Date: 13/9/2001  
Weather: Sunny
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 17:45 Surface 1 27.4 33.0 8.19 88.0 5.89 5.73 12.6 12.1 6.3 9.2 0.001 0.001 0.16 0.13
27.4 33.1 8.19 88.1 5.89 12.8
Middle 13 27.4 32.9 8.16 85.4 5.57 10.2 8.7 0.001 0.13
27.4 32.6 8.15 85.6 5.57 10.3
Bottom 25 27.3 32.9 8.07 80.9 5.38 5.38 13.5 12.5 0.001 0.10
27.3 32.7 8.17 80.9 5.38 13.5
Other Observations: Nil
SR2 17:35 Surface 1 27.6 30.3 8.20 94.2 6.20 5.90 5.5 10.5 8.5 14.2 0.002 0.002 0.22 0.16
27.6 30.2 8.20 94.2 6.20 5.5
Middle 5.5 27.5 32.0 8.12 84.4 5.60 10.6 10.9 0.002 0.15
27.5 32.0 8.13 84.4 5.61 10.6
Bottom 10 27.4 32.3 8.05 83.7 5.55 5.55 15.3 23.1 0.002 0.12
27.4 32.3 8.05 83.7 5.55 15.3
Other Observations: Nil
SR3 17:15 Surface 1 28.0 31.6 8.26 111.5 7.29 7.23 4.4 6.3 5.3 7.4 N.A. N.A. N.A. N.A.
28.0 31.6 8.26 111.6 7.29 4.4
Middle 4 27.8 31.7 8.18 109.3 7.18 4.8 8.3 N.A. N.A.
27.8 31.7 8.19 109.3 7.17 4.6
Bottom 7 27.7 31.6 8.04 106.0 7.01 7.01 9.7 8.5 N.A. N.A.
27.7 31.7 8.05 106.1 7.01 9.7
Other Observations: 3 dredgers at app 300m
SR4 16:55 Surface 1 28.2 31.4 8.31 110.5 7.27 7.24 3.2 4.1 7.9 7.8 <0.001 0.001* 0.05 0.05
28.2 31.4 8.31 112.1 7.31 3.2
Middle 3.5 27.9 31.5 8.23 109.2 7.19 3.6 8.1 0.001 0.05
27.9 31.5 8.24 109.3 7.19 3.6
Bottom 6 27.7 31.5 8.11 107.4 7.12 7.12 5.6 7.3 <0.001 0.05
27.7 31.6 8.12 107.5 7.11 5.6
Other Observations: Nil
SR5 16:45 Surface 1 27.8 31.5 8.17 102.8 6.78 6.72 5.0 6.2 6.1 6.6 <0.001 0.001* 0.07 0.06
27.8 31.5 8.17 102.8 6.78 5.0
Middle 4 27.6 31.8 8.13 100.6 6.65 5.8 7.7 0.001 0.06
27.6 31.8 8.13 100.7 6.65 5.6
Bottom 7 27.5 32.1 8.04 96.8 6.41 6.41 8.0 5.9 0.001 0.06
27.4 32.3 8.04 96.6 6.41 8.0
Other Observations: Nil
SR6 16:30 Surface 1 27.6 32.1 8.11 92.5 6.11 6.04 5.9 8.3 6.3 11.2 <0.001 0.001* 0.05 0.06
27.6 32.1 8.12 92.7 6.11 5.8
Middle 5 27.4 32.5 8.03 90.4 5.97 8.9 11.1 0.001 0.07
27.4 32.5 8.03 90.4 5.97 8.9
Bottom 9 27.6 32.4 7.89 89.4 5.93 5.92 10.2 16.3 0.001 0.06
27.6 32.5 7.89 89.4 5.91 10.1
Other Observations: Nil
SR7 16:20 Surface 1 27.8 32.6 8.25 101.7 6.69 6.57 3.7 5.8 6.1 6.3 0.002 0.001 0.03 0.04
27.8 32.6 8.25 101.7 6.69 3.7
Middle 11 27.4 33.3 8.23 98.4 6.45 4.8 4.7 0.001 0.02
27.4 33.3 8.22 98.1 6.44 4.8
Bottom 20.5 27.4 33.1 7.94 92.9 6.10 6.11 8.7 8.1 0.001 0.06
27.4 33.1 7.96 93.2 6.11 8.8
Other Observations: Nil
C1 14:40 Surface 1 27.8 30.3 7.89 79.7 5.26 4.94 4.0 7.4 10.7 9.6 0.002 0.002* 0.26 0.21
27.8 30.2 7.88 79.7 5.26 4.0
