English AGROVOC
uf
Biochemical oxygen demand
uf
Biological oxygen demand
uf
Bod (biochemical oxygen demand)
uf
Chemical oxygen demand
uf
Cod (chemical oxygen demand)
uf
Total oxygen demand
BT
Water pollution
BT
Pollution
RT
Wastewater
RT
Wastewater treatment
(Lao)
ປະລິມານທາດມົນລະພິດ
(French)
Charge polluante
(Spanish)
Carga contaminante