Impact Water Quality Monitoring Results at IS8 - Mid-Ebb Tide Impact Water Quality Monitoring Results at IS8 - 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 10:18 4 Surface 1 26.8 26.5 8.2 8.2 13.6 13.8 103.2 101.7 7.7 7.6 7.6 2.4 2.4 2.5 3.3 3.1 2.9 2-May-12 Fine Moderate 15:26 4 Surface 1 27.6 27.4 8.3 8.2 13.2 13.4 113.8 112.9 8.3 8.3 8.3 1.2 1.2 1.2 2.6 2.5 2.5
      26.2 8.1 14.1 100.2 7.5 2.4 2.8       27.1 8.2 13.6 112.0 8.3 1.2 2.4
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.2 26.3 8.1 8.1 15.6 15.5 102.1 101.4 7.6 7.5 7.5 2.5 2.5 2.4 2.6       Bottom 3 27.3 27.4 8.2 8.2 15.0 15.2 111.6 112.3 8.1 8.2 8.2 1.2 1.2 3.0 2.5
        26.4 8.1 15.3 100.7 7.4 2.5 2.8         27.5 8.2 15.4 112.9 8.2 1.2 2.0
4-May-12 Sunny Moderate 11:36 4 Surface 1 27.2 27.3 8.3 8.3 15.2 15.2 105.8 105.7 7.7 7.7 7.7 1.4 1.5 2.0 2.6 2.8 2.6 4-May-12 Cloudy Moderate 17:53 3 Surface 1 27.2 27.2 8.3 8.2 15.6 15.6 103.1 102.8 7.5 7.5 7.5 2.3 2.3 2.2 3.2 2.7 2.9
      27.3 8.3 15.2 105.5 7.7 1.6 2.9       27.2 8.2 15.6 102.5 7.5 2.2 2.2
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.8 26.8 8.2 8.2 16.6 16.6 102.2 102.5 7.5 7.5 7.5 2.3 2.4 2.0 2.4       Bottom 2 26.6 26.6 8.2 8.2 17.5 17.5 99.6 99.9 7.3 7.3 7.3 1.9 2.0 4.1 3.1
        26.7 8.2 16.7 102.8 7.5 2.4 2.8         26.6 8.2 17.5 100.1 7.3 2.0 2.0
7-May-12 Sunny Moderate 13:36 4 Surface 1 26.4 26.4 8.2 8.2 18.3 18.3 92.6 92.5 6.7 6.7 6.7 2.5 2.6 2.5 4.8 4.0 4.8 7-May-12 Sunny Moderate 07:25 4 Surface 1 26.1 26.1 8.0 8.0 15.6 15.6 83.5 83.7 6.2 6.2 6.2 3.2 3.2 3.8 5.3 4.6 4.2
      26.4 8.2 18.2 92.3 6.7 2.6 3.1       26.1 8.0 15.6 83.8 6.2 3.1 3.8
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 25.8 25.8 8.2 8.2 21.5 21.5 90.4 89.9 6.5 6.5 6.5 2.3 2.3 5.4 5.6       Bottom 3 26.2 26.2 8.1 8.1 17.8 17.8 83.8 84.0 6.1 6.1 6.1 4.2 4.3 3.6 3.7
        25.7 8.2 21.6 89.4 6.5 2.3 5.7         26.2 8.1 17.8 84.1 6.2 4.3 3.7
9-May-12 Sunny Moderate 14:53 5 Surface 1 27.9 28.0 8.3 8.3 14.0 13.9 114.2 114.4 8.3 8.3 8.3 1.3 1.4 1.6 4.6 4.4 4.1 9-May-12 Sunny Moderate 08:47 5 Surface 1 27.1 27.1 8.0 8.0 14.8 14.8 83.1 82.3 6.1 6.0 6.0 1.4 1.4 1.6 3.7 4.1 3.5
      28.1 8.3 13.8 114.6 8.3 1.5 4.1       27.0 8.0 14.8 81.4 6.0 1.3 4.4
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 4 28.0 27.9 8.3 8.3 15.8 15.8 114.5 114.7 8.2 8.2 8.2 1.8 1.7 3.0 3.7       Bottom 4 27.0 27.0 8.0 8.0 15.1 15.0 86.0 83.8 6.3 6.1 6.1 1.7 1.8 2.3 2.8
      27.9 8.3 15.9 114.9 8.3 1.6 4.4         27.0 8.0 14.9 81.6 6.0 1.9 3.3
