Suchergebnisse

The commercially available filtering half masks designed to protect against smog do not meet the requirements for protection against aerosols (dusts, fumes), and even more so, against chemical substances found in the smog; often do not have the CE marking. The article presents legal requirements and presents the basic methods for assessment the effectiveness of such half masks, so that it is a safe for a potential user. The influence of the half mask construction on the protective and functional parameters was described. It is very important to use adequate filtering half mask with CE mark when so-called Smog is present in the atmospheric air.