U.S. Department of Labor to Seek Data on Protecting Miners From Exposure to Quartz

ARLINGTON, VA - The U.S. Department of Labor's Mine Safety and Health Administration (MSHA) today announced that it will publish a Request for Information (RFI) in the Federal Register seeking data on economically and technologically feasible methods to protect miners' health from exposure to quartz. The RFI includes an examination of an appropriately reduced permissible exposure limit, potential new or developing protective technologies, and/or technical and educational assistance. The Request for Information will be published in the Federal Registeron August 29, 2019.

Quartz accounts for the overwhelming majority of naturally occurring crystalline silica and is present in varying amounts in almost every type of mineral. Since mechanized mining and milling operations generate large amounts of dust, miners may become exposed to elevated levels of respirable quartz.

Miners exposed to quartz in respirable dust can develop lung diseases such as chronic obstructive pulmonary disease and various forms of pneumoconiosis, such as silicosis, coal workers' pneumoconiosis, progressive massive fibrosis, and rapidly progressive pneumoconiosis. These lung diseases are irreversible, life limiting, and may lead to death. MSHA's existing standards limit miners' exposures to quartz in respirable dust.

"The Department of Labor is committed to having the information to make important decisions in order to best protect America's miners," said Acting Secretary of Labor Patrick Pizzella.

Comments will be accepted for 60 days from the date of publication in the Federal Register.

The mission of the Department of Labor is to foster, promote, and develop the welfare of the wage earners, job seekers, and retirees of the United States; improve working conditions; advance opportunities for profitable employment; and assure work-related benefits and rights.

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