Impact Water Quality Monitoring Results at IS(Mf)16 - Mid-Ebb Tide Impact Water Quality Monitoring Results at IS(Mf)16 - Mid-Flood Tide
Date Weather Sea Sampling Water  Sampling Temperature (oC) pH Salinity (ppt) DO Saturation (%) Dissolved Oxygen (mg/L) Turbidity(NTU) Suspended Solids (mg/L) Date Weather Sea Sampling Water  Sampling Temperature (oC) pH Salinity (ppt) DO Saturation (%) Dissolved Oxygen (mg/L) Turbidity(NTU) Suspended Solids (mg/L)
   Condition  Condition** Time Depth (m) Depth (m) Value Average Value Average Value Average Value Average Value Average DA* Value Average DA* Value Average DA*    Condition  Condition** Time Depth (m) Depth (m) Value Average Value Average Value Average Value Average Value Average DA* Value Average DA* Value Average DA*
2-May-12 Cloudy Moderate 10:10 7 Surface 1 26.8 26.6 8.1 8.1 12.4 12.6 102.0 99.2 7.6 7.4 7.4 2.6 2.6 4.0 2.7 2.6 2.7 2-May-12 Fine Moderate 15:34 6 Surface 1 27.4 27.1 8.3 8.2 13.6 13.7 105.4 102.4 7.7 7.5 7.6 1.6 1.6 1.9 2.5 2.5 2.4
      26.3 8.2 12.8 96.4 7.2 2.6 2.5       26.9 8.2 13.8 99.4 7.3 1.6 2.4
      Middle 4 26.3 26.3 8.1 8.1 14.7 14.8 101.6 99.8 7.6 7.4 3.7 3.8 3.0 2.8       Middle 3 26.0 26.3 8.2 8.2 17.0 17.1 108.2 105.2 8.0 7.7 1.6 1.6 1.8 1.8
      26.4 8.1 14.9 97.9 7.3 3.8 2.6       26.5 8.2 17.2 102.1 7.5 1.6 1.8
      Bottom 6 24.9 25.1 8.1 8.1 22.4 22.3 96.2 96.0 7.0 7.0 7.0 5.7 5.7 2.2 2.7       Bottom 5 25.3 25.5 8.1 8.1 20.6 20.3 96.6 99.8 7.1 7.3 7.3 2.5 2.6 3.0 2.9
        25.3 8.1 22.2 95.7 6.9 5.6 3.1         25.7 8.1 20.1 103.0 7.5 2.6 2.8
4-May-12 Sunny Moderate 11:26 6 Surface 1 27.6 27.7 8.3 8.3 15.2 15.2 110.0 110.4 8.0 8.0 7.7 1.3 1.4 2.0 2.1 2.2 1.8 4-May-12 Cloudy Moderate 18:05 6 Surface 1 27.5 27.5 8.2 8.3 14.9 14.9 99.7 100.1 7.3 7.3 6.9 3.4 3.3 7.3 3.6 3.1 3.3
      27.7 8.3 15.2 110.8 8.0 1.4 2.3       27.5 8.3 14.9 100.5 7.3 3.1 2.6
      Middle 3 26.6 26.6 8.2 8.2 17.2 17.3 100.6 101.6 7.3 7.4 2.1 2.1 1.7 1.6       Middle 3 25.9 25.8 8.2 8.2 20.0 20.0 89.9 89.8 6.5 6.5 8.1 8.1 3.1 3.0
      26.6 8.2 17.3 102.5 7.5 2.1 1.4       25.8 8.2 20.0 89.7 6.5 8.0 2.9
      Bottom 5 25.8 25.8 8.2 8.2 20.7 20.7 97.0 97.3 7.0 7.0 7.0 2.3 2.4 1.4 1.6       Bottom 5 25.4 25.4 8.1 8.1 22.7 22.8 89.0 89.1 6.4 6.4 6.4 10.4 10.5 3.5 3.9
        25.8 8.2 20.7 97.5 7.1 2.4 1.8         25.3 8.1 22.8 89.1 6.4 10.5 4.3
