Date: 28/5/2001  
Weather: Cloudy
Sea Condition: Calm
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 11:10 Surface 1 27.2 29.1 8.14 83.1 5.60 5.60 5.9 14.9 7.4 22.8 0.003 0.003 0.38 0.29
27.2 29.1 8.14 83.4 5.62 5.4
Middle 13.5 27.0 29.8 8.15 82.7 5.58 6.5 5.8 0.001 0.14
27.1 29.7 8.15 82.6 5.58 5.6
Bottom 26 24.9 33.9 7.98 55.7 3.80 3.80 32.9 55.2 0.006 0.34
24.9 33.8 7.98 55.7 3.80 33.0
Other Observations: Vessel just passed the sampling location
SR2 10:59 Surface 1 27.3 28.9 8.13 87.8 5.89 5.73 3.2 7.5 4.6 8.7 0.002 0.001 0.38 0.29
27.4 28.8 8.12 88.5 5.96 3.1
Middle 6 27.1 30.5 8.13 81.0 5.44 7.5 14.2 0.001 0.31
27.1 30.4 8.13 83.6 5.61 7.1
Bottom 10.5 25.6 33.6 8.04 68.0 4.60 4.57 12.2 7.2 0.001 0.19
25.4 33.8 8.02 66.5 4.53 11.8
Other Observations: Nil
SR3 10:29 Surface 1 27.2 29.2 8.22 95.9 6.47 6.38 2.1 2.4 9.8 8.5 N.A. N.A. N.A. N.A.
27.2 29.1 8.22 94.2 6.49 2.0
Middle 5 27.1 29.4 8.21 91.9 6.20 2.1 5.8 N.A. N.A.
27.1 29.4 8.22 94.1 6.36 1.9
Bottom 8.5 27.1 29.8 8.20 90.2 6.07 6.08 3.2 9.8 N.A. N.A.
27.1 30.0 8.21 90.3 6.08 3.1
Other Observations: 3 Nos. of dredgers
SR4 10:04 Surface 1 27.1 29.0 8.23 97.8 6.60 6.56 1.4 2.6 6.6 7.5 0.001 0.001 0.29 0.31
27.1 29.0 8.22 97.3 6.57 1.4
Middle 4 27.1 29.4 8.23 96.2 6.50 2.0 7.4 0.001 0.30
27.1 29.2 8.23 97.5 6.58 1.9
Bottom 6.5 27.1 29.9 8.21 92.1 6.20 6.20 4.4 8.6 0.001 0.35
27.1 29.8 8.22 92.0 6.19 4.3
Other Observations: Nil
SR5 09:52 Surface 1 27.0 29.6 8.23 90.8 6.13 6.13 2.1 2.3 6.8 9.1 0.001 0.001 0.28 0.28
27.0 29.6 8.24 93.2 6.30 2.0
Middle 4.5 27.0 29.7 8.22 89.1 6.01 2.1 6.4 0.001 0.28
27.0 29.7 8.22 89.9 6.07 2.2
Bottom 7.5 27.0 30.0 8.21 88.2 5.90 5.91 2.7 14.2 0.001 0.28
27.0 30.0 8.21 87.9 5.91 2.4
Other Observations: Nil
SR6 09:39 Surface 1 27.0 29.6 8.28 92.3 6.24 6.18 1.7 3.9 7.6 7.1 0.001 0.001 0.27 0.29
27.0 29.1 8.28 96.1 6.49 1.5
Middle 5.5 27.0 30.1 8.23 89.0 6.00 2.6 5.6 0.001 0.28
27.0 30.0 8.23 88.8 5.98 2.8
Bottom 10 27.0 30.8 8.24 90.0 6.05 6.03 7.3 8.2 0.002 0.33
27.0 30.8 8.25 89.4 6.00 7.3
Other Observations: Nil
SR7 09:23 Surface 1 26.9 29.7 8.26 95.7 6.46 6.28 1.5 5.4 6.8 6.6 0.002 0.001* 0.28 0.21
26.9 29.6 8.26 94.0 6.35 1.4
Middle 11 26.7 32.1 8.34 89.4 5.99 1.5 5.2 <0.001 0.06
26.5 32.4 8.31 94.5 6.33 1.2
Bottom 21 24.8 34.0 8.03 54.3 3.71 3.58 13.2 7.7 <0.001 0.28
24.7 33.9 8.02 50.4 3.45 13.4
Other Observations: Nil
C1 07:35 Surface 1 26.7 29.4 8.23 84.9 5.76 5.60 9.0 10.4 6.3 8.5 0.003 0.002* 0.32 0.22
26.7 29.5 8.22 84.8 5.76 9.0
