E8 PHOSPHORUS CONCENTRATION (Q2) PO4-P [mg l-1] Winam Gulf, September 1985 Depth [m] Station 6 Station 31 Station 32 Station 103 0 N.D. 0.002* 0.002* 0.002 0.5 - - - 0.002 1 - 0.002* - 0.006 2 - 0.002* - 3 - 0.002* - 4 - - - 10 - - 15 0.003 0.002* 20 0.003 - 25 - - 30 0.01 * Less than given figure.