7-May-12 Sunny Moderate 13:46 7 Surface 1 26.7 26.7 8.2 8.2 17.9 17.9 94.5 93.8 6.9 6.8 6.6 1.9 2.0 3.3 3.5 3.7 4.0 7-May-12 Sunny Moderate 07:15 7 Surface 1 26.2 26.2 8.1 8.1 17.0 17.0 83.8 84.0 6.2 6.2 6.2 3.4 3.5 6.2 3.9 3.0 9.4
      26.7 8.2 17.9 93.1 6.8 2.1 3.9       26.2 8.1 17.0 84.1 6.2 3.6 2.1
      Middle 4 26.3 26.3 8.2 8.2 18.9 18.9 87.7 87.3 6.4 6.3 3.2 3.4 2.2 2.7       Middle 4 26.1 26.1 8.1 8.1 18.6 18.6 84.0 84.0 6.1 6.1 4.7 4.7 3.6 3.5
      26.3 8.2 18.9 86.9 6.3 3.5 3.2       26.1 8.1 18.6 83.9 6.1 4.6 3.4
      Bottom 6 25.3 25.3 8.2 8.2 24.1 24.1 85.4 85.6 6.1 6.1 6.1 4.6 4.6 5.3 5.6       Bottom 6 25.7 25.7 8.1 8.1 21.6 21.6 83.9 84.0 6.1 6.1 6.1 10.3 10.3 21.4 21.7
        25.3 8.2 24.0 85.7 6.1 4.5 5.9         25.7 8.1 21.6 84.1 6.1 10.2 22.0
9-May-12 Sunny Moderate 15:08 7 Surface 1 27.4 27.4 8.3 8.3 17.6 17.5 106.0 106.1 7.6 7.6 7.6 1.5 1.5 1.6 5.1 5.3 4.8 9-May-12 Sunny Moderate 08:38 7 Surface 1 27.1 27.0 8.0 8.0 14.3 14.6 85.6 85.7 6.3 6.3 6.3 1.3 1.4 1.6 3.6 4.0 3.3
      27.5 8.3 17.3 106.2 7.6 1.4 5.5       27.0 8.0 15.0 85.8 6.3 1.5 4.3
      Middle 4 27.2 27.2 8.3 8.3 18.1 18.2 104.9 104.2 7.5 7.5 1.4 1.4 4.0 3.5       Middle 4 26.6 26.6 8.1 8.1 18.9 18.9 86.0 86.4 6.2 6.2 1.5 1.5 3.4 2.8
      27.2 8.3 18.3 103.5 7.4 1.3 3.0       26.6 8.1 19.0 86.8 6.3 1.5 2.2
      Bottom 6 27.1 27.1 8.2 8.2 19.0 19.2 102.9 104.2 7.4 7.4 7.4 1.8 1.9 6.1 5.6       Bottom 6 26.3 26.3 8.1 8.1 20.9 21.0 85.2 86.3 6.1 6.2 6.2 1.7 1.8 3.2 3.0
      27.1 8.2 19.3 105.4 7.5 1.9 5.0         26.3 8.1 21.0 87.3 6.3 1.8 2.8
11-May-12 Sunny Moderate 16:10 7 Surface 1 28.0 28.0 8.5 8.5 17.3 17.3 131.1 132.4 9.3 9.4 8.5 2.4 2.3 2.8 1.3 0.9 1.2 11-May-12 Cloudy Moderate 10:19 7 Surface 1 27.6 27.6 8.2 8.2 15.6 15.9 104.0 103.7 7.5 7.5 7.1 2.0 2.1 2.8 <0.5 <0.5 0.8
      28.0 8.5 17.3 133.7 9.5 2.2 <0.5       27.5 8.2 16.1 103.4 7.5 2.1 <0.5
      Middle 4 26.8 26.8 8.3 8.3 21.8 22.0 107.3 106.8 7.6 7.6 1.7 1.8 1.6 1.4       Middle 4 26.6 26.6 8.2 8.2 21.4 21.4 93.8 93.8 6.7 6.7 2.6 2.5 1.6 1.1
      26.7 8.3 22.2 106.3 7.5 1.9 1.1       26.6 8.2 21.4 93.8 6.7 2.4 <0.5
      Bottom 6 25.8 25.8 8.2 8.2 25.2 25.2 96.7 98.0 6.8 6.9 6.9 4.3 4.2 1.9 1.2       Bottom 6 26.0 26.0 8.2 8.2 24.2 24.5 90.7 90.5 6.4 6.4 6.4 3.9 3.8 1.0 0.8
        25.8 8.2 25.2 99.2 7.0 4.1 <0.5         25.9 8.2 24.8 90.3 6.4 3.7 <0.5
