Date: 21/2/2002  
Weather: Overcast
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)
Value DA Value DA Value DA
SR1 12:41 Surface 1 18.2 32.9 7.97 96.4 7.41 6.96 1.1 3.0 6.1 6.4
18.3 32.9 7.97 97.9 7.51 1.2
Middle 13 17.8 33.1 7.90 83.6 6.48 3.7 6.1
17.8 33.0 7.90 82.8 6.42 3.4
Bottom 25 17.8 33.1 7.89 82.8 6.42 6.40 4.5 7.1
17.8 33.1 7.89 82.3 6.38 4.1
Other Observations: Nil
SR2 12:29 Surface 1 18.7 32.9 7.95 94.2 7.18 6.96 3.6 5.6 7.1 6.5
18.8 32.9 7.96 94.1 7.22 3.0
Middle 6 18.1 32.9 7.89 87.0 6.71 3.8 4.5
18.1 32.9 7.89 87.4 6.74 4.4
Bottom 11 18.0 33.1 7.85 82.0 6.33 6.30 8.8 7.9
18.0 33.1 7.87 81.2 6.27 9.9
Other Observations: Nil
SR3 12:06 Surface 1 18.2 33.2 7.96 89.2 6.86 6.82 3.1 3.4 8.1 10.4
18.2 33.2 7.96 89.3 6.87 2.9
Middle 4.5 17.9 33.2 7.94 87.0 6.73 3.7 11.9
17.9 33.2 7.95 87.9 6.80 3.4
Bottom 8 17.8 33.2 7.98 85.6 6.63 6.66 3.6 11.3
17.8 33.2 7.92 86.3 6.69 3.7
Other Observations: Nil
SR4 11:48 Surface 1 18.3 33.2 8.00 91.9 7.06 7.00 1.4 1.3 9.5 9.2
18.3 33.2 8.00 89.3 6.85 1.5
Middle 3.5 18.0 33.3 8.01 90.8 7.00 1.3 8.9
18.0 33.2 8.01 91.9 7.09 1.2
Bottom 6 17.7 33.2 7.93 83.3 6.47 6.48 1.2 9.3
17.7 33.2 7.95 83.6 6.49 1.3
Other Observations: Nil
SR5 11:36 Surface 1 17.9 33.2 7.94 91.6 7.08 7.07 3.1 2.7 5.5 5.2
17.9 33.1 7.94 91.2 7.05 2.8
Middle 4.5 17.7 33.2 7.95 91.0 7.07 1.4 4.3
17.7 33.2 7.96 91.3 7.09 1.3
Bottom 7.5 17.6 33.2 7.90 85.1 6.61 6.62 3.8 5.9
17.6 33.2 7.91 85.2 6.62 3.8
Other Observations: Nil
SR6 11:24 Surface 1 17.9 33.2 7.97 93.3 7.22 7.17 1.3 2.7 5.5 5.8
17.9 33.2 7.97 93.9 7.26 1.2
Middle 5.5 17.7 33.2 7.94 92.4 7.17 2.5 5.3
17.7 33.2 7.94 90.5 7.03 3.1
Bottom 10 17.7 33.2 7.91 87.9 6.83 6.83 4.0 6.5
17.6 33.2 7.92 87.9 6.83 4.0
Other Observations: Nil
SR7 11:13 Surface 1 17.5 33.1 7.87 86.3 6.75 6.71 5.8 6.2 8.5 8.4
17.5 33.1 7.88 86.0 6.71 5.3
Middle 11 17.5 33.1 7.87 85.2 6.66 4.6 7.3
17.5 33.1 7.88 85.9 6.70 4.0
Bottom 21 17.3 33.0 7.85 83.9 6.57 6.56 8.6 9.5
17.3 33.1 7.86 83.7 6.55 8.9
Other Observations: Nil
C1 09:25 Surface 1 17.9 32.9 7.83 95.8 7.42 7.38 1.8 1.2 7.9 9.2
17.9 32.9 7.83 96.1 7.45 1.5
Middle 13 17.8 33.0 7.83 94.3 7.32 0.6 9.5
17.8 33.0 7.84 94.5 7.33 0.6
Bottom 25 17.7 33.1 7.73 92.9 7.24 7.22 1.1 10.3
17.7 33.1 7.77 92.7 7.20 1.3
