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Control of Hazardous Dust When Grinding Concrete

April 2009
DHHS (NIOSH) Publication Number 2009-115
cover of 2009-115

Construction workers are exposed to hazardous dust when using handheld electric grinders to smooth poured concrete surfaces after forms are stripped. The National Institute for Occupational Safety and Health (NIOSH) found that exposures could be reduced if a local exhaust ventilation (LEV) shroud was attached to the grinder.