Middle 13 27.3 32.0 7.64 69.9 4.63 5.6 7.9 0.002 0.26
27.4 32.0 7.63 69.9 4.62 5.6
Bottom 24.5 27.3 33.1 7.41 68.5 4.51 4.51 12.7 10.1 <0.001 0.10
27.3 33.3 7.41 68.5 4.51 12.7
Other Observations: Nil
C2 14:50 Surface 1 27.7 29.6 7.91 77.6 5.18 5.06 7.4 9.7 10.1 8.7 0.001 0.001 0.27 0.27
27.7 29.6 7.91 77.8 5.19 7.4
Middle 6.5 27.4 31.6 7.72 73.9 4.92 7.7 7.7 0.001 0.26
27.4 31.5 7.73 74.0 4.93 7.7
Bottom 12 27.4 31.7 7.56 72.9 4.86 4.86 13.9 8.3 0.001 0.28
27.4 31.7 7.56 72.9 4.86 13.9
Other Observations: Nil
C3 15:10 Surface 1 27.9 29.2 7.83 92.4 6.16 5.98 3.5 7.5 8.8 9.6 <0.001 0.001* 0.29 0.26
27.9 29.1 7.83 92.4 6.16 3.5
Middle 4.5 27.5 30.2 7.70 87.8 5.80 5.8 9.1 <0.001 0.25
27.5 30.2 7.71 87.8 5.80 5.8
Bottom 7.5 27.4 31.5 7.59 81.3 5.45 5.45 13.2 10.9 0.001 0.24
27.4 31.5 7.60 81.3 5.45 13.2
Other Observations: Nil
C4 15:30 Surface 1 28.3 30.9 8.01 98.0 6.39 5.95 5.4 7.0 10.1 10.2 <0.001 <0.001 0.12 0.13
28.3 30.9 8.02 98.2 6.39 5.4
Middle 6 27.4 31.9 7.73 83.5 5.50 6.7 10.1 <0.001 0.16
27.5 32.0 7.73 83.7 5.53 6.7
Bottom 11 27.3 33.6 7.61 76.1 5.01 5.01 9.0 10.3 <0.001 0.12
27.3 33.5 7.62 76.0 5.00 9.0
Other Observations: Nil
C5 16:00 Surface 1 27.7 32.0 8.14 107.9 6.91 6.88 0.7 1.2 8.9 6.6 <0.001 <0.001 0.06 0.03*
27.7 32.2 8.14 107.7 6.91 0.7
Middle 11 27.6 33.2 8.12 105.8 6.84 0.9 3.3 <0.001 0.03
27.6 33.2 8.12 105.9 6.85 0.9
Bottom 21 27.5 33.6 8.08 102.9 6.77 6.77 2.0 7.5 <0.001 <0.01
27.5 33.7 8.08 102.9 6.77 2.0
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 13/9/2001  
Weather: Sunny
Sea Condition: Calm
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 10:30 Surface 1 27.5 30.7 7.76 78.8 5.23 5.08 3.9 9.2 9.3 10.2 0.002 0.002* 0.29 0.22
27.5 30.6 7.76 78.8 5.24 3.9
Middle 13 27.4 31.8 7.76 74.0 4.92 10.0 6.3 0.003 0.28
27.4 31.4 7.76 74.0 4.92 10.0
Bottom 24.5 27.3 33.3 7.78 73.0 4.81 4.81 13.9 15.1 <0.001 0.10
27.3 33.3 7.78 72.9 4.81 13.7
Other Observations: Nil
SR2 10:15 Surface 1 27.6 29.7 7.81 88.0 5.89 5.90 3.1 3.4 13.7 9.0 <0.001 0.001* 0.22 0.26
27.6 29.7 7.81 88.0 5.89 3.1
Middle 5 27.6 29.7 7.77 88.4 5.91 3.2 6.1 0.001 0.27
27.6 29.7 7.77 88.4 5.91 3.2
Bottom 9 27.5 29.9 7.65 87.3 5.84 5.84 3.7 7.3 0.001 0.30
27.5 30.0 7.66 87.3 5.84 3.8
Other Observations: Nil
SR3 09:50 Surface 1 28.5 31.9 7.95 87.3 5.66 5.66 5.7 7.4 8.5 9.2 N.A. N.A. N.A. N.A.
28.5 31.9 7.95 87.4 5.67 5.8
Middle 4 28.1 32.2 7.89 86.6 5.65 5.3 10.1 N.A. N.A.
28.1 32.1 7.89 86.7 5.66 5.3
Bottom 6.5 27.6 32.5 7.52 84.7 5.57 5.57 11.0 9.1 N.A. N.A.
