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

Occupational exposure to respirable crystalline silica (RCS) is common for several
occupations in construction, not only because of its presence in many handling materials but …

From 2009 to 2013, Alberta Jobs, Skills, Training, and Labour (JSTL) conducted a project to
evaluate exposure to crystalline silica and assess controls to protect workers. Information on …

Abstract Fifty-one (51) personal silica air samples were collected over 13 days on 19
construction employees while they performed five different construction tasks found in the …

Background The objective of this work was to estimate the percentage of workers by industry
that are exposed to defined concentrations of respirable crystalline silica dust. Methods An …

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 …

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 …

Background: Although crystalline silica exposure is associated with silicosis, lung cancer,
pulmonary tuberculosis, and chronic obstructive pulmonary disease (COPD), there is less …

Exposures to respirable dust and silica were investigated among 36 construction sites in the
USA. Personal measurements (n= 151) were analyzed from 80 workers in four trades …