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 …

Crystalline silica inhaled from occupational sources has been classified by IARC as
carcinogenic to humans; in contrast, for amorphous silica, epidemiological and experimental …

Since the International Agency for Research on Cancer labeled crystalline silica a probable
carcinogen in 1988, government regulations have required sand and other products to …

There is a growing body of evidence supporting the contention that the ability of respirable
crystalline silica to cause silicosis can vary according to the surrounding circumstances of …

In view of the extended debate and differing opinions on whether crystalline silica is a
human carcinogen, we have reviewed a selection of epidemiological reports, to identify the …

Crystalline silica has been identified as a probable human carcinogen. To assess the
potential for adverse health effects due to environmental exposures to respirable crystalline …

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 …

Silicosis from inhalation of silica has long been recognized as an occupational hazard.
Concern has arisen regarding the potential risk of silicosis from ambient silica (primarily …

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

In 1987 the International Agency for Research on Cancer (IARC) classified crystalline silica
(CS) as a probable carcinogen and in 1997 reclassified it as a Group 1 carcinogen, ie, that …