atténuation naturelle contrôlée

CONT: L'atténuation naturelle contrôlée est un mode de gestion de sites pollués qui consiste à surveiller la dépollution des eaux souterraines par des processus naturels (dispersion, dilution, adsorption, biodégradation, ...). Elle s'applique aux polluants organiques [...]

CONT: The term ""monitored natural attenuation"" (MNA) refers to the reliance on natural attenuation processes (within the context of a carefully controlled and monitored site cleanup approach) to achieve site-specific remediation objectives ... MNA is often dubbed ""passive"" remediation because natural attenuation processes occur without human intervention to a varying degree at all sites.