Impact Water Quality Monitoring Results at IS(Mf)6 - Mid-Ebb Tide Impact Water Quality Monitoring Results at IS(Mf)6 - 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 10:50 3 Surface 1 26.8 26.8 8.2 8.2 15.1 14.4 103.2 102.1 7.6 7.5 7.5 2.2 2.2 2.5 1.5 1.5 1.5 2-May-12 Fine Moderate 14:55 3 Surface 1 27.6 27.5 8.2 8.3 13.6 13.4 114.7 114.7 8.4 8.4 8.4 0.8 0.8 0.9 3.4 2.9 2.8
      26.9 8.2 13.7 101.0 7.5 2.2 1.5       27.5 8.3 13.2 114.7 8.4 0.8 2.3
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 2 26.6 26.6 8.1 8.1 18.3 17.9 102.3 101.3 7.4 7.4 7.4 2.8 2.8 1.2 1.5       Bottom 2 27.5 27.6 8.3 8.3 13.4 14.0 114.9 114.7 8.4 8.4 8.4 0.9 0.9 2.7 2.7
        26.7 8.1 17.5 100.3 7.3 2.8 1.7         27.6 8.2 14.5 114.4 8.3 0.9 2.6
4-May-12 Sunny Moderate 12:12 3 Surface 1 27.1 27.1 8.2 8.2 15.6 15.6 97.6 97.1 7.1 7.1 7.1 4.2 4.1 5.3 3.0 2.8 3.1 4-May-12 Cloudy Moderate 17:14 3 Surface 1 27.9 27.9 8.4 8.4 15.6 15.6 117.1 117.1 8.4 8.4 8.4 4.5 4.6 5.7 3.2 3.4 3.4
      27.0 8.2 15.6 96.5 7.0 3.9 2.6       27.9 8.4 15.6 117.1 8.4 4.6 3.6
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 2 25.6 25.6 8.2 8.2 21.6 21.6 87.5 87.4 6.3 6.3 6.3 6.4 6.5 3.1 3.3       Bottom 2 27.3 27.4 8.3 8.3 16.6 16.6 113.5 113.4 8.2 8.2 8.2 6.6 6.7 2.9 3.3
        25.6 8.2 21.6 87.3 6.3 6.5 3.4         27.4 8.3 16.6 113.2 8.2 6.8 3.7
7-May-12 Sunny Moderate 12:55 4 Surface 1 26.6 26.6 8.2 8.2 17.5 17.5 96.0 96.0 7.0 7.0 7.0 2.3 2.3 2.9 5.7 4.8 4.5 7-May-12 Sunny Moderate 08:06 4 Surface 1 26.2 26.2 8.1 8.1 17.0 17.0 89.7 89.8 6.6 6.6 6.6 4.2 4.3 5.6 4.1 5.0 4.6
      26.6 8.2 17.5 95.9 7.0 2.2 3.9       26.2 8.1 17.0 89.8 6.6 4.3 5.8
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.4 26.4 8.1 8.1 18.6 18.6 93.1 93.3 6.8 6.8 6.8 3.5 3.5 4.3 4.1       Bottom 3 26.1 26.1 8.1 8.1 18.0 18.1 92.8 92.6 6.8 6.8 6.8 6.9 6.8 3.4 4.2
        26.4 8.1 18.6 93.4 6.8 3.5 3.9         26.1 8.1 18.1 92.3 6.7 6.6 5.0
9-May-12 Sunny Moderate 14:15 4 Surface 1 27.9 28.0 8.3 8.3 14.5 14.4 110.0 110.6 8.0 8.0 8.0 1.7 1.7 1.6 3.6 4.1 4.5 9-May-12 Sunny Moderate 09:22 4 Surface 1 27.3 27.2 8.0 8.0 14.6 14.8 90.4 89.6 6.6 6.5 6.5 1.2 1.2 1.3 3.8 4.4 4.2
      28.1 8.3 14.2 111.2 8.0 1.6 4.5       27.2 8.0 14.9 88.7 6.5 1.1 5.0
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.7 27.7 8.3 8.3 14.9 15.8 110.4 109.9 8.0 7.9 7.9 1.3 1.4 4.8 4.8       Bottom 3 27.1 27.1 8.0 8.0 15.0 15.0 91.6 90.3 6.7 6.6 6.6 1.3 1.3 3.5 4.0
