Specfies a continuous direct reading instrumental method of determining light scattering produced by fine particles in a sample of ambient air. The light scattering coefficient determined by this Standard is an indicator of the perceived visual degradati
AS/NZS 3580.12.1:2001 history
2015AS/NZS 3580.12.1:2015 Methods for sampling and analysis of ambient air, Method 12.1: Determination of light scattering — Integrating nephelometer method
2001AS/NZS 3580.12.1:2001 Methods for sampling and analysis of ambient air - Determination of light scattering - Integrating nephelometer method