Manganese and welding fume exposure and control in construction.

  title={Manganese and welding fume exposure and control in construction.},
  author={John D Meeker and Pam Susi and M. Rachel Flynn},
  journal={Journal of occupational and environmental hygiene},
  volume={4 12},
Overexposure to welding fume constituents, particularly manganese, is of concern in the construction industry due to the prevalence of welding and the scarcity of engineering controls. The control effectiveness of a commercially available portable local exhaust ventilation (LEV) unit was assessed. It consisted of a portable vacuum and a small bell-shaped hood connected by a flexible 2 inch (50.8 mm) diameter hose, in both experimental and field settings. The experimental testing was done in a… CONTINUE READING