11-May-12 Sunny Moderate 15:56 4 Surface 1 28.1 28.1 8.4 8.4 17.9 17.9 131.1 130.7 9.3 9.3 9.3 1.9 2.1 2.4 2.1 2.3 2.2 11-May-12 Cloudy Moderate 10:31 4 Surface 1 27.6 27.6 8.2 8.2 16.3 16.2 104.8 105.1 7.6 7.6 7.6 1.9 1.9 2.2 1.6 1.4 1.3
      28.1 8.4 17.9 130.2 9.2 2.2 2.5       27.6 8.2 16.1 105.4 7.6 1.9 1.2
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.9 27.3 8.3 8.4 21.3 21.3 110.9 113.5 7.9 8.1 8.1 2.6 2.7 2.1 2.1       Bottom 3 27.2 27.2 8.2 8.2 18.6 18.7 100.9 100.5 7.2 7.2 7.2 2.5 2.5 0.7 1.1
        27.6 8.4 21.3 116.1 8.3 2.7 2.0         27.2 8.2 18.8 100.0 7.2 2.4 1.5
14-May-12 Sunny Moderate 09:52 4 Surface 1 27.6 27.6 8.5 8.5 15.2 15.3 130.7 131.2 9.5 9.5 9.5 2.7 2.8 2.7 2.8 2.8 3.0 14-May-12 Sunny Moderate 13:56 4 Surface 1 28.3 28.2 8.6 8.6 17.3 17.3 128.7 127.3 9.1 9.0 9.0 2.4 2.3 4.6 5.4 4.0 7.0
      27.5 8.5 15.4 131.7 9.5 2.8 2.8       28.2 8.6 17.4 125.9 9.0 2.2 2.6
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.5 27.5 8.5 8.5 17.8 17.8 125.6 127.4 9.0 9.1 9.1 2.6 2.6 2.8 3.2       Bottom 3 26.7 26.7 8.3 8.3 21.9 21.9 98.2 97.1 7.0 6.9 6.9 6.7 6.8 10.3 10.0
      27.5 8.5 17.8 129.1 9.2 2.5 3.5         26.7 8.3 21.9 96.0 6.8 6.8 9.6
16-May-12 Rainy Moderate 11:28 4 Surface 1 27.9 27.9 8.5 8.5 17.1 17.0 127.5 127.0 9.1 9.1 9.1 1.8 1.8 2.8 2.1 2.2 2.1 16-May-12 Cloudy Moderate 15:58 4 Surface 1 27.8 27.8 8.4 8.4 18.3 18.2 115.6 115.8 8.2 8.2 8.2 2.4 2.5 3.2 5.2 4.7 4.9
      27.9 8.6 16.8 126.5 9.0 1.8 2.2       27.9 8.5 18.1 116.0 8.2 2.6 4.2
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.5 27.5 8.3 8.3 19.1 19.1 102.6 102.5 7.3 7.3 7.3 3.5 3.7 1.8 1.9       Bottom 3 26.8 26.7 8.2 8.2 22.4 22.8 95.0 98.4 6.7 6.9 6.9 3.8 3.8 4.1 5.1
        27.4 8.3 19.2 102.4 7.3 3.9 1.9       26.6 8.2 23.2 101.7 7.2 3.8 6.0
18-May-12 # - - - - Surface - - - - - - - - - - - - - - - - - - 18-May-12 Rainy Moderate 17:30 4 Surface 1 27.0 26.9 8.3 8.3 20.1 20.0 96.5 99.8 6.9 7.1 7.1 2.1 2.2 2.5 3.0 2.7 3.0
      - - - - - - -       26.8 8.3 20.0 103.0 7.4 2.2 2.3
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom - - - - - - - - - - - - - - - -       Bottom 3 27.1 27.0 8.3 8.3 20.1 20.1 94.9 97.3 6.8 6.9 6.9 2.7 2.8 3.5 3.2
        - - - - - - -         27.0 8.3 20.2 99.6 7.1 2.8 2.8
21-May-12 Sunny Moderate 13:13 4 Surface 1 27.2 27.2 8.2 8.2 21.1 21.1 80.3 80.9 5.7 5.7 5.7 4.9 5.1 6.5 5.6 6.8 7.0 21-May-12 Sunny Moderate 19:41 5 Surface 1 27.1 27.1 8.2 8.2 21.4 21.5 89.6 90.1 6.3 6.4 6.4 2.9 2.9 3.2 3.3 3.6 3.3
      27.2 8.2 21.1 81.5 5.8 5.2 8.0       27.1 8.2 21.6 90.6 6.4 2.9 3.8
