BS 4142:2014+A1:2019
Methods for rating and assessing industrial and commercial sound
https://doi.org/10.3403/30268408 (published 31/10/2014)
BS 4142:2014+A1:2019 is maintained by EH/1/3. This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS 4142:2014 [current until 24/06/2019]
- BS 4142:1997 [current until 31/10/2014]
- BS 4142:1990 [current until 15/09/1997]
- BS 4142:1967 [current until 30/11/1990]