The pneumatic drill generated 444 times the OSHA permissible exposure level of silica dust, while the electric drill generated 11 times the OSHA level. The pneumatic drill\’s noise level was also greater than that of the electric drill, according to one study highlighted in NIOSH\’s October 2018 Research Rounds.
Source: News feed
NIOSH-Funded Studies Show Ways to Reduce Silica Exposure in Concrete Cutting
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