Middle 13.5 26.6 31.6 8.26 78.9 5.31 6.8 8.5 0.002 0.18
26.6 31.6 8.27 82.6 5.55 6.8
Bottom 26 25.2 33.4 8.11 65.9 4.49 4.41 15.5 10.7 <0.001 0.16
25.2 33.4 8.11 63.5 4.33 15.5
Other Observations: Nil
C2 07:50 Surface 1 26.7 28.7 8.16 80.8 5.45 5.45 2.6 6.1 4.5 8.3 0.005 0.004 0.43 0.32
26.7 28.6 8.15 78.0 5.32 2.6
Middle 6.5 26.9 30.2 8.22 81.5 5.50 4.3 12.5 0.004 0.28
26.9 30.1 8.22 82.1 5.54 4.3
Bottom 11.5 26.7 31.2 8.23 80.8 5.43 5.43 11.3 7.9 0.003 0.25
26.7 31.4 8.24 80.7 5.42 11.3
Other Observations: Nil
C3 08:12 Surface 1 26.8 27.9 8.13 73.7 5.03 5.16 4.8 4.3 7.7 7.8 0.005 0.004 0.53 0.46
26.8 27.9 8.13 74.3 5.08 4.8
Middle 4.5 27.0 28.3 8.13 79.6 5.41 4.6 7.5 0.005 0.51
26.9 28.5 8.13 75.3 5.13 4.6
Bottom 8 27.7 29.4 8.16 82.0 5.49 5.58 3.4 8.3 0.002 0.34
27.9 29.4 8.20 85.0 5.66 3.4
Other Observations: Nil
C4 08:32 Surface 1 26.9 28.9 8.17 82.6 5.60 5.73 3.5 2.6 8.9 11.4 0.004 0.004 0.42 0.40
26.9 28.9 8.17 82.0 5.57 3.5
Middle 7 26.9 30.4 8.23 88.6 5.97 3.0 13.3 0.005 0.42
26.9 30.5 8.24 85.7 5.77 3.0
Bottom 13 26.7 32.2 8.29 90.9 6.08 6.15 1.3 11.9 0.003 0.36
26.7 32.0 8.30 93.0 6.22 1.3
Other Observations: Nil
C5 09:09 Surface 1 27.2 30.9 8.38 106.5 7.12 7.28 1.2 1.0 7.5 7.0 0.001 0.001* 0.13 0.08
27.1 30.6 8.37 104.7 7.01 1.2
Middle 11.5 27.5 32.2 8.44 113.2 7.44 1.0 6.7 <0.001 0.06
27.5 32.2 8.44 114.3 7.54 1.0
Bottom 22 26.7 32.1 8.33 103.3 5.85 6.24 0.8 6.9 <0.001 0.04
27.0 31.9 8.38 99.2 6.62 0.8
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 28/5/2001  
Weather: Sunny
Sea Condition: Windy
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 18:35 Surface 1 27.1 29.7 8.13 81.7 5.50 5.44 4.8 9.1 14.5 10.6 0.005 0.005 0.42 0.38
27.1 29.6 8.13 82.2 5.54 4.1
Middle 12.5 27.1 30.7 8.11 79.6 5.33 9.8 7.3 0.006 0.39
27.1 30.4 8.11 80.1 5.37 8.6
Bottom 23.5 26.7 31.2 8.12 76.9 5.17 5.18 13.9 9.9 0.005 0.34
26.7 31.0 8.13 77.2 5.19 13.6
Other Observations: Nil
SR2 18:19 Surface 1 27.2 29.0 8.13 84.4 5.70 5.63 3.7 4.6 8.3 9.8 0.003 0.003 0.39 0.37
27.2 28.9 8.14 85.0 5.75 4.2
Middle 5 27.3 29.7 8.09 81.9 5.50 2.3 9.2 0.003 0.40
27.3 29.6 8.10 82.5 5.55 2.2
Bottom 9 27.0 30.4 8.10 80.4 5.41 5.39 7.5 12.0 0.004 0.31
27.0 30.5 8.12 79.8 5.36 7.9
Other Observations: Nil
SR3 17:48 Surface 1 28.3 30.3 8.30 103.9 6.86 6.69 4.7 7.2 12.0 10.8 N.A. N.A. N.A. N.A.
28.1 30.1 8.31 106.3 7.03 4.2
Middle 3.5 28.2 31.3 8.27 97.5 6.37 7.9 6.8 N.A. N.A.
28.5 31.3 8.28 99.6 6.50 8.0
Bottom 6 27.7 31.3 8.23 93.9 6.20 6.21 9.6 13.6 N.A. N.A.
