool for mining ...... Mining Initiative (GMI), decided to commission a .... Centre for Science in Public ...... Water consumption: water used in mineral separation and benefication, slurry lines.

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Coal Mining and Transportation - Energy Explained, Your Guide To ...

Aug 31, 2017 ... Coal miners use large machines to remove coal from the earth. Many U.S. coal ... Slurry pipelines move mixtures of crushed coal and water.

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The big seep | Center for Public Integrity

Jan 12, 2009 ... Longwall mining is draining the water from the springs and streams of ... Longwall coal mine companies push to "downgrade" stream ... In the sky, you take in lustrous lakes of black sludge known as "slurry," where waste gets dumped. .... Scientists say every flow reacts differently to the method: some get ...

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Water Pollution Control - A Guide to the Use of Water Quality ...

Dec 15, 1994 ... Standard Methods for the Examination of Water and Wastewater ... Thomson Science & Professional, R. Seshadri, 32 Second Main Road, CIT East, .... authoritative guidance and tools to help them face their own ...... resolution of specific pollution problems, such as water pollution from coal mining as.

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Auditing Mining - INTOSAI WGEI

In the 11th Working group meeting of WGEA in Arusha Tanzania in 2007 ... the INTOSAI WGEA Steering Committee for their valuable help in .... affect all environmental media – land, air, water, and associated ... For governments, regulatory tools have to be ..... Huge pools of mining waste "slurry" are often stored behind.

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5 years after a deadly coal mine disaster, what's changed? | Grist

Apr 3, 2015 ... His life since joining the coal industry in the early '80s has been ... gallons of coal slurry, a nasty chemical concoction used to strip coal of its ... mines that leaked into the drinking water of Blankenship's neighbors near the Tug Fork River. ... in the Appalachian Regional Commission's generous definition of ...

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Coal ash: The hidden story | Center for Public Integrity

Feb 19, 2009 ... How industry and the EPA failed to stop a growing environmental .... They never fathomed they were drinking water laced with coal ash. ... In July 2006, the National Academy of Sciences identified 24 potentially hazardous metals in coal ash. .... Nor are there federal rules for dumping the toxic slurry. Coal ...

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Dust - World Health Organization

scientific terminology, an aerosol is defined as a system of particles suspended in ..... A British Occupational Hygiene Society (BOHS) Technical Committee studied the "dust ... With this in mind, moisture - in the form of water - can be ..... cutting industry, hand tools were succeeded early this century by pneumatic tools, which.

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