Impact Water Quality Monitoring Results at IS5 - Mid-Ebb Tide Impact Water Quality Monitoring Results at IS5 - 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 10:59 9 Surface 1 26.9 27.0 8.2 8.2 12.9 12.2 101.2 103.7 7.5 7.7 7.5 2.4 2.5 6.1 2.5 2.9 3.0 2-May-12 Fine Moderate 14:45 9 Surface 1 27.4 27.4 8.2 8.2 14.6 14.6 107.7 104.8 7.9 7.6 7.6 1.3 1.3 3.4 1.9 1.9 2.7
      27.0 8.2 11.5 106.2 7.9 2.5 3.2       27.4 8.2 14.6 101.8 7.4 1.3 1.9
      Middle 5 25.0 24.8 8.1 8.1 23.0 23.7 100.0 100.4 7.3 7.3 3.9 4.0 2.5 2.8       Middle 5 26.1 25.7 8.1 8.1 20.3 21.0 106.8 103.8 7.7 7.5 2.3 2.3 3.0 3.0
      24.7 8.1 24.4 100.7 7.3 4.0 3.0       25.2 8.1 21.7 100.7 7.3 2.3 2.9
      Bottom 8 24.3 24.3 8.1 8.1 25.4 25.3 88.4 89.6 6.4 6.5 6.5 11.6 11.7 3.9 3.4       Bottom 8 24.3 24.5 8.0 8.0 25.9 25.8 87.3 90.8 6.3 6.5 6.5 6.6 6.7 3.4 3.3
        24.3 8.1 25.3 90.7 6.6 11.8 2.9         24.7 8.0 25.7 94.2 6.8 6.7 3.1
4-May-12 Sunny Moderate 12:22 9 Surface 1 26.7 26.8 8.2 8.2 17.4 17.4 91.1 90.6 6.6 6.6 6.3 8.5 8.7 11.6 2.8 3.1 5.4 4-May-12 Cloudy Moderate 17:07 9 Surface 1 28.2 28.2 8.4 8.4 15.1 15.1 116.0 116.0 8.3 8.3 8.0 3.8 3.9 6.5 3.2 3.1 3.4
      26.8 8.2 17.4 90.0 6.6 8.8 3.3       28.1 8.4 15.2 115.9 8.3 3.9 2.9
      Middle 5 25.0 25.0 8.2 8.2 24.3 24.3 83.6 84.1 6.0 6.0 11.7 11.8 6.4 5.8       Middle 5 27.2 27.2 8.3 8.3 17.3 17.3 107.4 107.4 7.8 7.7 6.8 6.9 3.4 3.5
      25.0 8.2 24.3 84.5 6.1 11.9 5.2       27.2 8.3 17.4 107.4 7.7 7.0 3.6
      Bottom 8 24.4 24.4 8.2 8.2 27.1 27.1 83.5 83.6 6.0 6.0 6.0 14.5 14.4 5.9 7.2       Bottom 8 26.1 26.2 8.2 8.2 20.4 20.4 98.0 97.8 7.1 7.1 7.1 8.5 8.6 2.9 3.5
        24.3 8.2 27.1 83.7 6.0 14.2 8.4         26.2 8.2 20.4 97.6 7.0 8.7 4.1
7-May-12 Sunny Moderate 12:46 10 Surface 1 26.3 26.3 8.1 8.1 18.8 18.8 88.1 88.0 6.4 6.4 6.3 4.0 4.1 7.1 4.1 3.5 5.0 7-May-12 Sunny Moderate 08:16 10 Surface 1 26.2 26.2 8.1 8.1 18.2 18.3 93.2 92.9 6.8 6.8 6.6 2.5 2.4 4.8 3.2 3.2 3.6
      26.3 8.1 18.8 87.9 6.4 4.2 2.9       26.2 8.1 18.3 92.5 6.7 2.3 3.1
