BS 6069-4.2:1991 Characterization of air quality - Stationary source emissions - Method for the determination of asbestos plant emissions by fibre count measurement
Applicable to flowing gas streams in ducts, chimneys or flues from asbestos industrial processes, in the range 0.05 fibre/ml to 10 fibre/ml.
BS 6069-4.2:1991 history
0000 BS 6069-4.2:1991(1999)
1991BS 6069-4.2:1991 Characterization of air quality - Stationary source emissions - Method for the determination of asbestos plant emissions by fibre count measurement