      27.8 8.2 16.7 109.4 7.8 1.5 4.8         27.1 8.0 15.0 88.9 6.5 1.2 4.5
11-May-12 Sunny Moderate 15:18 4 Surface 1 28.2 28.2 8.5 8.5 16.7 16.7 147.0 146.0 10.5 10.4 10.4 2.4 2.3 2.3 3.2 2.9 3.4 11-May-12 Cloudy Moderate 11:08 4 Surface 1 27.9 27.9 8.4 8.4 16.0 16.0 120.6 120.4 8.7 8.6 8.6 1.9 2.0 2.0 1.3 1.2 1.3
      28.2 8.5 16.6 145.0 10.3 2.2 2.6       27.9 8.4 16.0 120.1 8.6 2.1 1.1
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 28.2 28.2 8.5 8.5 16.8 16.7 135.5 137.7 9.5 9.7 9.7 2.1 2.2 3.6 3.8       Bottom 3 27.9 27.9 8.4 8.4 16.0 16.0 120.2 119.9 8.6 8.6 8.6 2.0 2.0 1.7 1.4
        28.2 8.5 16.7 139.8 9.9 2.2 3.9         27.9 8.3 16.0 119.6 8.6 2.0 1.1
14-May-12 Sunny Moderate 10:25 3 Surface 1 27.6 27.7 8.4 8.5 18.8 18.0 125.5 125.5 8.9 8.9 8.9 2.3 2.3 2.8 5.2 4.1 3.9 14-May-12 Sunny Moderate 13:19 3 Surface 1 28.5 28.6 8.7 8.7 15.1 15.1 153.6 152.3 11.0 10.8 10.8 2.4 2.4 2.4 4.0 4.7 5.8
      27.9 8.5 17.2 125.4 8.9 2.2 2.9       28.7 8.7 15.0 151.0 10.7 2.3 5.3
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 2 27.1 27.1 8.4 8.4 21.3 21.3 117.1 117.5 8.3 8.3 8.3 3.3 3.2 4.3 3.7       Bottom 2 27.4 27.4 8.5 8.5 19.3 20.0 135.9 134.9 9.7 9.5 9.5 2.2 2.4 7.5 6.8
      27.1 8.4 21.4 117.9 8.3 3.1 3.0         27.4 8.5 20.7 133.9 9.4 2.5 6.1
16-May-12 Rainy Moderate 12:06 3 Surface 1 28.1 28.1 8.5 8.5 16.9 17.4 122.3 122.7 8.7 8.7 8.7 2.5 2.4 4.2 4.5 3.8 4.5 16-May-12 Cloudy Moderate 15:09 3 Surface 1 28.5 28.5 8.6 8.6 16.4 16.4 137.3 136.5 9.7 9.7 9.7 1.7 1.8 2.4 3.7 3.0 2.7
      28.1 8.5 17.8 123.0 8.7 2.2 3.0       28.5 8.6 16.4 135.7 9.6 1.9 2.2
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 2 27.3 27.2 8.3 8.3 19.9 20.3 98.3 100.7 7.0 7.1 7.1 6.0 6.0 6.1 5.2       Bottom 2 28.4 28.4 8.5 8.5 16.7 16.7 128.2 130.9 9.1 9.3 9.3 3.0 2.9 2.0 2.3
        27.0 8.3 20.7 103.1 7.3 6.0 4.3       28.4 8.5 16.7 133.5 9.5 2.7 2.6
18-May-12 # - - - - Surface - - - - - - - - - - - - - - - - - - 18-May-12 Rainy Moderate 16:55 3 Surface 1 27.2 27.2 8.3 8.3 18.9 18.8 102.2 99.8 7.3 7.1 7.1 1.8 1.8 2.4 2.0 2.0 2.4
      - - - - - - -       27.2 8.3 18.8 97.3 7.0 1.8 2.0
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom - - - - - - - - - - - - - - - -       Bottom 2 27.2 27.2 8.3 8.3 18.9 18.8 99.5 98.0 7.1 7.0 7.0 2.8 2.9 3.2 2.8
        - - - - - - -         27.2 8.3 18.8 96.5 6.9 2.9 2.3