      Middle 5 26.0 26.0 8.1 8.1 19.5 19.5 84.8 85.3 6.2 6.2 6.2 6.3 4.8 4.7       Middle 5 26.1 26.1 8.1 8.1 19.4 19.4 88.9 88.8 6.5 6.4 4.7 4.6 3.3 3.1
      26.0 8.1 19.4 85.7 6.2 6.4 4.6       26.1 8.1 19.4 88.7 6.4 4.5 2.9
      Bottom 9 26.0 26.0 8.1 8.1 19.6 19.6 87.0 87.4 6.3 6.4 6.4 10.7 10.8 5.9 6.8       Bottom 9 26.0 26.0 8.1 8.1 20.2 20.3 90.6 90.8 6.6 6.6 6.6 7.5 7.4 3.4 4.5
        26.0 8.1 19.6 87.7 6.4 10.8 7.6         26.0 8.1 20.3 90.9 6.6 7.2 5.5
9-May-12 Sunny Moderate 14:07 10 Surface 1 27.8 28.0 8.3 8.3 14.3 14.1 104.3 102.9 7.6 7.4 7.2 1.2 1.3 1.5 3.4 4.1 5.0 9-May-12 Sunny Moderate 09:32 10 Surface 1 27.2 27.2 8.1 8.1 15.3 15.1 93.3 94.3 6.8 6.9 6.9 1.5 1.6 2.1 3.6 3.8 3.6
      28.3 8.3 13.8 101.5 7.3 1.3 4.8       27.2 8.1 15.0 95.2 7.0 1.6 3.9
      Middle 5 27.0 26.9 8.2 8.2 18.0 18.5 98.4 95.8 7.1 6.9 1.3 1.3 3.4 4.0       Middle 5 26.9 26.9 8.2 8.2 18.0 18.1 95.0 94.3 6.9 6.8 2.4 2.3 3.3 3.4
      26.8 8.2 18.9 93.1 6.7 1.3 4.6       26.9 8.2 18.1 93.6 6.8 2.2 3.5
      Bottom 9 25.8 26.1 8.2 8.2 23.5 22.2 90.7 92.2 6.5 6.6 6.6 1.9 1.9 5.7 6.8       Bottom 9 26.7 26.7 8.2 8.2 19.6 19.4 92.7 94.1 6.7 6.8 6.8 2.5 2.5 2.7 3.6
      26.4 8.2 20.9 93.7 6.7 1.8 7.8         26.8 8.2 19.1 95.4 6.9 2.4 4.5
11-May-12 Sunny Moderate 15:09 9 Surface 1 28.0 27.9 8.5 8.5 18.9 19.1 139.2 138.8 9.8 9.8 9.0 2.4 2.5 4.9 1.3 1.3 1.1 11-May-12 Cloudy Moderate 11:15 9 Surface 1 27.9 27.9 8.4 8.5 16.3 16.3 126.7 124.1 9.1 8.9 7.6 2.5 2.7 4.6 3.0 2.7 2.5
      27.8 8.5 19.4 138.3 9.8 2.5 1.3       27.9 8.5 16.3 121.4 8.7 2.8 2.4
      Middle 5 27.0 26.9 8.4 8.4 21.7 21.8 114.4 114.3 8.1 8.1 3.4 3.3 0.9 1.0       Middle 5 26.4 26.4 8.2 8.2 22.3 22.3 87.1 87.5 6.2 6.2 3.8 4.0 1.7 1.7
      26.9 8.4 21.9 114.2 8.1 3.2 1.0       26.4 8.2 22.2 87.8 6.2 4.1 1.6
      Bottom 8 26.0 26.0 8.2 8.2 24.5 24.5 98.5 98.1 7.0 6.9 6.9 8.9 8.9 <0.5 0.9       Bottom 8 25.9 25.9 8.2 8.2 24.7 24.8 83.4 82.7 5.9 5.9 5.9 6.8 7.0 2.7 3.0
        26.0 8.2 24.5 97.7 6.9 8.9 1.2         25.9 8.2 24.9 82.0 5.8 7.1 3.3
