State system for ensuring the uniformity of measurements. Best available techniques. Automated measuring systems for control of harmful industrial emissions. Verification procedure
Textiles. Quantitative chemical analysis. Part 21. Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates and certain other fibres (method using cyclohexanon)
Occupational safety standards system. Personal protective means from power frequency electric fields and electrical shock. Shunting shielding personal suit. General technical requirements. Test methods