Natural attenuation process
Monitored Natural Attenuation (MNA): decontamination technique
Article REF: G2592 V1
Natural attenuation process
Monitored Natural Attenuation (MNA): decontamination technique

Authors : Bart Vander VELPEN, Werner STAES

Publication date: October 10, 2013 | Lire en français

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1. Natural attenuation process

Natural attenuation is defined as a set of active physical, chemical or biological processes which, under favorable conditions, act without human intervention to reduce the risk of dispersion associated with contamination. Natural attenuation in soil and groundwater takes three forms :

  • transformation of contamination ;

  • reduction in the mass or concentration...

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