Impact Water Quality Monitoring Results at IS7 - Mid-Ebb Tide Impact Water Quality Monitoring Results at IS7 - 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 10:41 4 Surface 1 26.7 26.9 8.2 8.2 14.1 13.8 105.1 105.2 7.8 7.8 7.8 1.2 1.2 1.3 2.3 2.4 2.3 2-May-12 Fine Moderate 15:02 3 Surface 1 27.7 27.7 8.2 8.2 13.3 13.5 105.4 107.3 7.7 7.8 7.8 0.9 0.9 1.0 2.7 3.6 3.3
      27.1 8.2 13.5 105.3 7.8 1.2 2.4       27.7 8.2 13.8 109.1 8.0 0.9 4.5
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.7 26.7 8.2 8.2 13.9 14.3 105.3 105.4 7.8 7.8 7.8 1.3 1.3 2.0 2.1       Bottom 2 27.7 27.8 8.2 8.2 14.3 14.3 110.0 109.0 8.0 7.9 7.9 1.1 1.1 2.7 3.0
        26.8 8.2 14.6 105.4 7.8 1.3 2.2         27.8 8.2 14.3 108.0 7.8 1.1 3.3
4-May-12 Sunny Moderate 12:02 3 Surface 1 27.1 27.1 8.3 8.3 15.3 15.4 104.4 104.6 7.6 7.6 7.6 2.6 2.6 4.2 2.3 2.6 2.6 4-May-12 Cloudy Moderate 17:25 3 Surface 1 27.9 27.9 8.4 8.4 15.4 15.4 121.7 121.5 8.8 8.8 8.8 1.6 1.6 2.3 2.8 2.6 2.5
      27.1 8.3 15.4 104.8 7.7 2.5 2.9       27.9 8.4 15.4 121.3 8.7 1.5 2.3
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 2 26.4 26.4 8.1 8.2 19.5 19.5 95.5 95.8 6.9 6.9 6.9 5.7 5.8 2.0 2.5       Bottom 2 27.6 27.6 8.3 8.3 16.4 16.4 119.4 118.7 8.6 8.5 8.5 2.9 2.9 2.3 2.4
        26.4 8.2 19.4 96.1 7.0 5.8 3.0         27.6 8.3 16.4 117.9 8.5 2.8 2.4
7-May-12 Sunny Moderate 13:04 4 Surface 1 26.6 26.6 8.2 8.2 17.5 17.5 95.7 95.8 7.0 7.0 7.0 2.6 2.7 3.1 6.1 5.1 6.1 7-May-12 Sunny Moderate 07:59 4 Surface 1 26.1 26.1 8.1 8.1 15.9 16.0 87.1 87.5 6.5 6.5 6.5 4.0 4.0 3.6 3.3 3.8 4.1
      26.6 8.2 17.5 95.9 7.0 2.8 4.0       26.1 8.1 16.0 87.9 6.5 3.9 4.3
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.2 26.2 8.2 8.2 19.6 19.6 92.3 92.5 6.7 6.7 6.7 3.3 3.5 6.0 7.1       Bottom 3 26.1 26.1 8.1 8.1 17.6 17.6 88.3 88.2 6.5 6.5 6.5 3.0 3.1 4.3 4.3
        26.2 8.2 19.6 92.6 6.7 3.6 8.1         26.1 8.1 17.6 88.1 6.5 3.1 4.3
9-May-12 Sunny Moderate 14:25 4 Surface 1 28.0 28.1 8.3 8.3 14.2 14.1 112.9 113.7 8.2 8.2 8.2 1.8 1.9 1.9 5.5 5.0 5.7 9-May-12 Sunny Moderate 09:14 4 Surface 1 27.2 27.2 8.1 8.1 15.5 15.5 96.3 94.9 7.0 6.9 6.9 1.6 1.6 1.8 3.6 4.4 4.2
      28.2 8.3 14.0 114.4 8.3 1.9 4.4       27.2 8.1 15.4 93.4 6.8 1.5 5.2
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.9 28.0 8.3 8.3 15.6 15.2 112.8 111.4 8.1 8.0 8.0 1.8 1.8 5.5 6.3       Bottom 3 27.1 27.2 8.1 8.1 15.6 15.6 94.3 96.6 6.9 7.0 7.0 1.9 1.9 3.7 3.9
      28.0 8.3 14.8 109.9 7.9 1.8 7.1         27.2 8.1 15.6 98.8 7.2 1.8 4.1