14-May-12 Sunny Moderate 10:36 9 Surface 1 27.6 27.5 8.5 8.5 18.2 18.6 119.3 116.8 8.4 8.3 7.3 2.1 2.2 4.1 4.3 4.1 4.3 14-May-12 Sunny Moderate 13:08 9 Surface 1 28.5 28.5 8.6 8.6 16.5 16.5 120.0 122.3 8.5 8.7 7.7 2.2 2.3 3.4 4.0 4.0 4.1
      27.5 8.5 19.0 114.2 8.1 2.3 3.9       28.4 8.6 16.4 124.5 8.9 2.3 4.0
      Middle 5 26.2 26.3 8.3 8.3 24.7 24.4 87.6 88.9 6.2 6.3 4.3 4.3 3.8 4.1       Middle 5 26.8 26.6 8.3 8.3 22.7 23.2 96.2 93.1 6.8 6.6 2.8 2.9 3.6 4.1
      26.4 8.3 24.1 90.1 6.3 4.3 4.3       26.5 8.3 23.7 90.0 6.3 3.0 4.5
      Bottom 8 26.0 26.0 8.3 8.3 25.9 25.8 86.6 86.7 6.1 6.1 6.1 5.9 5.8 4.9 4.7       Bottom 8 26.0 26.0 8.2 8.3 26.1 26.0 86.4 87.6 6.1 6.1 6.1 5.0 4.9 3.8 4.3
      26.0 8.3 25.8 86.8 6.1 5.7 4.5         26.0 8.3 26.0 88.7 6.2 4.7 4.7
16-May-12 Rainy Moderate 12:13 9 Surface 1 28.1 28.1 8.5 8.5 15.9 15.8 113.5 113.5 8.1 8.1 6.7 3.3 3.2 8.4 2.8 2.8 5.2 16-May-12 Cloudy Moderate 15:00 9 Surface 1 28.7 28.7 8.6 8.6 16.1 16.1 124.9 123.7 8.8 8.8 7.1 2.0 2.1 4.9 1.1 1.0 2.9
      28.2 8.5 15.6 113.5 8.1 3.0 2.7       28.7 8.6 16.0 122.5 8.7 2.1 0.9
      Middle 5 26.1 26.1 8.2 8.2 25.8 25.8 73.8 74.0 5.2 5.2 9.2 9.4 3.3 3.7       Middle 5 27.0 26.9 8.2 8.2 24.7 24.1 77.2 77.5 5.4 5.4 6.2 6.0 2.1 2.4
      26.1 8.2 25.8 74.1 5.2 9.6 4.1       26.7 8.2 23.5 77.7 5.5 5.8 2.7
      Bottom 8 26.1 26.1 8.2 8.2 26.0 26.0 75.3 74.5 5.3 5.2 5.2 13.4 12.7 8.4 9.0       Bottom 8 26.1 26.3 8.1 8.1 26.0 25.9 71.4 71.2 5.0 5.0 5.0 6.9 6.7 5.5 5.2
        26.1 8.2 26.0 73.7 5.2 12.0 9.5       26.4 8.2 25.8 70.9 4.9 6.5 4.9
18-May-12 # - - - - Surface - - - - - - - - - - - - - - - - - - 18-May-12 Rainy Moderate 16:42 10 Surface 1 27.2 27.2 8.3 8.3 18.4 18.4 102.5 95.8 7.3 6.9 6.9 2.4 2.4 3.0 2.3 2.7 2.7
      - - - - - - -       27.3 8.3 18.4 89.0 6.4 2.3 3.0
      Middle - - - - - - - - - - - - - - -       Middle 5 27.2 27.2 8.3 8.3 19.0 19.1 92.6 95.8 6.6 6.8 2.3 2.3 2.5 2.5
      - - - - - - -       27.2 8.3 19.1 98.9 7.1 2.2 2.5
