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Engineering Control of Welding Fumes, Final Report.

Authors
Astleford-WJ; Register-JW
Source
NIOSH, 1973 Jul :1-123
Link
NIOSHTIC No.
20000661
Abstract
An experimental investigation was conducted to define satisfactory criteria for the control of welding and cutting fumes using local exhaust ventilation methods. The criteria for effectiveness of a system was its ability to reduce breathing zone metallic fume concentrations below the mixture threshold limit value. The following three process-base plate combinations were selected for local exhaust ventilation control studies: shielded manual metal arc welding on carbon steel, shielded manual metal arc welding on stainless steel, and gas shielded arc welding on carbon steel. A crossdraft ventilation table was designed and fabricated for use with the gas shielded process. In addition, a low volume-high velocity fume extracting welding gun was evaluated in conjunction with this process. A free-standing rectangular hood was applied to the covered electrode processes.
Keywords
Fumes; Ventilation; Welding; Environmental-engineering; Safety-engineering; Exhaust-systems; Fluoride-poisoning;
Publication Date
19730701
Funding Type
Contract;
Fiscal Year
1973
NTIS Accession No.
PB-223-113
NTIS Price
A06
Identifying No.
Contract-099-72-0076
NIOSH Division
DPSE;
Source Name
National Institute for Occupational Safety and Health
State
OH; TX;
Performing Organization
Southwest Research Institute, San Antonio, Texas
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