title: Comparing exposure levels by type of welding operation and evaluating the effectiveness of fume extraction guns.
authors.affiliation: Engineering and Physical Hazards Branch, NIOSH, Cincinnati, OH 45226, USA.
authors.forename: M
authors.initials: M
authors.lastname: Wallace
authors.forename: S
authors.initials: S
authors.lastname: Shulman
authors.forename: J
authors.initials: J
authors.lastname: Sheehy
mesh_terms: D016902:Air Pollution, Indoor / Q000517:prevention & control*; D004867:Equipment Design; D006801:Humans; D008420:Manufactured Materials; D016273:Occupational Exposure; D014691:Ventilation; D014896:Welding