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 …

This study was designed to document the effect that wet abrasive blasting has on reducing
worker exposure to crystalline silica, which has been associated with silicosis and …

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 …

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 …

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 …

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 …

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 …

National concordance standards for respiratory protection during abrasive blasting have
existed for more than 50 years; however, these standards have not kept pace with advances …

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

The company involved with this investigation was a privately-owned business established in
1975. There were eight employees at the facility, three of which were sandblasters. The …