11-May-12 Sunny Moderate 15:29 4 Surface 1 28.3 28.3 8.5 8.5 15.9 16.0 141.3 140.8 10.1 10.0 10.0 2.0 2.0 2.3 2.9 2.8 2.2 11-May-12 Cloudy Moderate 10:59 4 Surface 1 27.9 27.9 8.3 8.3 15.7 15.6 117.4 116.8 8.5 8.4 8.4 1.8 1.9 2.0 2.2 2.6 1.9
      28.2 8.5 16.0 140.2 10.0 1.9 2.6       27.8 8.3 15.6 116.1 8.4 2.0 3.0
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 28.2 28.2 8.5 8.5 16.0 16.1 140.2 139.2 10.0 9.9 9.9 2.5 2.5 2.0 1.5       Bottom 3 27.8 27.8 8.3 8.3 15.8 15.8 118.3 117.5 8.5 8.5 8.5 2.0 2.0 1.6 1.1
        28.2 8.5 16.1 138.2 9.9 2.4 1.0         27.8 8.3 15.8 116.6 8.4 1.9 0.5
14-May-12 Sunny Moderate 10:15 3 Surface 1 27.8 27.9 8.6 8.6 16.1 16.0 141.0 141.2 10.1 10.1 10.1 2.6 2.6 3.5 3.1 3.0 3.9 14-May-12 Sunny Moderate 13:28 4 Surface 1 28.5 28.7 8.6 8.7 15.2 15.0 150.9 151.5 10.8 10.8 10.8 2.5 2.4 2.5 2.4 3.2 3.2
      27.9 8.6 15.8 141.3 10.2 2.5 2.9       29.0 8.7 14.8 152.1 10.8 2.2 3.9
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 2 27.4 27.4 8.5 8.5 19.6 19.7 130.3 128.6 9.2 9.1 9.1 4.4 4.4 3.6 4.7       Bottom 3 27.9 27.8 8.6 8.6 18.5 18.4 143.6 144.7 10.2 10.3 10.3 2.7 2.6 3.5 3.1
      27.4 8.5 19.8 126.8 9.0 4.4 5.8         27.8 8.6 18.3 145.7 10.3 2.5 2.6
16-May-12 Rainy Moderate 11:56 3 Surface 1 28.1 28.1 8.5 8.5 16.9 17.0 122.8 123.5 8.7 8.8 8.8 1.9 1.9 2.5 4.4 4.6 4.2 16-May-12 Cloudy Moderate 15:19 3 Surface 1 28.4 28.4 8.6 8.6 16.7 16.7 137.3 137.0 9.7 9.7 9.7 1.8 1.8 2.1 3.1 4.1 3.6
      28.1 8.5 17.1 124.1 8.8 1.9 4.7       28.4 8.6 16.7 136.7 9.7 1.8 5.0
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 2 27.6 27.6 8.3 8.3 19.4 19.4 104.1 102.0 7.4 7.2 7.2 3.0 3.1 4.1 3.8       Bottom 2 28.4 28.4 8.6 8.6 16.7 16.7 135.9 134.9 9.6 9.6 9.6 2.3 2.3 3.4 3.1
        27.6 8.3 19.4 99.9 7.1 3.2 3.4       28.4 8.6 16.7 133.8 9.5 2.2 2.8
18-May-12 # - - - - Surface - - - - - - - - - - - - - - - - - - 18-May-12 Rainy Moderate 17:03 3 Surface 1 27.3 27.3 8.3 8.3 19.0 19.0 96.3 95.4 6.9 6.8 6.8 2.5 2.7 2.9 2.3 2.2 2.1
      - - - - - - -       27.3 8.3 19.0 94.5 6.7 2.8 2.1
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom - - - - - - - - - - - - - - - -       Bottom 2 27.3 27.3 8.3 8.3 19.0 19.0 95.3 95.0 6.8 6.8 6.8 3.0 3.0 2.0 1.9
        - - - - - - -         27.3 8.3 19.0 94.6 6.8 3.0 1.8
21-May-12 Sunny Moderate 13:38 4 Surface 1 27.3 27.4 8.2 8.2 19.7 19.7 97.3 96.8 6.9 6.9 6.9 4.1 4.0 4.0 4.2 4.5 4.7 21-May-12 Sunny Moderate 19:14 4 Surface 1 27.2 27.2 8.3 8.3 21.4 21.4 107.1 107.2 7.6 7.6 7.6 5.6 5.9 6.0 13.9 12.9 8.8
      27.4 8.2 19.7 96.3 6.8 3.9 4.8       27.2 8.3 21.4 107.2 7.6 6.1 11.8
