E9 CHLORIDE CONCENTRATION [mg l-1]

YEAR: 1979

Station     Surface
--------------------
Harangga      8.6
Prapat        8.3
Mogang       10.1
Onan Run     10.4
Porsea       10.3
Hasingga     11.8
Tomok        11.0
Sabulan       9.2
Muara         9.6
Balige        9.5