Popis: |
The article reveals the current issues pertaining to the improvement of control after hazardous substances contents in the welding working zone air. The welding aerosols are multicomponent and constitute a group of complex gas-aerosol mixtures,--the feature which requires a separate detection of the individual concentrations of the most hazardous components, both hard and gaseous. Data on the specific excretion of hazardous substances should be included in respective technical documentation relating to welding processes and materials. |