14-May-12 Sunny Moderate 09:41 7 Surface 1 27.3 27.3 8.4 8.4 18.6 18.6 113.7 113.2 8.1 8.1 7.6 2.1 2.1 3.0 2.1 2.8 3.3 14-May-12 Sunny Moderate 14:12 7 Surface 1 27.7 27.8 8.5 8.6 18.4 18.0 132.7 133.0 9.4 9.4 8.6 2.3 2.4 4.0 2.7 3.5 3.1
      27.3 8.4 18.7 112.7 8.1 2.1 3.4       28.0 8.6 17.6 133.2 9.5 2.5 4.3
      Middle 4 26.8 26.8 8.3 8.3 21.7 21.5 99.0 99.3 7.0 7.0 2.6 2.6 3.7 3.4       Middle 4 27.1 27.1 8.4 8.4 20.4 20.4 107.6 108.8 7.6 7.7 3.0 3.1 2.8 3.1
      26.8 8.3 21.2 99.6 7.1 2.5 3.0       27.1 8.4 20.4 109.9 7.8 3.2 3.3
      Bottom 6 26.4 26.3 8.3 8.3 23.3 23.3 91.6 92.9 6.5 6.6 6.6 4.4 4.3 2.9 3.8       Bottom 6 26.2 26.2 8.2 8.2 24.1 24.1 82.2 80.7 5.8 5.7 5.7 6.2 6.5 2.7 2.6
      26.3 8.3 23.4 94.1 6.7 4.2 4.6         26.2 8.2 24.1 79.1 5.6 6.7 2.4
16-May-12 Rainy Moderate 11:16 7 Surface 1 28.0 28.0 8.5 8.5 16.2 16.2 121.0 120.2 8.7 8.6 7.6 2.2 2.2 3.2 3.1 4.2 3.6 16-May-12 Cloudy Moderate 16:13 7 Surface 1 27.8 27.8 8.5 8.5 18.4 18.6 109.2 112.3 7.7 8.0 7.0 2.9 2.8 5.0 3.8 3.3 4.7
      28.0 8.5 16.2 119.4 8.5 2.2 5.2       27.8 8.4 18.8 115.3 8.2 2.6 2.7
      Middle 4 26.8 26.8 8.3 8.3 22.4 22.4 90.9 91.5 6.4 6.5 2.5 2.6 4.3 3.8       Middle 4 26.7 26.8 8.2 8.2 22.9 22.7 81.6 83.6 5.8 5.9 4.2 4.2 5.7 5.1
      26.8 8.3 22.4 92.1 6.5 2.7 3.3       26.8 8.3 22.5 85.6 6.0 4.1 4.4
      Bottom 6 26.3 26.3 8.2 8.2 25.0 24.9 84.4 83.5 5.9 5.9 5.9 4.5 4.7 2.5 2.8       Bottom 6 26.3 26.3 8.1 8.1 24.9 24.9 73.2 72.4 5.2 5.1 5.1 7.7 8.0 6.0 5.7
        26.3 8.2 24.8 82.6 5.8 4.9 3.1       26.3 8.1 24.9 71.5 5.0 8.3 5.3
18-May-12 # - - - - Surface - - - - - - - - - - - - - - - - - - 18-May-12 Rainy Moderate 17:40 6 Surface 1 26.9 27.0 8.2 8.2 19.9 19.8 102.0 93.0 7.3 6.6 6.4 1.9 2.0 4.1 3.4 3.4 5.5
      - - - - - - -       27.0 8.3 19.7 84.0 6.0 2.1 3.3
      Middle - - - - - - - - - - - - - - -       Middle 3 27.0 26.9 8.2 8.2 22.4 22.6 84.8 87.5 6.0 6.2 3.8 3.8 4.2 4.0
      - - - - - - -       26.9 8.2 22.7 90.2 6.4 3.7 3.8
      Bottom - - - - - - - - - - - - - - - -       Bottom 5 26.8 26.8 8.2 8.2 23.0 22.9 75.7 80.3 5.3 5.6 5.6 6.5 6.4 9.3 9.2
        - - - - - - -         26.8 8.2 22.8 84.9 6.0 6.3 9.1
21-May-12 Sunny Moderate 13:03 8 Surface 1 27.1 27.1 8.2 8.2 21.4 21.3 79.5 79.8 5.6 5.6 5.4 4.7 4.6 6.6 6.0 4.9 5.8 21-May-12 Sunny Moderate 19:50 8 Surface 1 27.0 27.0 8.2 8.2 21.6 21.6 83.3 83.8 5.9 5.9 5.7 3.3 3.2 5.1 3.7 3.8 4.7