      Bottom - - - - - - - - - - - - - - - -       Bottom 9 27.0 27.0 8.2 8.2 22.0 21.9 87.0 88.4 6.1 6.2 6.2 4.5 4.4 3.2 3.0
        - - - - - - -         27.0 8.2 21.9 89.8 6.3 4.3 2.8
21-May-12 Sunny Moderate 13:52 9 Surface 1 27.3 27.3 8.3 8.3 20.7 20.8 90.1 87.0 6.4 6.1 5.6 3.5 3.6 6.7 3.4 3.9 4.8 21-May-12 Sunny Moderate 18:56 10 Surface 1 27.3 27.3 8.3 8.3 20.8 20.8 104.1 103.7 7.4 7.3 7.1 3.6 3.8 5.6 4.9 4.5 4.2
      27.2 8.3 20.9 83.8 5.9 3.7 4.4       27.3 8.3 20.8 103.2 7.3 3.9 4.0
      Middle 5 26.4 26.4 8.2 8.2 25.2 25.1 73.1 72.9 5.1 5.1 6.7 6.8 4.3 5.1       Middle 5 27.2 27.2 8.3 8.3 21.6 21.6 96.2 96.6 6.8 6.8 4.2 4.5 3.9 4.7
      26.5 8.2 25.0 72.7 5.1 6.9 5.9       27.2 8.3 21.6 96.9 6.8 4.7 5.5
      Bottom 8 26.2 26.2 8.2 8.2 26.0 26.0 77.2 74.6 5.4 5.2 5.2 9.7 9.8 4.9 5.3       Bottom 9 26.8 26.7 8.2 8.2 23.3 23.5 84.1 84.3 5.9 5.9 5.9 8.2 8.4 3.9 3.5
        26.3 8.2 25.9 72.0 5.0 9.8 5.7         26.7 8.2 23.7 84.4 5.9 8.6 3.1
23-May-12 Sunny Rough 12:48 9 Surface 1 26.8 26.8 8.3 8.3 23.7 23.7 98.2 94.8 6.9 6.7 6.6 2.7 2.9 5.9 5.8 5.7 5.9 23-May-12 Fine Moderate 08:12 9 Surface 1 26.4 26.4 8.2 8.2 21.9 21.9 94.0 93.1 6.7 6.6 6.6 2.2 2.3 3.3 3.0 3.5 4.2
      26.8 8.2 23.6 91.4 6.4 3.0 5.5       26.4 8.2 21.8 92.1 6.6 2.4 3.9
      Middle 5 26.7 26.7 8.3 8.3 24.1 24.3 93.1 91.1 6.5 6.4 3.3 3.3 5.5 5.5       Middle 5 26.4 26.4 8.2 8.2 22.2 22.2 92.5 92.2 6.6 6.6 2.7 2.9 3.9 4.6
      26.7 8.3 24.5 89.1 6.2 3.2 5.4       26.4 8.2 22.2 91.8 6.5 3.0 5.2
      Bottom 8 26.6 26.6 8.3 8.3 26.0 26.0 83.6 83.6 5.8 5.8 5.8 11.4 11.5 6.7 6.6       Bottom 8 26.6 26.6 8.2 8.2 23.7 23.7 84.4 84.6 5.9 5.9 5.9 4.3 4.6 4.9 4.4
      26.6 8.3 26.0 83.6 5.8 11.5 6.5         26.6 8.2 23.7 84.7 6.0 4.9 3.9
25-May-12 Sunny Moderate 14:01 10 Surface 1 27.5 27.6 8.2 8.2 22.7 22.6 95.6 95.7 6.7 6.7 6.6 1.7 1.6 4.2 0.7 0.9 2.7 25-May-12 Fine Moderate 09:20 9 Surface 1 27.2 27.2 8.1 8.2 20.0 20.1 96.2 95.2 6.8 6.8 6.5 1.7 1.8 3.8 2.5 2.9 3.7
      27.6 8.1 22.5 95.7 6.7 1.4 1.1       27.2 8.2 20.2 94.2 6.7 1.8 3.2
