E5 COD [mg l-1]

YEAR: 1979

Determined by KMnO4 meth

Station      Surface
---------------------
Harangga       2.30
Prapat         2.80
Mogang         2.24
Onan Run       2.15
Porsea         2.06
Hashingg       1.30
Tomok          1.53
Sabulan        1.72
Muara          1.36
Balige         1.24