      27.1 8.2 21.2 80.0 5.7 4.4 3.7       27.0 8.2 21.6 84.2 6.0 3.1 3.9
      Middle 4 26.7 26.6 8.2 8.2 23.4 23.7 73.7 72.9 5.2 5.1 6.6 6.7 6.6 5.6       Middle 4 26.9 26.9 8.2 8.2 23.1 23.1 77.5 77.8 5.4 5.5 5.8 5.9 3.1 4.1
      26.6 8.2 23.9 72.0 5.1 6.8 4.6       26.9 8.2 23.2 78.0 5.5 5.9 5.0
      Bottom 7 26.3 26.3 8.2 8.2 25.4 25.5 72.1 73.6 5.1 5.2 5.2 8.5 8.4 8.1 6.9       Bottom 7 26.7 26.7 8.2 8.2 23.8 23.7 74.9 74.4 5.3 5.2 5.2 6.2 6.3 5.8 6.1
        26.2 8.2 25.5 75.0 5.3 8.2 5.7         26.7 8.2 23.6 73.8 5.2 6.4 6.3
23-May-12 Sunny Rough 13:51 7 Surface 1 26.7 26.7 8.2 8.2 22.5 22.5 92.2 93.4 6.5 6.6 6.5 3.7 3.6 4.9 4.5 4.7 5.5 23-May-12 Fine Moderate 07:19 7 Surface 1 26.6 26.6 8.2 8.2 20.6 20.6 83.4 85.5 6.0 6.1 6.0 2.4 2.3 4.1 2.9 2.5 5.4
      26.7 8.2 22.5 94.6 6.7 3.4 4.8       26.6 8.2 20.7 87.6 6.3 2.2 2.0
      Middle 4 26.7 26.7 8.2 8.2 22.7 22.6 86.4 89.2 6.1 6.3 3.4 3.4 4.0 5.0       Middle 4 26.6 26.6 8.2 8.2 22.9 23.0 83.5 83.7 5.9 5.9 3.9 3.8 3.7 4.5
      26.7 8.2 22.5 91.9 6.5 3.3 5.9       26.6 8.2 23.0 83.8 5.9 3.7 5.2
      Bottom 6 26.4 26.4 8.2 8.2 24.9 24.9 78.1 78.2 5.5 5.5 5.5 7.6 7.6 6.6 6.9       Bottom 6 26.6 26.6 8.2 8.2 23.5 23.5 82.2 81.7 5.8 5.7 5.7 6.2 6.2 9.6 9.1
      26.4 8.2 24.8 78.2 5.5 7.5 7.2         26.6 8.2 23.5 81.1 5.7 6.1 8.5
25-May-12 Sunny Moderate 14:55 7 Surface 1 27.7 27.7 8.2 8.2 21.9 21.8 95.0 94.0 6.6 6.5 6.3 2.5 2.3 3.8 2.5 3.4 3.2 25-May-12 Fine Moderate 08:31 7 Surface 1 27.3 27.3 8.1 8.1 19.0 19.5 89.5 89.5 6.4 6.4 6.1 1.7 1.8 3.8 2.9 2.6 4.1
      27.8 8.2 21.7 92.9 6.5 2.1 4.2       27.2 8.1 20.0 89.4 6.3 1.8 2.3
      Middle 4 27.3 27.3 8.2 8.2 23.2 23.2 87.1 86.9 6.1 6.1 2.7 2.7 3.0 2.9       Middle 4 27.0 27.0 8.2 8.2 23.5 23.5 81.3 81.3 5.7 5.7 3.1 3.2 4.9 3.8
      27.3 8.2 23.2 86.7 6.0 2.7 2.8       26.9 8.1 23.5 81.2 5.7 3.3 2.6
      Bottom 6 26.7 26.7 8.2 8.2 25.3 25.3 78.6 78.1 5.5 5.4 5.4 6.7 6.5 2.5 3.3       Bottom 6 26.6 26.6 8.1 8.2 25.4 25.4 75.1 75.4 5.2 5.2 5.2 6.6 6.4 6.3 6.0
        26.7 8.2 25.3 77.6 5.4 6.2 4.0         26.6 8.2 25.3 75.6 5.3 6.2 5.6
28-May-12 Fine Moderate 17:28 7 Surface 1 27.7 27.7 8.3 8.3 24.2 24.2 96.8 98.4 6.7 6.8 6.6 3.5 3.4 4.3 4.0 3.9 4.8 28-May-12 Fine Moderate 10:56 7 Surface 1 27.6 27.6 8.2 8.2 22.6 22.6 94.1 95.0 6.5 6.6 6.4 1.1 1.2 2.6 2.5 2.9 3.3
