Definition(s)
Atmospheric Discharge
Release from pressure-relieving and depressuring devices to the atmosphere.
Source:API STD 521, Pressure-relieving and Depressuring Systems, Sixth Edition, January 2014. Global Standards
Atmospheric Discharge
Release of vapours and gases from pressure-relieving and depressuring devices to the atmosphere.
Source: API STD 521, Pressure-relieving and Depressuring Systems, Fifth Edition, January 2007 (Addendum May 2008). Global Standards