27.6 31.5 8.24 94.0 6.22 8.9
Other Observations: 3 Nos. of dredgers
SR4 17:23 Surface 1 27.4 30.5 8.28 98.4 6.56 6.71 8.3 6.4 7.4 10.0 0.001 0.001* 0.20 0.16
27.5 30.4 8.29 100.2 6.68 7.8
Middle 4 27.2 31.5 8.34 102.8 6.85 6.1 13.8 0.001 0.21
27.1 31.4 8.33 100.9 6.74 5.1
Bottom 6.5 27.1 31.8 8.31 100.2 6.66 6.70 5.1 8.8 <0.001 0.07
27.2 31.9 8.34 101.5 6.74 6.0
Other Observations: Nil
SR5 17:12 Surface 1 27.4 30.5 8.36 113.2 7.55 7.42 5.4 6.9 9.6 12.1 0.001 0.001* 0.20 0.18
27.4 30.5 8.36 113.6 7.58 5.7
Middle 4 27.4 30.8 8.34 108.2 7.21 4.8 12.8 <0.001 0.17
27.4 30.8 8.34 110.2 7.35 5.1
Bottom 6.5 27.3 31.3 8.29 99.9 6.65 6.71 11.4 13.8 0.001 0.16
27.3 31.3 8.31 101.6 6.76 9.2
Other Observations: Nil
SR6 17:00 Surface 1 27.5 30.7 8.39 116.3 7.74 7.66 2.5 2.3 11.2 11.6 <0.001 0.001* 0.13 0.11
27.5 30.8 8.39 116.5 7.76 2.5
Middle 9.5 27.5 31.0 8.38 113.8 7.57 2.8 8.4 0.001 0.12
27.4 30.8 8.37 113.7 7.58 2.8
Bottom 17.5 27.5 31.7 8.37 110.4 7.30 7.36 1.8 15.2 0.001 0.08
27.5 31.7 8.40 112.5 7.42 1.6
Other Observations: Nil
SR7 16:43 Surface 1 27.4 30.3 8.35 114.5 7.66 7.13 2.2 4.2 8.6 8.5 0.001 0.001* 0.16 0.10
27.4 30.3 8.36 115.3 7.71 1.8
Middle 11 27.1 32.2 8.31 99.1 6.62 2.8 6.0 <0.001 0.07
27.1 32.0 8.32 97.5 6.51 2.9
Bottom 21 27.0 32.1 8.31 97.7 6.49 6.67 7.1 11.0 0.001 0.06
27.3 32.0 8.35 103.1 6.84 8.2
Other Observations: Nil
C1 14:52 Surface 1 27.2 29.5 8.07 87.2 5.87 6.07 3.8 5.5 9.6 12.3 0.002 0.001 0.34 0.26
27.2 29.4 8.05 84.7 5.70 3.5
Middle 13.5 27.1 31.4 8.12 94.3 6.30 5.2 16.2 0.001 0.21
27.1 31.2 8.13 95.8 6.40 5.0
Bottom 25.5 25.4 33.7 7.96 68.4 4.64 4.59 8.0 11.2 0.001 0.24
25.3 33.6 7.94 66.8 4.53 7.2
Other Observations: Nil
C2 15:09 Surface 1 27.0 28.7 8.01 78.7 5.34 5.31 5.4 7.2 13.0 10.4 0.003 0.003 0.45 0.43
27.1 28.6 8.02 79.5 5.39 4.4
Middle 7 26.9 29.5 8.03 78.1 5.28 6.7 8.2 0.003 0.45
26.9 29.5 8.02 77.4 5.23 6.7
Bottom 12.5 27.1 30.8 8.09 82.0 5.49 5.51 10.2 10.0 0.003 0.39
27.1 30.9 8.10 82.6 5.53 10.0
Other Observations: Nil
C3 15:32 Surface 1 27.5 28.9 8.15 99.7 6.71 6.60 3.3 5.6 13.2 11.9 0.001 0.001 0.38 0.34
27.5 28.9 8.15 100.7 6.77 3.2
Middle 5 27.3 29.7 8.16 96.2 6.45 6.0 11.8 0.001 0.35
27.4 29.3 8.14 96.6 6.48 5.7
Bottom 8.5 27.0 31.3 8.18 92.7 6.19 6.24 8.1 10.6 0.002 0.30
27.0 31.6 8.22 94.1 6.28 7.0
Other Observations: Nil
C4 15:51 Surface 1 27.4 29.1 8.20 99.3 6.67 6.16 3.0 2.8 8.4 8.0 <0.001 0.001* 0.31 0.32
27.5 29.1 8.21 102.1 6.86 2.9
Middle 6.5 26.9 30.1 8.13 82.4 5.56 3.0 9.4 <0.001 0.31
26.9 30.1 8.12 82.3 5.54 3.2
Bottom 12 27.0 30.9 8.15 83.4 5.58 5.62 2.3 6.2 0.002 0.34
27.0 31.1 8.17 84.2 5.65 2.2
Other Observations: Nil
C5 16:20 Surface 1 27.5 31.2 8.43 110.1 7.30 7.27 1.2 1.1 9.4 8.4 <0.001 <0.001 0.04 0.05
27.6 31.1 8.44 110.3 7.31 1.3
Middle 11.5 27.3 31.4 8.39 108.6 7.22 1.0 8.4 <0.001 0.04
27.3 31.5 8.39 109.1 7.25 1.0
Bottom 21.5 26.2 32.0 8.18 109.7 6.79 6.70 1.1 7.4 <0.001 0.06
26.9 31.6 8.28 99.1 6.61 1.1
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.