Other Observations: Nil
C2 09:39 Surface 1 17.9 32.7 7.80 89.5 6.95 6.91 2.3 2.8 9.1 7.6
17.9 32.7 7.81 89.2 6.92 2.7
Middle 6.5 17.8 32.8 7.80 88.5 6.87 2.1 6.5
17.8 32.8 7.80 88.7 6.88 2.2
Bottom 12 17.9 33.0 7.81 89.4 6.92 6.89 3.9 7.1
17.9 33.0 7.83 88.6 6.86 3.8
Other Observations: Nil
C3 10:02 Surface 1 18.0 32.6 7.81 86.0 6.66 6.61 4.7 12.7 9.3 7.9
18.0 32.6 7.82 87.2 6.74 5.2
Middle 4.5 17.8 32.9 7.83 84.4 6.55 16.4 6.5
17.7 32.9 7.83 83.6 6.49 16.5
Bottom 8 17.6 33.0 7.76 82.7 6.43 6.49 17.5 7.9
17.7 33.0 7.83 84.1 6.54 16.1
Other Observations: Nil
C4 10:23 Surface 1 18.1 33.0 7.92 92.6 7.14 6.86 5.3 11.1 9.3 8.6
18.1 33.0 7.92 92.7 7.16 4.9
Middle 6.5 17.5 33.0 7.86 84.3 6.57 13.1 7.5
17.4 33.0 7.85 84.1 6.57 13.3
Bottom 12 17.4 33.1 7.82 82.9 6.47 6.47 15.5 9.1
17.4 33.0 7.84 82.7 6.46 14.3
Other Observations: Nil
C5 10:54 Surface 1 17.3 33.0 7.85 83.6 6.54 6.55 4.0 4.1 5.9 9.2
17.3 33.0 7.85 83.8 6.56 4.1
Middle 12 17.3 33.0 7.85 83.7 6.56 4.1 13.1
17.3 33.0 7.85 83.2 6.52 4.7
Bottom 23 17.2 33.0 7.81 82.3 6.46 6.48 3.5 8.7
17.2 33.0 7.82 82.8 6.49 4.1
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 21/2/2002  
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)
Value DA Value DA Value DA
SR1 18:48 Surface 1 18.7 33.0 7.99 96.7 7.37 7.04 4.2 6.0 12.9 9.0
18.6 32.9 7.99 97.3 7.43 4.5
Middle 13 18.2 33.0 7.92 85.5 6.59 7.1 6.7
18.2 33.0 7.94 87.9 6.77 6.0
Bottom 25 17.9 33.1 7.89 80.9 6.26 6.26 6.9 7.5
17.8 33.1 7.89 80.8 6.26 7.1
Other Observations: Nil
SR2 18:35 Surface 1 18.5 32.9 7.93 90.5 6.93 6.76 3.6 5.7 8.5 8.8
18.5 32.9 7.94 91.1 6.98 4.1
Middle 6 18.0 32.9 7.89 84.4 6.52 6.6 8.5
18.0 33.0 7.89 85.2 6.59 6.4
Bottom 10.5 17.8 33.1 7.87 81.3 6.30 6.32 6.3 9.3
17.8 33.1 7.88 81.8 6.34 7.0
Other Observations: Nil
SR3 18:11 Surface 1 18.7 33.1 7.97 88.7 6.76 6.61 4.5 5.4 6.1 11.8
18.7 33.0 7.97 87.2 6.64 4.0
Middle 4 18.2 33.1 7.92 86.0 6.61 8.0 10.7
18.2 33.2 7.92 83.7 6.43 7.8
Bottom 7 17.9 33.2 7.92 83.0 6.43 6.48 4.1 18.5
17.9 33.2 7.94 84.2 6.52 3.9
Other Observations: Nil
SR4 17:54 Surface 1 18.7 33.2 8.05 95.2 7.28 7.24 1.0 1.6 15.3 10.0
18.7 33.2 8.05 94.8 7.22 1.2
Middle 3.5 18.6 33.2 8.03 95.5 7.22 1.1 6.1
18.7 33.2 8.04 95.0 7.23 1.2
Bottom 6 17.8 33.2 7.99 91.1 7.05 7.07 2.7 8.5
