Workplace Solutions: Reducing Hazardous Dust Exposure When Dowel Drilling in Concrete.

摘要

Construction workers may be exposed to hazardous dust containing respirable crystalline silica when using dowel drilling machines to drill horizontal holes in concrete pavement. The National Institute for Occupational Safety and Health (NIOSH) found that exposures were reduced using tool-mounted local exhaust ventilation (LEV) and good work practices.