      27.6 8.3 24.2 99.9 6.9 3.3 3.8       27.6 8.2 22.6 95.9 6.7 1.2 3.3
      Middle 4 27.5 27.5 8.3 8.3 25.0 24.8 92.2 92.0 6.3 6.3 2.5 2.5 3.2 2.9       Middle 4 27.5 27.5 8.2 8.2 24.0 24.1 89.5 90.3 6.2 6.2 1.2 1.3 4.8 3.8
      27.5 8.3 24.5 91.7 6.3 2.4 2.6       27.5 8.2 24.2 91.1 6.3 1.3 2.8
      Bottom 6 27.2 27.2 8.2 8.2 26.7 26.7 81.3 80.4 5.6 5.5 5.5 6.7 7.0 8.5 7.6       Bottom 6 27.3 27.3 8.2 8.2 25.7 25.6 81.3 82.4 5.6 5.7 5.7 5.3 5.3 3.8 3.3
      27.2 8.2 26.8 79.5 5.4 7.2 6.6         27.3 8.2 25.6 83.4 5.7 5.2 2.7
30-May-12 Sunny Calm 08:50 7 Surface 1 27.1 27.1 8.2 8.2 24.9 24.8 87.7 86.8 6.1 6.0 5.9 4.3 4.4 5.5 3.4 4.2 4.2 30-May-12 Sunny Calm 13:52 7 Surface 1 27.7 27.7 8.3 8.3 23.0 23.0 90.0 90.9 6.2 6.3 6.1 3.4 3.3 5.4 5.7 5.3 6.3
      27.1 8.2 24.7 85.9 6.0 4.5 5.0       27.7 8.3 22.9 91.8 6.4 3.2 4.8
      Middle 4 27.1 27.1 8.2 8.2 26.9 27.0 84.8 85.3 5.8 5.8 6.1 6.3 5.1 4.7       Middle 4 27.2 27.2 8.2 8.2 25.2 25.7 87.0 86.2 6.0 5.9 5.9 5.8 4.4 4.0
      27.1 8.2 27.0 85.7 5.9 6.4 4.2       27.1 8.2 26.1 85.3 5.9 5.7 3.6
      Bottom 6 27.1 27.1 8.2 8.2 27.4 27.3 91.4 89.6 6.2 6.1 6.1 5.7 5.7 3.7 3.7       Bottom 6 27.1 27.1 8.2 8.3 26.4 26.5 87.7 86.1 6.0 5.9 5.9 7.1 7.2 9.3 9.6
        27.1 8.2 27.2 87.7 6.0 5.6 3.7         27.1 8.3 26.7 84.5 5.8 7.2 9.9
Remarks: Remarks:
Bolded values means the measured values exceed the Action Level; Underlined bolded values means the measured values exceed the Limit Level. Bolded values means the measured values exceed the Action Level; Underlined bolded values means the measured values exceed the Limit Level.
#  - Amber Rainstorm and Thunderstorm warnings were issued by HKO from 08:55 to 10:45 and 01:30 to 14:00 on 18 May 2012 respectively, with the consideration of safety concern, water quality monitoring  at Mid-Ebb session was cancelled.
Remarks:   Remarks:  
*     DA: Depth-Averaged *     DA: Depth-Averaged
**   Calm: Small or no wave; Moderate: Between calm and rough; Rough: White capped or rougher **   Calm: Small or no wave; Moderate: Between calm and rough; Rough: White capped or rougher
***  Cancelled due to Thunderstorm Warning and safety concern. ***  Cancelled due to Thunderstorm Warning and safety concern.