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Author: United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mining and Natural Resources
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 156
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Book Description
Author: United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mining and Natural Resources
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 156
Get Book Here
Book Description
Author: United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mining and Natural Resources
Publisher:
ISBN:
Category : Coal miners
Languages : en
Pages : 139
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Book Description
Author: National Academies of Sciences, Engineering, and Medicine
Publisher: National Academies Press
ISBN: 0309476011
Category : Science
Languages : en
Pages : 169
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Book Description
Coal remains one of the principal sources of energy for the United States, and the nation has been a world leader in coal production for more than 100 years. According to U.S. Energy Information Administration projections to 2050, coal is expected to be an important energy resource for the United States. Additionally, metallurgical coal used in steel production remains an important national commodity. However, coal production, like all other conventional mining activities, creates dust in the workplace. Respirable coal mine dust (RCMD) comprises the size fraction of airborne particles in underground mines that can be inhaled by miners and deposited in the distal airways and gas-exchange region of the lung. Occupational exposure to RCMD has long been associated with lung diseases common to the coal mining industry, including coal workers' pneumoconiosis, also known as "black lung disease." Monitoring and Sampling Approaches to Assess Underground Coal Mine Dust Exposures compares the monitoring technologies and sampling protocols currently used or required by the United States, and in similarly industrialized countries for the control of RCMD exposure in underground coal mines. This report assesses the effects of rock dust mixtures and their application on RCMD measurements, and the efficacy of current monitoring technologies and sampling approaches. It also offers science-based conclusions regarding optimal monitoring and sampling strategies to aid mine operators' decision making related to reducing RCMD exposure to miners in underground coal mines.
Author: United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mining and Natural Resources
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 144
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Book Description
Author: Lewis D. Raymond
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 32
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Book Description
Author: Jay Colinet
Publisher: Createspace Independent Pub
ISBN: 9781493568659
Category : Health & Fitness
Languages : en
Pages : 84
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Book Description
"Respirable dust exposure has long been known to be a serious health threat to workers in many industries. In coal mining, overexposure to respirable coal mine dust can lead to coal workers' pneumoconiosis (CWP). CWP is a lung disease that can be disabling and fatal in its most severe form. In addition, miners can be exposed to high levels of respirable silica dust, which can cause silicosis, another disabling and/or fatal lung disease. Once contracted, there is no cure for CWP or silicosis. The goal, therefore, is to limit worker exposure to respirable dust to prevent development of these diseases. The passage of the Federal Coal Mine Health and Safety Act of 1969 established respirable dust exposure limits, dust sampling requirements for inspectors and mine operators, a voluntary x-ray surveillance program to identify CWP in underground coal miners, and a benefits program to provide compensation to affected workers and their families. The tremendous human and financial costs resulting from CWP and silicosis in the U.S. underground coal mine workforce are shown by the following statistics: 1. During 1970-2004, CWP was a direct or contributing cause of 69,377 deaths of U.S. underground coal mine workers. 2. During 1980-2005, over $39 billion in CWP benefits were paid to underground coal miners and their families. 3. Recent x-ray surveillance data for 2000-2006 show an increase in CWP cases. Nearly 8% of examined underground coal miners with 25 or more years of experience were diagnosed with CWP. 4. "Continuous miner operator" is the most frequently listed occupation on death certificates that record silicosis as the cause of death. In light of the ongoing severity of these lung diseases in coal mining, this handbook was developed to identify available engineering controls that can help the industry reduce worker exposure to respirable coal and silica dust. The controls discussed in this handbook range from long-utilized controls that have developed into industry standards to newer controls that are still being optimized. The intent was to identify the best practices that are available to control respirable dust levels in underground and surface coal mining operations. This handbook provides general information on the control technologies along with extensive references. In some cases, the full reference(s) will need to be consulted to gain in-depth information on the testing or implementation of the control of interest. The handbook is divided into five chapters. Chapter 1 discusses the health effects of exposure to respirable coal and silica dust. Chapter 2 discusses dust sampling instruments and sampling methods. Chapters 3, 4, and 5 focus on dust control technologies for longwall mining, continuous mining, and surface mining, respectively. Finally, it must be stressed that after control technologies are implemented, the ultimate success of ongoing protection for workers depends on continued maintenance of these controls. NIOSH researchers have often seen appropriate controls installed, but worker overexposures occurred because of the lack of proper maintenance of these controls." - NIOSHTIC-2
Author: Donald P. Schlick
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 28
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Book Description
Author: M. L. Harris
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages :
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Book Description
The National Institute for Occupational Safety and Health (NIOSH), as part of its continuing research program for evaluating coal dust explosion hazards, has investigated several areas in which current practices may need to be updated in order to adequately protect mines against coal dust propagated explosions. In the United States, current rock dusting requirements remained largely unchanged since 1969. US Title 30 Code of Federal Regulations Section 75.403 is based on a coal dust particle size survey performed in the 1920s and later was supplemented by full-scale testing of the rock dust ability to inert a coal dust explosion. NIOSH recently conducted a comprehensive survey of US underground coal mines to determine the range of coal particle sizes found in dust samples collected from the mine entries. Due to advancements in technology and modern coal mining techniques, the current coal dust particles in intake airways are significantly finer than those found in the mines in the 1920s. According to past full-scale dust explosion test results, the current rock dusting practices used in mines today to inert a coal dust explosion may not be adequate. Other closely related issues such as rock dust testing methods and sampling procedures are discussed.
Author: Marvin Steven Seppanen
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 474
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Book Description
Author: Clete R. Stephan
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 18
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Book Description
After an underground coal mine explosion, samples of the coal and remaining dust are taken for analysis to help determine the source and cause of the explosion. These include channel samples of the coal seam and band samples of the remaining dust in the entries and crosscuts. Also if necessary, several spot samples of dust are taken from equipment or other areas of the mine that the band samples (mine dust survey) did not cover. This report summarizes the methodology behind the collection of these samples and the information provided by analysis of each type sample.
