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Engineering control of welding fumes.

Authors
Astleford-W
Source
NIOSH 1974 Sep; :1-122
Link
NIOSHTIC No.
00074602
Abstract
An experimental investigation was conducted to define satisfactory criteria for the control of welding and cutting fumes using local exhaust ventilation methods. Based on the tests with breathing level fume samples, shielded manual metal arc welding on carbon steel and stainless steel, and gas shielded arc welding on carbon steel were judged to constitute the greatest potential health hazards. Analysis of breathing zone fume samples indicated that the prevailing standard of capture velocity, i.e. 100 feet per minute, is extremely effective in controlling fume concentrations. Ventilation system requirements were derived on the basis of a given set of ground rules which included environmental conditions and base materials. Recommendations are made for development of criteria for welding in confined spaces, welding with mixed facilities, and welding on paint-primed and zinc coated base metals. (Contract No.
Keywords
NIOSH-Contract; Contract-099-72-0076; Industrial-hygiene; Environmental-engineering; Safety-engineering; Air-contamination; Ventilation-systems; Exposure-limits; Welding-industry; Exhaust-systems; Air-quality-control
Publication Date
19740901
Document Type
Numbered Publication
Funding Type
Contract
Fiscal Year
1974
NTIS Accession No.
PB88-205935
NTIS Price
A07
Identifying No.
(NIOSH) 75-115; Contract-099-72-0076
NIOSH Division
DLCD
Source Name
National Institute for Occupational Safety and Health
State
OH
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