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.3 27.3 8.2 8.2 19.7 19.7 97.6 97.0 6.9 6.9 6.9 3.9 4.0 6.0 4.8       Bottom 3 27.2 27.2 8.3 8.3 21.4 21.4 106.8 106.9 7.5 7.5 7.5 5.8 6.0 5.5 4.6
        27.3 8.2 19.7 96.3 6.8 4.0 3.5         27.2 8.3 21.4 107.0 7.5 6.2 3.7
23-May-12 Sunny Rough 13:09 3 Surface 1 26.7 26.7 8.2 8.2 20.9 20.9 97.6 98.7 7.0 7.0 7.0 4.0 4.2 4.3 7.1 6.6 6.5 23-May-12 Fine Moderate 07:54 4 Surface 1 26.3 26.3 8.2 8.2 21.2 21.2 92.8 93.7 6.6 6.7 6.7 2.1 2.2 2.2 4.2 4.3 4.3
      26.7 8.2 20.9 99.7 7.1 4.4 6.0       26.3 8.2 21.2 94.6 6.8 2.3 4.3
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 2 26.7 26.7 8.2 8.2 20.9 20.9 97.3 97.6 6.9 7.0 7.0 4.2 4.3 5.9 6.4       Bottom 3 26.3 26.3 8.2 8.2 21.2 21.2 92.9 92.7 6.7 6.6 6.6 2.0 2.1 4.7 4.2
      26.7 8.2 20.9 97.8 7.0 4.3 6.9         26.3 8.2 21.2 92.5 6.6 2.1 3.6
25-May-12 Sunny Moderate 14:19 4 Surface 1 27.8 27.8 8.2 8.2 19.4 19.4 101.1 100.6 7.1 7.1 7.1 2.5 2.4 4.5 2.7 2.8 3.2 25-May-12 Fine Moderate 09:05 4 Surface 1 27.3 27.3 8.1 8.2 19.2 19.2 96.4 95.9 6.9 6.8 6.8 1.4 1.4 1.9 2.2 2.4 2.6
      27.8 8.1 19.4 100.1 7.1 2.2 2.8       27.3 8.2 19.3 95.3 6.8 1.4 2.6
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.9 27.0 8.1 8.1 24.2 24.4 87.1 89.3 6.1 6.2 6.2 6.5 6.5 3.9 3.5       Bottom 3 27.2 27.2 8.2 8.2 20.1 20.0 95.7 95.5 6.8 6.8 6.8 2.2 2.3 2.7 2.7
        27.1 8.1 24.6 91.4 6.3 6.4 3.0         27.2 8.2 19.9 95.3 6.8 2.4 2.6
28-May-12 Fine Moderate 16:51 3 Surface 1 27.8 27.8 8.3 8.3 22.7 22.7 111.5 112.7 7.7 7.8 7.8 2.2 2.1 2.2 4.6 5.4 5.2 28-May-12 Fine Moderate 11:30 4 Surface 1 27.7 27.7 8.3 8.3 23.5 23.5 103.5 103.7 7.2 7.2 7.2 1.9 1.8 2.1 2.0 2.6 3.0
      27.8 8.3 22.7 113.8 7.9 2.0 6.1       27.6 8.3 23.5 103.9 7.2 1.7 3.1
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 2 27.8 27.8 8.3 8.3 22.7 22.8 114.1 113.6 7.9 7.9 7.9 2.3 2.3 4.4 5.0       Bottom 3 27.7 27.7 8.3 8.3 23.7 23.7 103.1 102.8 7.1 7.1 7.1 2.4 2.4 2.6 3.4
      27.8 8.3 22.9 113.0 7.8 2.2 5.5         27.6 8.3 23.7 102.5 7.1 2.3 4.1
30-May-12 Sunny Calm 09:23 4 Surface 1 27.2 27.2 8.3 8.3 24.0 24.1 96.9 95.1 6.7 6.6 6.6 2.7 2.8 3.3 3.9 3.8 3.9 30-May-12 Sunny Calm 13:18 4 Surface 1 27.4 27.4 8.3 8.3 24.8 24.7 109.8 111.2 7.6 7.7 7.7 7.6 7.7 6.7 4.7 5.4 5.7
      27.1 8.3 24.2 93.3 6.5 2.8 3.7       27.5 8.3 24.7 112.5 7.8 7.7 6.0
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.1 27.1 8.2 8.3 24.6 24.3 91.8 93.9 6.4 6.5 6.5 3.7 3.7 3.2 3.9       Bottom 3 27.4 27.4 8.3 8.3 24.7 24.7 110.7 111.6 7.6 7.7 7.7 5.7 5.6 6.1 5.9
        27.2 8.3 24.1 95.9 6.7 3.6 4.6         27.4 8.3 24.7 112.4 7.7 5.5 5.6
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.