Definition(s)
Ventilation, Local Artificial
Movement of air and its replacement with fresh air by artificial means (usually extraction) applied to a particular source of release or local area. (IEC 60079-10)
API RP 500, Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Division 1 and Division 2, Third Edition, December 2012, Global Standards