17.8 33.2 8.00 91.6 7.09 2.4
Other Observations: Nil
SR5 17:42 Surface 1 17.9 33.2 7.97 92.2 7.13 7.09 2.3 2.6 11.0 9.7
17.9 33.1 7.98 91.4 7.06 2.0
Middle 4.5 17.9 33.0 7.97 91.4 7.09 2.4 13.9
17.8 33.1 7.95 91.5 7.08 2.6
Bottom 8 17.7 33.2 7.94 85.6 6.65 6.71 3.0 4.3
17.7 33.2 7.96 87.2 6.77 3.0
Other Observations: Nil
SR6 17:30 Surface 1 17.8 33.1 7.94 88.1 6.83 6.75 3.0 2.9 8.1 6.6
17.8 33.1 7.94 88.7 6.87 3.2
Middle 5.5 17.6 33.1 7.92 86.9 6.73 3.1 5.3
17.6 33.1 7.91 84.7 6.58 3.5
Bottom 10 17.7 33.2 7.95 88.2 6.85 6.87 2.4 6.3
17.7 33.2 7.96 88.7 6.89 2.1
Other Observations: Nil
SR7 17:18 Surface 1 17.7 33.1 7.89 84.2 6.54 6.43 3.5 10.1 7.9 9.7
17.7 33.1 7.89 83.9 6.52 4.0
Middle 11.5 17.5 33.1 7.87 81.2 6.33 4.3 7.6
17.5 33.1 7.87 81.1 6.33 4.6
Bottom 21.5 17.5 33.1 7.87 80.3 6.26 6.26 21.6 13.7
17.5 33.1 7.87 80.1 6.26 22.6
Other Observations: Nil
C1 15:30 Surface 1 18.7 32.9 7.94 107.7 8.20 7.96 2.0 1.5 4.7 4.8
18.7 32.9 7.95 109.3 8.53 2.1
Middle 13 17.8 33.0 7.88 97.4 7.55 1.0 5.5
17.8 33.0 7.89 97.6 7.56 0.8
Bottom 24.5 17.7 33.1 7.87 95.1 7.39 7.32 1.5 4.3
17.7 33.1 7.87 93.2 7.24 1.5
Other Observations: Nil
C2 15:46 Surface 1 18.6 32.7 7.88 97.6 7.48 7.29 3.9 4.8 6.9 9.0
18.5 32.7 7.89 98.4 7.54 3.8
Middle 6.5 18.1 32.8 7.85 91.6 7.08 4.9 10.1
18.1 32.8 7.86 91.6 7.07 4.5
Bottom 12 17.9 33.0 7.83 88.5 6.84 6.85 5.8 9.9
17.9 33.0 7.85 88.3 6.85 6.1
Other Observations: Nil
C3 16:08 Surface 1 18.7 33.0 8.00 103.9 7.92 7.83 3.0 10.5 8.1 11.2
18.7 33.0 8.01 104.0 7.93 3.5
Middle 5 18.2 32.9 7.96 100.1 7.69 2.7 6.5
18.3 32.9 7.97 101.0 7.76 3.1
Bottom 9 17.6 33.0 7.83 81.7 6.34 6.30 24.0 18.9
17.6 33.0 7.84 80.2 6.25 26.7
Other Observations: Nil
C4 16:29 Surface 1 18.1 33.1 7.91 89.1 6.87 6.76 3.3 8.6 9.5 9.2
18.1 33.0 7.92 88.2 6.80 3.3
Middle 6 17.8 33.0 7.90 86.1 6.67 2.2 9.3
17.8 33.0 7.90 86.4 6.70 2.0
Bottom 11 17.2 33.0 7.82 78.5 6.17 6.14 20.1 8.9
17.2 33.0 7.83 77.8 6.11 20.8
Other Observations: Nil
C5 16:59 Surface 1 17.5 33.0 7.85 80.6 6.30 6.26 4.2 8.5 5.5 13.3
17.5 33.0 7.85 80.1 6.25 3.7
Middle 11.5 17.4 33.0 7.85 79.9 6.25 5.3 19.3
17.3 33.1 7.84 79.5 6.22 5.5
Bottom 22 17.3 33.0 7.83 78.3 6.13 6.13 16.9 15.1
17.3 33.0 7.84 78.2 6.12 15.4
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.