coal dust


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coal dust

Occupational medicine Finely particulate carbonaceous dust, often mixed with silicates; CD is a known lung irritant intimately linked to coal workers' pneumoconiosis–black lung disease. See Coal dust macule, Coal workers' pneumoconiosis.

coal dust

causes black discoloration in lungs and bronchial lymph nodes in animals living in urban areas where coal is used for energy. Called anthracosis.
References in periodicals archive ?
Had there been rock dust present in sufficient quantities in this area, MSHA believes that the UBB methane explosion would not have propagated into the resulting coal dust explosion.
In both cases, with the windows open, I have not experienced any coal dust entering the locomotive operating cab.
A rescue spokesman told Xinhua that workers had located the trapped miners, but must clear tons of coal dust from the mine shaft to reach them.
Dr Rudd added: "It has now been proved that coal dust can cause it as well.
Offering what it called a comprehensive coal dust control product line is Zinkan, which has underground environment solutions to aid in the fight against pneumoconiosis to sealing and topping and road environment products.
A surfactant - a sticky polymer - would be applied to the coal to minimize coal dust blowing from the trains, UP said in its memo.
Once an explosion occurs, any coal dust in the mine, either lodged on timbers or the floor, is lifted into the air by the 'flame front' where, because it is so fine, each particle exposes a large surface area to the oxygen of the atmosphere and so absorbs oxygen from the air, which, in the event of a gas explosion, enables the coal dust to transmit the flame from one particle to the next in a massive chain reaction.
Clubbers, we would suggest you don't bother the courts with information you got off websites, and that you don't go into court with a boxful of coal dust as evidence a BNSF coal train "emitted" it onto the tracks beside the Columbia River.
John Jordan-Cascade, of the group Beyond Toxics, urged the board to look not only at the economic benefits from jobs and construction but also the economic damage from coal dust.
This is a posed scene, as under normal circumstances the atmosphere would be too thick with coal dust to allow photography.
COMPENSATION to miners exposed to coal dust is likely to run into billions of pounds.
Surfactant: wetting, lignosulfonate Buckman Laboratories International Inc BULAB 8626 Vendor to provide coal dust treatment compound to be used at the GRDA Coal Fired Complex, near Chouteau, Oklahoma.