BS 1747-5 72nd Edition, June 22, 1972
Methods for the Measurement of Air Pollution Part 5: Directional Dust Gauges
Includes all amendments and changes through Reaffirmation Notice , June 1, 2005
Published By:British Standards Institution (BSI)
Construction, installation, use for collection and measurement of atmospheric impurities, precipitated as a liquid or as fine dust.