Impact Water Quality Monitoring Results at IS(Mf)9 - Mid-Ebb Tide Impact Water Quality Monitoring Results at IS(Mf)9 - 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 10:33 4 Surface 1 26.9 26.7 8.2 8.2 13.5 13.9 104.2 104.4 7.7 7.7 7.7 1.6 1.6 2.0 1.1 1.5 2.0 2-May-12 Fine Moderate 15:09 3 Surface 1 27.5 27.4 8.3 8.3 12.8 12.9 103.4 105.3 7.6 7.8 7.8 3.4 3.5 3.5 2.7 2.8 4.2
      26.5 8.2 14.2 104.5 7.8 1.5 1.9       27.2 8.2 13.1 107.2 7.9 3.5 2.8
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.6 26.6 8.2 8.2 14.5 14.5 104.6 104.7 7.7 7.7 7.7 2.3 2.3 2.8 2.5       Bottom 2 27.0 27.3 8.2 8.2 15.1 14.8 107.7 106.6 7.9 7.8 7.8 3.4 3.4 5.8 5.6
        26.6 8.2 14.5 104.7 7.8 2.3 2.2         27.6 8.2 14.5 105.4 7.7 3.4 5.3
4-May-12 Sunny Moderate 11:54 4 Surface 1 27.0 26.9 8.3 8.3 16.1 16.1 102.6 102.2 7.5 7.5 7.5 2.5 2.6 4.2 2.1 2.1 2.6 4-May-12 Cloudy Moderate 17:34 3 Surface 1 27.7 27.7 8.3 8.3 15.3 15.3 116.6 116.1 8.4 8.4 8.4 3.0 3.1 4.0 3.7 3.1 3.2
      26.9 8.2 16.1 101.7 7.4 2.6 2.1       27.7 8.3 15.3 115.5 8.3 3.2 2.4
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.0 26.0 8.2 8.2 20.1 20.1 95.1 95.4 6.9 6.9 6.9 5.6 5.7 2.8 3.1       Bottom 2 27.0 27.0 8.3 8.3 17.6 17.6 109.9 109.8 7.9 7.9 7.9 4.9 4.9 3.8 3.3
        26.0 8.2 20.1 95.7 6.9 5.8 3.3         27.0 8.3 17.6 109.7 7.9 4.9 2.7
7-May-12 Sunny Moderate 13:14 4 Surface 1 26.7 26.7 8.2 8.2 17.2 17.2 91.0 90.9 6.6 6.6 6.6 2.8 2.9 3.7 1.6 1.6 2.6 7-May-12 Sunny Moderate 07:47 5 Surface 1 26.2 26.2 8.1 8.1 17.5 17.5 85.2 85.5 6.2 6.3 6.3 3.3 3.2 3.5 4.8 4.5 4.9
      26.7 8.2 17.2 90.7 6.6 2.9 1.6       26.2 8.1 17.5 85.8 6.3 3.0 4.1
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 25.8 25.8 8.1 8.1 21.7 21.7 87.1 87.3 6.3 6.3 6.3 4.2 4.4 4.2 3.6       Bottom 4 26.1 26.1 8.1 8.1 18.7 18.8 86.6 87.2 6.3 6.4 6.4 3.6 3.7 5.9 5.2
        25.7 8.1 21.7 87.4 6.3 4.5 3.0         26.1 8.1 18.8 87.7 6.4 3.7 4.5
9-May-12 Sunny Moderate 14:34 4 Surface 1 28.2 28.2 8.3 8.3 13.9 13.9 113.3 113.5 8.2 8.2 8.2 2.1 2.1 2.2 3.1 3.6 3.3 9-May-12 Sunny Moderate 09:07 4 Surface 1 27.1 27.1 8.0 8.0 14.5 14.5 85.6 87.3 6.3 6.4 6.4 1.4 1.5 1.7 2.8 2.8 4.0
      28.2 8.3 13.9 113.6 8.2 2.0 4.1       27.1 8.0 14.5 88.9 6.5 1.5 2.7
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.6 27.6 8.2 8.2 16.0 16.1 112.8 112.3 8.1 8.1 8.1 2.4 2.3 3.3 3.0       Bottom 3 26.9 27.0 8.1 8.0 15.7 15.7 97.6 91.6 7.1 6.7 6.7 1.8 1.8 4.9 5.2
      27.5 8.2 16.2 111.8 8.1 2.2 2.7         27.0 8.0 15.7 85.5 6.2 1.8 5.4
