Construction workers are regularly exposed to hazardous dust when using
jackhammers to break concrete pavement. Dust released in such operations may
contain crystalline silica, which can cause silicosis, a deadly lung disease.
Workers in the construction industry may breathe dust that contains crystalline
silica during many tasks including grinding concrete, cutting brick and block,
tuckpointing masonry, or using a jackhammer to break concrete. A study to
measure exposures found that jackhammer operators who break concrete were
exposed to about 6 times the recommended exposure limit.
A new Workplace Solutions document, published by the US-American National
Institute for Occupational Safety and Health (NIOSH), provides practical
recommendations for using water-spray control devices to reduce occupational
exposures to hazardous dust in employing jackhammers to break concrete
AplusA-online.de - Source: National Institute for Occupational Safety and Health (NIOSH)