To extract welding fumes and protect the welder, at source ventilation is always the most efficient and safe way. In addition, all kinds of measures can be taken to reduce welding fumes and its risks.
Welding fumes contain oxides of the metals in the materials being welded. If not protected by personal protection equipment and proper ventilation measures, a welder and his surrounding are exposed to several health risks by the oxides of the metals.
In workplaces such as garages, bus depots and warehouses there is a lot of pollution, caused by diesel engines. The engines produce toxic gases and particulates, that can cause serious health risks and legal liability. Although it is well known that fumes are toxic and protective measures should be taken, that isn’t always done.
Two NIOSH Health Hazard Reports (HHEs) recommend that fire stations are equipped with diesel exhaust extraction systems, and to encourage regular use, even when firefighters are conducting routine running of the apparatus during equipment checks.
Welding of stainless steel is a common process, which has increasing raised concerns for the working environment. Chromium is next to nickel one of the basic alloy element of all groups of stainless steels. During the welding process, chromium is converted to its hexavalent state, Chromium (VI).
Welding, glittering sparks and graceful curling fume are inseparable. It's almost a romantic image, with hard-working welders in the middle. However, the romance evaporates quickly if you understand what welding fumes are and what its composition may be.
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