Concept: landfill degasification in the concept vocabulary

Concept URI	http://www.eionet.europa.eu/gemet/concept/4624
Preferred label	landfill degasification
Definition	Landfill gas is highly dangerous as methane is highly explosive; therefore it must be controlled at all operational landfill sites, whether by active or passive ventilation or both especially in the case of deep sites. There exist venting systems for shallow and deep sites respectively.
Notation
Status	Valid
Status Modified	2013-12-05
Accepted Date	2013-12-05
Not Accepted Date
Has broader	4257 (industrial process) in gemet2/concept
Is related to	9059 (waste degasification) in gemet2/concept
Has close match	http://data.uba.de/umt/_00006599
Source	PORT (Dictionary of Environmental Science and Technology - Second Edition) in gemet2/source