Welding and allied processes produce airborne particles and gaseous by-products that can be harmful to our health. Knowledge of the quantity and composition of the airborne particles and gases emitted can be useful for occupational hygienists in assessing workplace exposure and in determining appropriate control measures.
Welding processes, consumables and parameters also give rise to various fume emission rates, which in turn lead to different welder exposures. Emission rate cannot be used directly to assess exposure. However, processes, consumables and welding parameters that give lower emission rates generally result in lower welder exposures than processes with higher emission rates used in the same working situation.
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The purpose of BS EN ISO 15011-4 is to specify conditions under which fume is generated for the purpose of obtaining fume emission and chemical composition data for use in health and safety applications. Clear instructions and supporting informative guidance is provided in order to ensure that the welding conditions used are selected thoughtfully according to a standardized procedure. At the same time, the need to fully report the welding conditions used in the test is emphasised, and an example is provided of how such information is to be conveyed on a fume data sheet. This part of ISO 15011 also gives information about how the data obtained can be used.
 DD CEN ISO/TS 15011-5:2006
Health and safety in welding and allied processes. Laboratory method for sampling fume and gases Identification of thermal-degradation products generated when welding or cutting through products composed wholly or partly of organic materials |
BS EN ISO 15012-1:2004
Health and safety in welding and allied processes. Requirements testing and marking of equipment for air filtration. Testing of the separation efficiency for welding fume |
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