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.7 26.6 8.2 8.2 23.4 23.6 73.4 75.6 5.2 5.3 5.3 7.9 7.9 8.2 7.2       Bottom 4 27.0 27.0 8.2 8.2 22.7 22.8 90.4 90.6 6.3 6.4 6.4 3.3 3.4 3.0 2.9
        26.6 8.2 23.8 77.8 5.5 7.8 6.2         27.0 8.2 22.8 90.8 6.4 3.4 2.7
23-May-12 Sunny Rough 13:39 4 Surface 1 26.9 26.9 8.2 8.2 21.5 21.5 99.5 100.4 7.0 7.1 7.1 1.8 1.9 2.1 3.8 3.8 3.9 23-May-12 Fine Moderate 07:28 4 Surface 1 26.6 26.6 8.2 8.2 20.2 20.3 87.1 89.0 6.2 6.4 6.4 2.0 2.0 2.1 2.7 2.9 2.9
      26.9 8.2 21.5 101.3 7.2 2.0 3.7       26.6 8.2 20.3 90.8 6.5 2.0 3.1
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.9 26.9 8.2 8.2 21.6 21.6 99.3 99.2 7.0 7.0 7.0 2.1 2.3 4.0 4.0       Bottom 3 26.6 26.6 8.2 8.2 21.0 21.0 87.7 88.5 6.3 6.3 6.3 2.0 2.2 2.8 2.9
      26.9 8.2 21.6 99.1 7.0 2.4 4.0         26.6 8.2 21.0 89.3 6.4 2.3 2.9
25-May-12 Sunny Moderate 14:46 4 Surface 1 27.7 27.8 8.2 8.2 21.5 21.0 94.3 95.7 6.6 6.7 6.7 1.3 1.4 3.7 5.2 4.0 3.3 25-May-12 Fine Moderate 08:40 4 Surface 1 27.2 27.3 8.1 8.1 20.8 20.3 91.8 89.8 6.5 6.4 6.4 2.7 2.6 3.1 3.2 2.8 2.8
      28.0 8.2 20.6 97.0 6.8 1.4 2.8       27.3 8.1 19.8 87.7 6.2 2.5 2.4
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.2 27.2 8.2 8.2 23.5 23.8 86.5 85.7 6.0 6.0 6.0 5.9 6.0 2.8 2.6       Bottom 3 27.2 27.2 8.1 8.1 21.9 21.8 84.2 84.4 5.9 5.9 5.9 3.5 3.6 2.9 2.8
        27.1 8.2 24.0 84.9 5.9 6.1 2.4         27.2 8.1 21.7 84.5 6.0 3.6 2.6
28-May-12 Fine Moderate 17:21 4 Surface 1 27.8 27.8 8.3 8.3 23.5 23.5 102.2 103.0 7.1 7.1 7.1 2.0 2.2 3.0 6.4 5.5 5.5 28-May-12 Fine Moderate 11:06 4 Surface 1 27.7 27.7 8.2 8.2 21.7 22.1 97.2 96.7 6.8 6.7 6.7 1.1 1.2 1.4 3.7 3.2 3.3
      27.8 8.3 23.5 103.8 7.2 2.3 4.6       27.6 8.2 22.4 96.2 6.7 1.2 2.7
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.5 27.5 8.2 8.2 25.1 25.2 90.0 89.2 6.2 6.1 6.1 3.7 3.8 4.9 5.5       Bottom 3 27.5 27.5 8.2 8.2 23.4 23.5 93.6 93.7 6.5 6.5 6.5 1.6 1.5 4.1 3.3
      27.5 8.2 25.3 88.4 6.1 3.9 6.1         27.5 8.2 23.5 93.8 6.5 1.4 2.4
30-May-12 Sunny Calm 08:59 5 Surface 1 27.0 27.0 8.3 8.3 24.8 24.8 93.8 94.8 6.5 6.6 6.6 2.9 2.8 3.7 3.3 3.1 2.9 30-May-12 Sunny Calm 13:43 4 Surface 1 27.6 27.7 8.3 8.3 22.3 22.2 101.2 101.5 7.0 7.1 7.1 2.2 2.1 2.8 4.0 3.9 4.1
      27.0 8.3 24.8 95.8 6.6 2.7 2.8       27.8 8.3 22.2 101.7 7.1 2.0 3.8
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 4 27.1 27.1 8.3 8.3 25.9 26.2 92.8 94.3 6.4 6.5 6.5 4.5 4.5 2.7 2.6       Bottom 3 27.2 27.3 8.3 8.3 24.5 24.3 100.1 100.2 6.9 6.9 6.9 3.4 3.5 4.9 4.3
        27.0 8.3 26.5 95.8 6.6 4.4 2.5         27.3 8.3 24.2 100.2 6.9 3.5 3.7
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.