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Water Spray Control of Hazardous Dust | NIOSH | CDC
Jun 6, 2014 · Construction workers are exposed to hazardous dust when using jackhammers to break concrete pavement. NIOSH found that exposures could be reduced by using a water-spray attachment.
nozzle on the jackhammer. Mounting the nozzle above the end of the jackhammer will prevent the nozzle from striking the pavement. Water-supply lines: Connect the nozzle by flexible 16 pounds-per-square-inch (psi), 3/8-inch-diame-ter hydraulic line to a quarter-turn valve mounted near the operator’s hand position for turning the wa-
Ergonomics and Work-Related Musculoskeletal Disorders
NIOSH The Occupational Safety and Health Act of 1970 established NIOSH as a research agency focused on the study of worker safety and health, and empowering employers and workers to create safe and healthy workplaces.