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Coal ash contains many toxic substances that may affect human health, if people are exposed to them above a certain concentration in the form of particulate matter.So it is necessary to avoid situations in which employees working in coal-fired power plants or public members living close to coal ash landfills will be exposed to high coal ash dust concentrations. [4]
The Occupational Safety and Health Administration (OSHA) has set the legal limit (Permissible exposure limit) for coal dust exposure in the workplace as 2.4 mg/m 3 (5% SiO 2) over an 8-hour workday. The National Institute for Occupational Safety and Health (NIOSH) has set a Recommended exposure limit (REL) of 1 mg/m 3 (measured by MSHA) or 0.9 ...
Dust degrades air quality in the immediate area, has an adverse impact on vegetative life, and constitutes health and safety hazards for mine workers and nearby residents. [10] [11] Surface mining disrupts virtually all aesthetic elements of the landscape. Alteration of land forms often imposes unfamiliar and discontinuous configurations.
Coal miners will be better protected from poisonous silica dust that has contributed to the premature deaths of thousands of mine workers from a respiratory ailment commonly known as black lung ...
A half-century ago, the nation's top health experts urged the federal agency in charge of mine safety to adopt strict rules protecting miners from poisonous rock dust. The inaction since ...
In the Federal Coal Mine Health and Safety Act of 1969, the US Congress set up standards to reduce dust and created the Black Lung Disability Trust. The mining companies agreed to a clause, by which a ten-year history of mine work, coupled with X-ray or autopsy evidence of severe lung damage, guaranteed compensation.
Exposure to coal dust is the cause of coalworker's pneumoconiosis, also called "black lung disease", is an interstitial lung disease caused by long-term exposure (over 10 years) to coal dust. Symptoms include shortness of breath and lowered pulmonary function. It can be fatal when advanced.
The collapse of a coal mining plant in Eastern Kentucky Tuesday has left one worker dead. Kentucky has a long history of coal mining disasters. These are 5 of the deadliest