McCraren Compliance

MSHA takes action to reduce miners’ exposure to silica dust as work continues on an improved health standard

First published by MSHA

MSHA launched unprecedented effort to protect miners
from serious illnesses such as black lung disease, silicosis

WASHINGTON – The U.S. Department of Labor’s Mine Safety and Health Administration has launched a new enforcement initiative to better protect the nation’s miners from health hazards resulting from repeated overexposure to respirable crystalline silica. MSHA reports silica dust affects thousands of miners each year and, without adequate protection, miners face risks of serious illnesses, many of which can be fatal.

Crystalline silica is a common mineral found in the earth’s crust. Materials like sand, stone, concrete and mortar contain crystalline silica. Respirable crystalline silica – minute particles at least 100 times smaller than ordinary beach sand – becomes airborne during cutting, sawing, grinding, drilling, and crushing stone and rock.

Without proper protections and engineering controls in place, miners can be exposed to dangerous levels of crystalline silica particles, which increases their risk of developing serious silica-related diseases. These conditions include incurable lung diseases such as coal workers’ pneumoconiosis, commonly referred to as “black lung;” progressive massive fibrosis, the most severe form of black lung; silicosis; lung and other cancers; chronic obstructive pulmonary disease; and kidney disease.

“Simply put, protecting miners from unhealthy levels of silica cannot wait,” said Assistant Secretary for Mine Safety and Health Chris Williamson. “We are committed to using every tool in MSHA’s toolbox to protect miners from developing debilitating and deadly lung diseases that are entirely preventable. We have seen too many miners carrying oxygen tanks and struggling to breathe just to take a few steps or do the simplest of tasks after having their lungs destroyed by toxic levels of respirable dust.”

“Our agency is working hard and is committed to issuing a silica rule that will enhance health protections for all miners. The enforcement initiative that we are announcing today is a step we can take now while we continue the rulemaking process toward the development of an improved mandatory health standard,” Williamson added.

As part of the program, MSHA will conduct silica dust-related mine inspections and expand silica sampling at mines, while providing mine operators with compliance assistance and best practices to limit miners’ exposure to silica dust.

Specifically, the silica enforcement initiative will include:

In addition, Educational Field and Small Mine Services staff will provide compliance assistance and outreach to mine operators, unions and other mining community organizations to promote and advance protections for miners.

The recently launched MSHA initiative is intended to take immediate action to reduce the risks of silica dust exposure as the department’s development of a mining industry standard continues.

Silica Enforcement Initiative 


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