      Middle 5 27.1 27.1 8.3 8.2 25.9 26.0 94.1 92.9 6.5 6.4 2.6 2.8 2.5 2.5       Middle 5 27.1 27.1 8.2 8.2 22.8 22.9 86.9 86.8 6.1 6.1 3.2 3.4 2.7 4.1
      27.1 8.2 26.1 91.6 6.3 2.9 2.4       27.1 8.2 23.0 86.6 6.1 3.5 5.4
      Bottom 9 26.9 26.9 8.3 8.3 27.2 27.2 88.8 88.8 6.1 6.1 6.1 8.1 8.2 4.6 4.7       Bottom 8 27.1 27.1 8.2 8.2 24.7 24.6 84.6 84.6 5.9 5.9 5.9 6.4 6.3 3.3 4.2
        26.9 8.3 27.3 88.7 6.1 8.3 4.7         27.1 8.2 24.5 84.6 5.9 6.1 5.1
28-May-12 Fine Moderate 16:33 9 Surface 1 27.8 27.8 8.3 8.3 24.1 24.2 107.9 107.3 7.4 7.4 7.2 1.2 1.3 4.7 3.5 3.7 3.5 28-May-12 Fine Moderate 11:47 9 Surface 1 27.7 27.7 8.3 8.3 23.2 23.1 100.5 101.3 7.0 7.0 6.7 1.4 1.3 2.6 4.0 3.4 3.2
      27.8 8.3 24.2 106.7 7.3 1.3 3.8       27.7 8.3 23.1 102.1 7.1 1.2 2.8
      Middle 5 27.7 27.7 8.3 8.3 24.8 25.1 102.9 101.2 7.1 6.9 3.3 3.4 2.9 2.6       Middle 5 27.6 27.6 8.3 8.3 24.6 24.7 94.6 93.6 6.5 6.4 2.1 2.1 2.9 2.5
      27.6 8.3 25.4 99.5 6.8 3.5 2.3       27.6 8.3 24.7 92.6 6.4 2.1 2.1
      Bottom 8 27.4 27.4 8.3 8.3 26.6 26.7 92.5 92.2 6.3 6.3 6.3 9.3 9.3 4.3 4.3       Bottom 8 27.5 27.5 8.2 8.2 25.4 25.5 86.6 85.7 5.9 5.9 5.9 4.3 4.4 3.8 3.8
      27.4 8.3 26.7 91.8 6.3 9.3 4.3         27.5 8.2 25.5 84.7 5.8 4.5 3.7
30-May-12 Sunny Calm 09:46 9 Surface 1 27.0 27.0 8.3 8.3 25.1 25.1 93.3 94.1 6.5 6.5 6.4 4.0 4.1 6.3 9.5 8.4 8.5 30-May-12 Sunny Calm 13:03 10 Surface 1 27.3 27.2 8.3 8.3 24.5 24.5 94.2 92.8 6.5 6.4 6.2 7.2 7.5 9.0 9.4 9.6 10.1
      27.0 8.3 25.1 94.9 6.6 4.2 7.3       27.2 8.3 24.5 91.4 6.3 7.7 9.7
      Middle 5 27.1 27.2 8.3 8.3 27.0 27.2 91.4 91.6 6.3 6.3 6.0 6.0 8.2 8.5       Middle 5 27.1 27.1 8.3 8.3 26.7 26.7 88.9 88.2 6.1 6.0 9.7 9.8 5.6 6.4
      27.2 8.3 27.4 91.7 6.3 5.9 8.8       27.1 8.3 26.8 87.4 6.0 9.9 7.2
      Bottom 8 27.2 27.2 8.3 8.3 28.0 27.9 92.7 92.1 6.3 6.3 6.3 8.8 8.9 8.3 8.5       Bottom 9 27.2 27.2 8.3 8.3 27.8 27.7 86.6 88.7 5.9 6.0 6.0 9.8 9.8 13.3 14.3
        27.2 8.3 27.9 91.4 6.2 8.9 8.7         27.2 8.3 27.6 90.7 6.2 9.7 15.3
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.