Excessive exposures to airborne crystalline silica have been known for over 100 years to
pose a serious health hazard. Work practices and regulatory standards advanced as the …

Exposure to respirable crystalline silica is a hazard common to many industries in Alberta
but particularly so in abrasive blasting. Alberta occupational health and safety legislation …

Workers exposed to respirable crystalline silica used in abrasive blasting are at increased
risk of developing a debilitating and often fatal fibrotic lung disease called silicosis. The …

Although crystalline silica has been recognized as a health hazard for many years, it is still
encountered in many work environments. Numerous studies have revealed an association …

Occupational exposure to crystalline silica dust is associated with an increased risk for
pulmonary diseases such as silicosis, tuberculosis, chronic bronchitis, chronic obstructive …

Occupational exposures to respirable crystalline silica are associated with the development
of silicosis, lung cancer, pulmonary tuberculosis, and airways diseases. These exposures …

Background In metal and nonmetal (M/NM) mines in the United States, respirable crystalline
silica (RCS) exposures are a recognized health hazard and a leading indicator of respiratory …

In vitro assays have been used extensively to investigate the toxicity of mineral dusts,
including the various forms of crystalline silica. Early in vitro research utilized hemolysis and …

Chronic inhalation exposure of workers to crystalline silica can result in silicosis. The
general public can also be exposed to lower levels of crystalline silica from quarries, sand …

This report describes a previously uncharacterized occupational health hazard: work crew
exposures to respirable crystalline silica during hydraulic fracturing. Hydraulic fracturing …