Normas ISO

Plastics -- Polystyrene (PS) moulding and extrusion materials-- Part 1: Designation system and basis for specifications

Water quality -- Determination of the genotoxicity of water and waste water using the umu-test

Oxygen concentrators for medical use -- Safety requirements

Humidifiers for medical use -- General requirements for humidification systems

Paints and varnishes -- Determination of reflection haze on paint films at 20 degrees

Natural gas -- Quality designation