Workplace atmospheres. Guide for the application and use of procedures for the assessment of exposure to chemical and biological agents Ingestion-build-81111 Properties of the wearing components

Properties of the wearing components

tightness check of hollow spacer closed by welding on the back

Manufacturing engineers

National Annex NA

Workplace atmospheres. Guide for the application and use of procedures for the assessment of exposure to chemical and biological agents Ingestion-build-81111 Properties of the wearing components1 Scope This European Standard provides guidance on the selection of procedures, and the installation, use and maintenance of devices for the determination of concentrations of chemical or biological agents in workplace atmospheres. This European Standard is based on the guidance given in EN 689 and the requirements of EN 482. Where appropriate, this European Standard specifies additional requirements specific to particular procedures or devices, or