27.6 32.4 7.54 84.5 5.56 11.0
Other Observations: 3 dredgers at app 300m
SR4 09:35 Surface 1 27.6 30.3 7.82 87.9 5.70 5.67 6.2 4.8 9.7 9.0 0.001 0.001* 0.12 0.10
27.6 30.3 7.83 87.9 5.71 6.2
Middle 3.5 27.4 31.9 7.79 86.4 5.64 3.5 6.9 <0.001 0.09
27.5 31.9 7.79 86.4 5.64 3.5
Bottom 6 27.3 32.3 7.74 84.2 5.57 5.57 4.6 10.3 <0.001 0.10
27.3 32.3 7.75 84.0 5.56 4.6
Other Observations: Nil
SR5 09:20 Surface 1 27.6 31.0 7.90 90.0 5.98 6.05 1.8 1.9 5.7 7.4 <0.001 <0.001 0.11 0.10
27.6 30.9 7.90 90.0 5.98 1.8
Middle 4 27.4 31.1 7.86 91.2 6.11 1.4 8.9 <0.001 0.11
27.4 31.1 7.86 91.2 6.11 1.4
Bottom 6.5 27.2 31.3 7.72 90.2 6.00 6.00 2.4 7.5 <0.001 0.08
27.4 31.3 7.72 90.2 6.00 2.4
Other Observations: Nil
SR6 09:07 Surface 1 27.3 30.7 7.87 89.8 5.98 5.95 1.5 1.7 7.1 7.2 <0.001 <0.001 0.14 0.14
27.3 30.7 7.87 90.0 5.99 1.5
Middle 5.5 27.4 30.9 7.84 88.8 5.92 2.2 7.1 <0.001 0.15
27.4 30.7 7.84 88.9 5.92 2.2
Bottom 9.5 27.3 31.0 7.69 88.1 5.88 5.88 1.5 7.5 <0.001 0.12
27.3 31.2 7.70 88.2 5.88 1.5
Other Observations: Nil
SR7 08:50 Surface 1 27.7 31.0 7.95 87.3 5.77 5.86 1.5 2.4 6.5 5.6 0.001 0.001 0.13 0.10
27.7 30.0 7.95 87.1 5.77 1.5
Middle 10.5 27.4 31.9 7.92 89.8 5.94 1.4 4.1 0.001 0.09
27.4 31.9 7.93 89.7 5.95 1.4
Bottom 20 27.4 31.7 7.86 89.5 5.91 5.92 4.4 6.1 0.001 0.08
27.4 31.9 7.86 89.5 5.92 4.4
Other Observations: Nil
C1 07:05 Surface 1 26.8 32.9 7.92 76.7 5.18 5.26 2.5 3.3 10.9 9.8 0.002 0.001 0.24 0.17
26.8 32.9 7.92 76.6 5.16 2.5
Middle 13 26.9 31.9 7.94 80.3 5.34 3.3 6.9 0.001 0.14
26.9 32.0 7.94 80.6 5.36 3.4
Bottom 24.5 26.8 32.6 7.88 78.1 5.20 5.20 4.0 11.7 0.001 0.13
26.8 32.6 7.88 78.1 5.20 4.0
Other Observations: Nil
C2 07:20 Surface 1 27.3 29.9 7.89 77.3 5.17 5.07 3.3 7.5 7.8 10.2 0.001 0.001 0.31 0.26
27.3 29.9 7.89 77.3 5.17 3.3
Middle 7 27.4 30.6 7.86 74.3 4.96 4.0 6.6 0.001 0.25
27.4 30.5 7.87 74.7 4.97 4.0
Bottom 12.5 27.3 31.8 7.74 63.5 4.21 4.31 15.3 16.2 0.001 0.22
27.3 31.8 7.74 63.5 4.40 15.2
Other Observations: Nil
C3 07:45 Surface 1 27.5 29.9 8.03 93.4 6.19 5.69 6.4 6.7 11.5 10.3 0.001 0.001* 0.19 0.19
27.5 29.9 8.04 93.5 6.19 6.4
Middle 4.5 27.5 31.0 7.99 78.2 5.18 5.3 10.6 0.001 0.24
27.5 31.0 7.99 78.2 5.18 5.2
Bottom 8 27.8 31.5 7.82 76.7 5.02 5.02 8.4 8.8 <0.001 0.14
27.8 31.5 7.84 76.7 5.02 8.4
Other Observations: Nil
C4 08:00 Surface 1 27.3 30.4 7.94 83.3 5.57 5.54 3.8 4.5 9.6 9.5 0.001 0.001* 0.24 0.18
27.3 29.9 7.94 83.3 5.57 3.8
Middle 6.5 27.3 32.4 7.96 82.2 5.51 4.3 9.2 <0.001 0.18
27.3 32.3 7.95 82.3 5.51 4.3
Bottom 12 27.3 33.1 7.69 76.9 5.09 5.09 5.4 9.8 0.001 0.13
27.3 33.1 7.69 76.9 5.09 5.3
Other Observations: Nil
C5 08:30 Surface 1 27.4 31.5 8.05 90.3 6.01 6.23 0.7 1.7 6.0 5.0 0.001 0.001* 0.13 0.06*
27.4 31.4 8.05 90.3 6.01 0.7
Middle 11.5 27.5 33.0 8.10 98.0 6.44 1.1 3.8 0.001 0.05
27.5 33.0 8.10 98.0 6.44 1.1
Bottom 21.5 27.5 32.9 7.83 98.5 6.45 6.46 3.2 5.2 <0.001 <0.01
27.5 33.0 7.83 98.5 6.46 3.2
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.