Definition(s)
dB(A)
Decibels – a measure of noise level.
Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
Decibels – a measure of noise level.
Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards