Date: 29/9/2001  
Weather: Sunny
Sea Condition: Moderate
Tide: Mid-Flood
 
Water Quality Monitoring Result
Location Time Depth (m) Temp. (oC) Salinity (ppt) pH D.O. Sat. (%) D.O. (mg/L) Turbidity (NTU) S.S. (mg/L) NH3-N (mg/L) TIN (mg/L)
Value DA Value DA Value DA Value DA Value DA
SR1 18:27 Surface 1 28.6 32.0 8.14 87.0 5.71 5.65 3.8 4.4 10.0 8.8 0.004 0.003 0.08 0.07
28.6 32.0 8.14 87.0 5.72 3.9
Middle 13 28.6 32.1 8.13 86.6 5.58 4.5 6.0 0.003 0.08
28.6 32.1 8.13 86.7 5.57 4.5
Bottom 25 28.5 32.1 8.11 85.1 5.44 5.46 4.7 10.4 0.002 0.06
28.6 32.1 8.10 85.3 5.47 4.8
Other Observations: Nil
SR2 18:11 Surface 1 28.7 32.1 8.14 86.1 5.56 5.55 4.8 5.4 8.2 8.1 0.001 0.002 0.06 0.07
28.7 32.2 8.14 86.1 5.57 4.7
Middle 5.5 28.6 32.2 8.12 85.8 5.52 5.5 9.4 0.002 0.07
28.6 32.2 8.11 85.9 5.54 5.6
Bottom 10 28.5 32.2 8.10 85.0 5.44 5.44 5.7 6.8 0.002 0.07
28.6 32.2 8.10 84.9 5.43 5.8
Other Observations: Nil
SR3 17:50 Surface 1 28.6 32.2 8.10 82.0 5.23 5.24 5.8 7.2 9.8 11.3 N.A. N.A. N.A. N.A.
28.6 32.2 8.10 81.8 5.22 5.9
Middle 4.5 28.6 32.2 8.09 82.4 5.25 6.9 13.6 N.A. N.A.
28.6 32.2 8.09 82.1 5.24 7.4
Bottom 7.5 28.5 32.2 8.05 81.4 5.21 5.22 8.5 10.4 N.A. N.A.
28.5 32.2 8.05 81.8 5.23 8.6
Other Observations: 2 nos. dredgers at 100 m; 1 no. rock dumping vessel at 50 m
SR4 17:37 Surface 1 28.8 32.2 8.09 83.0 5.27 5.29 3.5 5.0 7.4 14.7 0.001 0.001 0.07 0.07
28.9 32.2 8.09 82.8 5.24 3.4
Middle 4 28.6 32.2 8.09 83.3 5.32 4.9 7.2 0.001 0.06
28.6 32.2 8.09 83.3 5.32 5.2
Bottom 7 28.4 32.2 8.08 84.3 5.40 5.35 6.4 29.6 0.002 0.09
28.4 32.2 8.08 84.1 5.30 6.8
Other Observations: Nil
SR5 17:26 Surface 1 28.7 32.2 8.13 85.0 5.51 5.48 3.6 3.8 4.8 6.6 0.001 0.001 0.07 0.06
28.7 32.2 8.13 85.2 5.53 3.5
Middle 4 28.6 32.2 8.11 84.5 5.44 3.7 8.2 0.001 0.05
28.6 32.2 8.11 84.6 5.45 3.6
Bottom 7 28.5 32.3 8.09 84.2 5.42 5.43 4.2 6.8 0.001 0.05
28.5 32.3 8.09 84.4 5.44 4.3
Other Observations: Nil
SR6 17:17 Surface 1 28.6 32.2 8.13 85.4 5.47 5.45 3.8 3.8 5.8 7.1 0.001 0.001 0.04 0.05
28.6 32.2 8.12 85.7 5.49 3.8
Middle 5.5 28.5 32.2 8.12 85.0 5.43 3.9 6.4 0.001 0.05
28.5 32.2 8.12 84.9 5.42 3.9
Bottom 10 28.5 32.2 8.10 85.1 5.44 5.44 3.7 9.2 0.001 0.06
28.5 32.2 8.09 85.1 5.43 3.5
Other Observations: Nil
SR7 17:02 Surface 1 28.6 32.1 8.14 86.0 5.51 5.44 4.4 6.5 6.0 10.2 0.001 0.002 0.05 0.05
26.6 32.1 8.13 85.9 5.49 4.3
Middle 11 28.2 32.2 8.12 83.5 5.38 6.6 12.8 0.002 0.05
28.2 32.2 8.13 83.6 5.39 6.5
Bottom 20.5 28.2 32.2 8.10 83.1 5.35 5.35 8.7 11.9 0.002 0.05
28.2 32.2 8.10 83.0 5.34 8.5
Other Observations: Nil
C1 15:30 Surface 1 28.4 32.1 8.16 85.8 5.55 5.54 4.2 4.4 4.5 6.2 0.002 0.002 0.03 0.03
28.5 32.1 8.15 85.9 5.56 4.2
Middle 13 28.4 32.1 8.15 85.6 5.52 4.4 5.7 0.002 0.03
28.4 32.1 8.14 85.5 5.52 4.4
Bottom 25 28.4 32.1 8.08 85.5 5.51 5.51 4.6 8.3 0.002 0.04
28.4 32.1 8.08 85.4 5.50 4.6
Other Observations: Nil
C2 15:47 Surface 1 28.5 32.2 8.13 84.6 5.47 5.44 5.5 5.8 8.5 7.9 0.002 0.002 0.06 0.06
28.5 32.2 8.13 84.5 5.46 5.5
Middle 6.5 28.5 32.2 8.11 84.1 5.41 5.3 6.3 0.001 0.05
28.5 32.2 8.12 84.1 5.42 5.3
Bottom 12 28.4 32.2 8.10 83.4 5.36 5.37 6.6 8.9 0.002 0.06
28.4 32.2 8.09 83.6 5.37 6.6
Other Observations: Nil
C3 16:02 Surface 1 28.4 32.0 8.16 88.7 5.73 5.72 3.4 4.2 4.4 8.3 0.001 0.001 0.02 0.03
28.4 32.0 8.15 88.9 5.74 3.4
Middle 5 28.4 32.0 8.13 88.5 5.70 4.0 7.3 0.001 0.03
28.4 32.0 8.13 88.5 5.71 4.0
Bottom 8.5 28.4 32.0 8.11 88.0 5.67 5.68 5.2 13.1 0.001 0.04
28.4 32.0 8.11 88.2 5.69 5.2
Other Observations: Nil
C4 16:20 Surface 1 28.3 32.0 8.13 84.9 5.51 5.51 4.0 4.4 7.3 7.8 0.001 0.001 0.03 0.05
28.3 32.0 8.13 85.0 5.52 4.0
Middle 6.5 28.2 32.0 8.11 84.6 5.49 4.7 7.9 0.002 0.07
28.2 32.0 8.11 84.8 5.50 4.7
Bottom 12 28.2 32.0 8.10 84.4 5.44 5.44 4.6 8.3 0.001 0.06
28.2 32.0 8.10 84.3 5.43 4.6
Other Observations: Nil
C5 16:41 Surface 1 28.3 32.2 8.13 84.8 5.44 5.38 3.2 4.5 6.7 10.5 0.002 0.002 0.05 0.06
28.3 32.2 8.14 84.9 5.45 3.2
Middle 11 28.2 32.2 8.10 82.3 5.31 4.8 11.1 0.002 0.06
28.1 32.2 8.12 82.6 5.33 4.8
Bottom 21 28.1 32.2 8.09 80.7 5.20 5.21 5.6 13.7 0.002 0.06
28.1 32.2 8.10 80.9 5.22 5.6
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 29/9/2001  
Weather: Sunny
Sea Condition: Moderate
Tide: Mid-Ebb
 
Water Quality Monitoring Result
Location Time Depth (m) Temp. (oC) Salinity (ppt) pH D.O. Sat. (%) D.O. (mg/L) Turbidity (NTU) S.S. (mg/L) NH3-N (mg/L) TIN (mg/L)
Value DA Value DA Value DA Value DA Value DA
SR1 12:13 Surface 1 28.5 32.0 8.15 86.8 5.56 5.49 4.0 4.3 11.1 9.0 0.003 0.003 0.10 0.07
28.5 32.0 8.15 86.5 5.54 4.1
Middle 13 28.5 32.1 8.14 85.0 5.44 4.7 6.9 0.003 0.06
28.5 32.1 8.14 84.8 5.42 4.4
Bottom 24.5 28.6 32.1 8.11 84.6 5.40 5.40 4.0 9.1 0.002 0.05
28.6 32.1 8.12 84.4 5.40 4.3
Other Observations: Nil
SR2 11:55 Surface 1 28.6 32.2 8.13 85.7 5.47 5.47 5.4 5.6 7.9 7.7 0.002 0.002 0.05 0.06
28.6 32.2 8.14 85.6 5.46 5.3
Middle 5 28.5 32.2 8.11 85.5 5.46 6.0 7.6 0.002 0.06
28.5 32.1 8.11 85.7 5.48 5.9
Bottom 9 28.5 32.1 8.09 84.0 5.37 5.38 5.5 7.6 0.001 0.07
28.5 32.2 8.10 84.1 5.38 5.7
Other Observations: Nil
SR3 11:35 Surface 1 29.4 32.1 8.11 81.8 5.18 5.15 8.2 9.9 11.6 14.5 N.A. N.A. N.A. N.A.
29.4 32.2 8.11 82.3 5.22 8.4
Middle 4 28.8 32.2 8.10 80.0 5.10 9.8 17.0 N.A. N.A.
28.8 32.2 8.10 80.2 5.11 9.7
Bottom 7 28.5 32.2 8.07 79.5 5.08 5.09 11.4 15.0 N.A. N.A.
28.5 32.2 8.08 79.7 5.10 11.7
Other Observations: 2 nos. dredgers at 100 m; 1 no. rock dumping vessel at 50 m
SR4 11:20 Surface 1 28.9 32.2 8.10 78.1 4.98 5.12 4.8 8.9 6.6 11.9 0.002 0.002 0.09 0.07
28.9 32.1 8.10 77.8 4.95 4.7
Middle 4 28.4 32.2 8.11 82.4 5.28 3.7 12.2 0.002 0.07
28.4 32.2 8.11 82.2 5.27 3.6
Bottom 6.5 28.4 32.3 8.06 79.0 5.06 5.08 18.4 16.8 0.002 0.07
28.4 32.2 8.07 79.4 5.09 18.0
Other Observations: Nil
SR5 11:10 Surface 1 28.6 32.2 8.12 83.0 5.29 5.31 3.8 4.1 11.8 9.7 0.001 0.001 0.05 0.06
28.6 32.2 8.12 82.8 5.28 3.9
Middle 4 28.5 32.2 8.10 83.7 5.35 4.1 7.0 0.001 0.06
28.6 32.2 8.11 83.4 5.33 3.9
Bottom 6.5 28.3 32.2 8.07 83.3 5.34 5.35 4.5 10.4 0.001 0.05
28.3 32.2 8.08 83.3 5.35 4.4
Other Observations: Nil
SR6 11:00 Surface 1 28.6 32.2 8.13 85.2 5.44 5.43 4.1 3.9 8.4 5.7 0.001 0.001 0.04 0.05
28.6 32.2 8.13 85.1 5.44 4.4
Middle 5.5 28.5 32.2 8.12 84.7 5.41 4.0 4.2 0.001 0.05
28.5 32.2 8.13 84.8 5.42 3.8
Bottom 9.5 28.4 32.2 8.08 85.3 5.46 5.46 3.7 4.4 0.001 0.06
28.4 32.2 8.09 85.2 5.46 3.6
Other Observations: Nil
SR7 10:47 Surface 1 28.6 32.2 8.13 85.6 5.46 5.42 3.4 7.6 9.0 12.7 0.002 0.002 0.06 0.05
28.6 32.2 8.13 85.9 5.48 3.5
Middle 11 28.2 32.2 8.14 83.2 5.36 8.6 15.0 0.002 0.04
28.2 32.2 8.13 83.4 5.36 8.7
Bottom 20.5 28.2 32.2 8.08 84.0 5.40 5.41 10.6 14.0 0.002 0.05
28.2 32.2 8.09 84.1 5.41 10.5
Other Observations: Nil
C1 09:00 Surface 1 28.4 32.1 8.15 83.2 5.33 5.33 4.5 4.7 9.4 9.0 0.002 0.002 0.07 0.04
28.4 32.1 8.15 83.3 5.34 4.3
Middle 13 28.4 32.1 8.14 83.0 5.32 4.9 4.8 0.002 0.03
28.4 32.1 8.14 82.8 5.31 4.5
Bottom 25 28.4 32.1 8.07 83.0 5.33 5.34 5.0 12.8 0.002 0.03
28.4 32.1 8.07 83.1 5.34 4.7
Other Observations: Nil
C2 09:21 Surface 1 28.4 32.2 8.12 81.4 5.21 5.29 5.2 5.9 6.9 8.6 0.002 0.001 0.02 0.05
28.5 32.2 8.13 81.5 5.22 5.0
Middle 6.5 28.4 32.2 8.11 83.8 5.37 4.9 8.5 0.001 0.07
28.4 32.2 8.11 83.9 5.37 5.1
Bottom 12 28.4 32.2 8.09 82.3 5.27 5.29 7.7 10.5 0.001 0.06
28.4 32.2 8.09 82.7 5.30 7.3
Other Observations: Nil
C3 09:43 Surface 1 28.4 32.0 8.15 89.5 5.74 5.74 3.2 4.1 6.4 6.5 0.001 0.001 0.02 0.02
28.4 32.0 8.15 90.2 5.79 3.3
Middle 4.5 28.4 32.0 8.14 88.9 5.71 3.4 5.7 0.001 0.03
28.3 32.0 8.13 88.8 5.71 3.9
Bottom 8 28.3 32.0 8.09 87.5 5.62 5.62 5.7 7.3 0.001 0.02
28.3 32.0 8.11 87.6 5.62 5.3
Other Observations: Nil
C4 10:04 Surface 1 28.2 32.0 8.12 84.0 5.40 5.45 3.4 4.3 8.9 9.2 0.002 0.002 0.09 0.07
28.2 32.0 8.12 84.5 5.43 3.6
Middle 6.5 28.2 32.0 8.10 85.0 5.48 4.7 9.9 0.002 0.07
28.2 32.0 8.11 85.1 5.49 4.5
Bottom 11.5 28.1 32.0 8.09 84.0 5.41 5.42 5.0 8.7 0.002 0.06
28.1 32.0 8.09 84.2 5.42 4.7
Other Observations: Nil
C5 10:27 Surface 1 28.2 32.1 8.12 84.0 5.39 5.35 3.7 4.6 5.5 9.9 0.002 0.002 0.06 0.06
28.2 32.2 8.12 84.3 5.41 3.4
Middle 11 28.1 32.2 8.11 82.2 5.29 4.7 8.3 0.002 0.06
28.1 32.2 8.11 82.3 5.29 4.6
Bottom 21 28.1 32.2 8.07 80.5 5.18 5.18 5.7 15.9 0.002 0.05
28.1 32.2 8.08 80.6 5.18 5.6
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.