This standard describes the processes for sampling dust from a gas stream and determining the dust content of the gas. It applies to dust-gas mixtures flowing in conduits, such as chimneys, pipes, etc. . . It does not apply to ventilation and air conditioning installations, nor to clean rooms.
NBN X 44-002-1976 history
1977NBN X 44-002-1976 Cleaning equipment for air and other gases - Dust sampling in gas flows and determination of the dustcontents of the gas