Valsts valodas centra izstrādātie vides zinātņu, zemes zinātņu un fiziskās ģeogrāfijas termini

Konteksts: [..] Protection of soil, grounwater and surface water is to be achieved by the combination of a geological barrier and a bottom liner during the operational/active phase and by the combination of a geological barrier and a top liner during the passive phase [..]
Avots: Council Directive 1999/31/EC of 26 April 1999 on the landfill of waste, Annex I 3.1