11-May-12 Sunny Moderate 15:37 4 Surface 1 28.0 27.9 8.5 8.5 16.5 16.5 133.4 132.9 9.5 9.5 9.5 2.5 2.5 3.6 2.5 2.8 2.7 11-May-12 Cloudy Moderate 10:51 4 Surface 1 27.6 27.6 8.3 8.3 16.6 16.6 109.6 109.5 7.9 7.9 7.9 1.9 1.9 2.1 1.8 1.9 1.6
      27.8 8.4 16.5 132.4 9.5 2.5 3.1       27.6 8.3 16.6 109.3 7.9 1.9 2.0
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.2 26.3 8.2 8.2 23.7 23.3 102.9 101.7 7.3 7.2 7.2 4.7 4.7 2.9 2.6       Bottom 3 27.5 27.5 8.3 8.3 17.5 17.6 109.0 108.6 7.8 7.8 7.8 2.4 2.3 1.4 1.3
        26.4 8.2 22.9 100.5 7.1 4.6 2.2         27.5 8.3 17.7 108.1 7.7 2.2 1.2
14-May-12 Sunny Moderate 10:08 3 Surface 1 28.3 28.3 8.6 8.6 14.8 14.8 138.9 140.3 10.0 10.1 10.1 2.4 2.4 2.8 4.3 3.9 4.3 14-May-12 Sunny Moderate 13:37 4 Surface 1 28.7 28.6 8.6 8.6 16.9 16.9 136.7 137.1 9.6 9.7 9.7 2.5 2.5 2.3 3.5 3.5 4.0
      28.3 8.6 14.9 141.7 10.2 2.3 3.4       28.4 8.6 17.0 137.5 9.7 2.5 3.4
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 2 27.3 27.5 8.4 8.5 18.5 17.8 129.3 130.4 9.2 9.3 9.3 3.0 3.1 3.7 4.6       Bottom 3 27.5 27.5 8.5 8.5 18.6 18.8 123.2 124.5 8.8 8.9 8.9 2.0 2.1 5.1 4.4
      27.7 8.5 17.1 131.4 9.4 3.2 5.4         27.5 8.5 19.0 125.7 8.9 2.1 3.7
16-May-12 Rainy Moderate 11:47 4 Surface 1 28.1 28.1 8.5 8.5 16.7 16.8 118.7 119.4 8.5 8.5 8.5 2.6 2.8 2.8 2.6 2.3 3.8 16-May-12 Cloudy Moderate 15:29 4 Surface 1 28.0 28.0 8.5 8.5 18.3 18.3 126.7 126.1 9.0 8.9 8.9 2.6 2.5 5.9 3.8 3.9 3.7
      28.0 8.5 17.0 120.0 8.5 3.0 2.0       28.0 8.5 18.3 125.5 8.9 2.3 4.0
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.5 27.4 8.3 8.3 19.3 20.0 107.5 103.3 7.6 7.3 7.3 2.8 2.7 5.2 5.3       Bottom 3 27.9 27.8 8.4 8.4 18.9 18.9 117.6 119.9 8.3 8.5 8.5 9.4 9.2 3.6 3.4
        27.2 8.3 20.7 99.1 7.0 2.5 5.3       27.8 8.4 19.0 122.1 8.6 9.0 3.2
18-May-12 # - - - - Surface - - - - - - - - - - - - - - - - - - 18-May-12 Rainy Moderate 17:11 3 Surface 1 27.0 27.1 8.3 8.3 19.5 19.7 102.9 99.8 7.4 7.1 7.1 3.6 3.6 4.2 2.1 2.2 2.5
      - - - - - - -       27.1 8.3 20.0 96.6 6.9 3.5 2.2
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom - - - - - - - - - - - - - - - -       Bottom 2 27.1 27.1 8.3 8.3 19.9 19.9 100.1 97.8 7.1 7.0 7.0 4.8 4.8 2.3 2.7
        - - - - - - -         27.1 8.3 19.9 95.4 6.8 4.7 3.1
21-May-12 Sunny Moderate 13:30 4 Surface 1 27.3 27.3 8.2 8.2 20.0 19.9 94.9 91.4 6.7 6.5 6.5 3.7 3.8 3.7 6.8 5.9 5.2 21-May-12 Sunny Moderate 19:24 4 Surface 1 27.1 27.1 8.2 8.2 21.1 21.2 91.3 90.4 6.5 6.4 6.4 2.7 2.8 3.1 2.6 2.8 3.2
      27.2 8.2 19.9 87.9 6.2 3.9 4.9       27.1 8.2 21.2 89.5 6.3 2.8 3.0
