MSHA’s Respirable Coal Mine Dust Rule Enters Final Phase of Implementation
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Exactly two years after its landmark rule aimed at preventing black lung disease took effect, the U.S. Department of Labor’s Mine Safety and Health Administration has begun implementing provisions of the third — and final — phase of the rule. Effective now, the overall respirable dust standard in coal mines is reduced from 2.0 to 1.5 milligrams per cubic meter of air. The rule also reduces the standard for miners diagnosed with black lung, and for air used to ventilate areas where miners work, from 1.0 to 0.5 milligrams per cubic meter of air.
In July 2016, MSHA reported approximately 99 percent of the respirable coal mine dust samples collected from April 1, 2016 through June 30, 2016, complied with coal mine dust standards. Using the new, cutting-edge continuous personal dust monitor that provides miners with dust results in real time during the working shift, agency personnel have analyzed more than 20,000 underground coal mine operator samples.
“Black lung has claimed tens of thousands of lives. The positive sampling results are due to the extraordinary efforts of MSHA and industry working to clean up the air that miners breathe and successfully implement the respirable dust rule,” said Joseph A. Main, assistant secretary of labor for mine safety and health.
“The nation’s coal miners are better protected from debilitating and deadly disease than ever before, but we still have much more work to do to prevent black lung. Miners deserve to work their shift each day and return home healthy and safe,” added Main.
Since the final rule went into effect on Aug. 1, 2014, MSHA and mine operators have collected more than 122,000 respirable dust samples and more than 99 percent of those samples met compliance levels.
On Jan. 25, 2016, the U.S. Court of Appeals for the 11th Circuit denied a challenge to the dust rule brought by two separate groups representing the coal industry. The court found that MSHA acted within its statutory authority in promulgating the dust rule, and that MSHA’s dust rule reflected reasonable agency decision making based on an expansive rulemaking record.
Prolonged exposure to respirable coal mine dust can lead to black lung, a debilitating and deadly disease. The National Institute for Occupational Safety and Health estimates that black lung has caused or contributed to the deaths of 76,000 coal miners since 1968. Since the late 1990s, the percentage of miners identified with black lung has increased from 5 to 10 percent among long-tenured workers more than $45 billion in compensation benefits have been paid out to coal miners disabled by black lung and their survivors.
About MSHA
The U.S. Department of Labor’s Mine Safety and Health Administration (MSHA) works to prevent death, illness, and injury from mining and promote safe and healthful workplaces for U.S. miners. MSHA carries out the provisions of the Federal Mine Safety and Health Act of 1977 (Mine Act) as amended by the Mine Improvement and New Emergency Response (MINER) Act of 2006. The agency develops and enforces safety and health rules for all U.S. mines regardless of size, number of employees, commodity mined, or method of extraction. MSHA also provides technical, educational and other types of assistance to mine operators. They work cooperatively with industry, labor, and other Federal and state agencies to improve safety and health conditions for all miners in the United States.
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