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.2 27.1 8.2 8.2 20.2 21.7 95.9 94.1 6.8 6.6 6.6 3.5 3.6 5.4 4.4       Bottom 3 27.1 27.1 8.2 8.2 22.2 22.0 90.4 90.7 6.4 6.4 6.4 3.2 3.3 3.8 3.6
        27.0 8.2 23.2 92.2 6.5 3.6 3.4         27.1 8.2 21.8 91.0 6.4 3.4 3.3
23-May-12 Sunny Rough 13:17 3 Surface 1 26.7 26.7 8.2 8.2 21.3 21.3 98.0 96.9 7.0 6.9 6.9 4.2 4.1 4.2 4.9 4.9 5.4 23-May-12 Fine Moderate 07:47 4 Surface 1 26.5 26.5 8.2 8.2 20.6 20.6 88.7 89.7 6.4 6.4 6.4 1.8 1.9 2.2 3.6 3.7 3.9
      26.7 8.2 21.3 95.8 6.8 4.0 4.8       26.5 8.2 20.6 90.6 6.5 2.0 3.8
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 2 26.6 26.7 8.2 8.2 21.3 21.3 95.6 95.6 6.8 6.8 6.8 4.2 4.3 5.9 5.9       Bottom 3 26.5 26.5 8.2 8.2 21.4 21.5 90.6 91.0 6.5 6.5 6.5 2.5 2.5 3.7 4.1
      26.7 8.2 21.3 95.6 6.8 4.4 5.9         26.4 8.2 21.7 91.3 6.5 2.4 4.4
25-May-12 Sunny Moderate 14:26 4 Surface 1 27.7 27.7 8.2 8.2 21.0 20.8 97.9 97.4 6.9 6.8 6.8 4.1 4.0 5.0 6.8 7.2 4.2 25-May-12 Fine Moderate 08:58 4 Surface 1 27.3 27.3 8.2 8.2 19.6 19.7 91.6 92.3 6.5 6.6 6.6 1.4 1.4 1.6 3.2 2.8 2.6
      27.7 8.2 20.6 96.8 6.8 3.8 7.5       27.3 8.2 19.7 92.9 6.6 1.4 2.3
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.1 27.1 8.2 8.1 22.8 23.6 81.7 84.8 5.7 5.9 5.9 5.9 6.0 1.1 1.2       Bottom 3 27.2 27.2 8.2 8.2 21.6 21.6 88.7 89.0 6.3 6.3 6.3 1.7 1.8 2.6 2.4
        27.0 8.1 24.3 87.9 6.1 6.1 1.3         27.2 8.2 21.6 89.3 6.3 1.9 2.1
28-May-12 Fine Moderate 17:00 4 Surface 1 27.8 27.8 8.4 8.4 23.0 23.0 116.7 115.8 8.1 8.0 8.0 2.1 2.0 2.3 3.0 3.7 4.0 28-May-12 Fine Moderate 11:21 4 Surface 1 27.6 27.6 8.2 8.2 22.6 22.5 98.9 98.6 6.9 6.9 6.9 1.3 1.4 1.6 2.9 2.8 2.8
      27.8 8.4 23.0 114.9 7.9 1.8 4.3       27.6 8.2 22.4 98.2 6.8 1.5 2.7
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.8 27.8 8.4 8.4 23.0 23.0 116.0 116.0 8.0 8.0 8.0 2.4 2.5 4.2 4.2       Bottom 3 27.6 27.6 8.3 8.3 23.2 23.1 99.0 99.0 6.9 6.9 6.9 1.6 1.7 2.9 2.7
      27.8 8.4 23.0 116.0 8.0 2.6 4.2         27.6 8.3 23.1 99.0 6.9 1.8 2.5
30-May-12 Sunny Calm 09:16 4 Surface 1 27.1 27.1 8.3 8.3 24.6 24.6 93.3 92.6 6.5 6.4 6.4 9.6 9.7 10.6 6.9 6.4 6.7 30-May-12 Sunny Calm 13:27 4 Surface 1 27.5 27.4 8.3 8.3 23.5 23.6 110.7 109.5 7.7 7.6 7.6 2.9 3.0 3.3 4.1 4.8 5.1
      27.1 8.3 24.7 91.9 6.4 9.8 5.9       27.3 8.3 23.7 108.3 7.5 3.0 5.5
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.0 27.0 8.2 8.2 25.1 25.1 89.6 91.1 6.2 6.3 6.3 11.5 11.5 6.9 6.9       Bottom 3 27.2 27.2 8.3 8.3 25.1 25.2 110.6 108.5 7.6 7.5 7.5 3.6 3.5 5.8 5.4
        27.0 8.2 25.1 92.6 6.4 11.4 6.8         27.2 8.3 25.3 106.4 7.3 3.4 4.9
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.