21-May-12 Sunny Moderate 13:46 4 Surface 1 27.4 27.4 8.2 8.2 20.4 20.4 97.4 97.4 6.9 6.9 6.9 2.7 2.7 2.8 5.4 4.6 4.2 21-May-12 Sunny Moderate 19:05 4 Surface 1 27.1 27.1 8.3 8.3 21.6 21.6 97.0 97.0 6.8 6.8 6.8 6.4 6.5 6.4 5.4 5.6 9.1
      27.4 8.2 20.4 97.4 6.9 2.7 3.8       27.1 8.3 21.6 96.9 6.8 6.5 5.7
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.2 27.2 8.2 8.2 21.1 21.0 99.3 98.5 7.0 7.0 7.0 2.9 2.8 3.7 3.8       Bottom 3 27.1 27.1 8.3 8.3 21.6 21.6 97.3 97.1 6.9 6.8 6.8 6.2 6.2 13.1 12.5
        27.2 8.2 20.9 97.6 6.9 2.7 3.9         27.1 8.3 21.6 96.9 6.8 6.1 11.8
23-May-12 Sunny Rough 13:00 4 Surface 1 26.7 26.7 8.2 8.2 21.1 21.1 98.8 99.6 7.0 7.1 7.1 2.6 2.7 2.6 5.2 4.8 3.9 23-May-12 Fine Moderate 08:02 3 Surface 1 26.3 26.3 8.2 8.2 20.9 21.0 93.1 93.0 6.7 6.7 6.7 1.9 2.1 2.3 4.8 4.3 4.7
      26.7 8.2 21.1 100.4 7.2 2.7 4.3       26.3 8.2 21.0 92.9 6.7 2.2 3.8
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 26.7 26.7 8.2 8.2 21.4 21.3 98.0 98.3 7.0 7.0 7.0 2.4 2.4 3.0 2.9       Bottom 2 26.3 26.3 8.2 8.2 21.5 21.4 92.9 92.8 6.6 6.6 6.6 2.4 2.5 4.3 5.1
      26.7 8.2 21.1 98.5 7.0 2.3 2.8         26.3 8.2 21.2 92.7 6.6 2.5 5.9
25-May-12 Sunny Moderate 14:11 4 Surface 1 27.9 27.9 8.2 8.2 19.7 19.7 99.3 99.0 7.0 7.0 7.0 1.4 1.5 1.8 1.1 1.4 1.9 25-May-12 Fine Moderate 09:13 4 Surface 1 27.3 27.3 8.1 8.1 19.3 19.3 93.5 93.1 6.7 6.6 6.6 2.3 2.2 2.1 2.7 2.9 2.7
      27.9 8.2 19.7 98.7 6.9 1.6 1.7       27.3 8.1 19.2 92.7 6.6 2.1 3.1
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.5 27.5 8.2 8.2 20.7 20.4 97.5 98.0 6.9 6.9 6.9 2.1 2.0 2.4 2.3       Bottom 3 27.3 27.3 8.2 8.2 19.6 19.6 93.4 93.2 6.6 6.6 6.6 1.9 1.9 2.1 2.5
        27.6 8.2 20.2 98.4 6.9 1.8 2.2         27.3 8.2 19.5 93.0 6.6 1.8 2.9
28-May-12 Fine Moderate 16:45 4 Surface 1 27.8 27.8 8.3 8.3 22.6 22.6 110.1 109.9 7.6 7.6 7.6 2.2 2.2 3.3 4.2 4.6 5.2 28-May-12 Fine Moderate 11:38 4 Surface 1 27.7 27.7 8.3 8.3 22.2 22.3 102.0 102.2 7.1 7.1 7.1 2.1 2.0 2.4 3.0 2.9 2.7
      27.8 8.3 22.6 109.7 7.6 2.1 5.0       27.7 8.3 22.4 102.3 7.1 1.9 2.8
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.8 27.8 8.3 8.3 22.8 23.0 98.8 99.1 6.8 6.8 6.8 4.3 4.4 6.5 5.8       Bottom 3 27.6 27.6 8.3 8.3 23.5 23.5 103.0 102.8 7.1 7.1 7.1 2.9 2.8 2.3 2.4
      27.8 8.3 23.1 99.3 6.9 4.5 5.0         27.6 8.3 23.5 102.5 7.1 2.6 2.5
30-May-12 Sunny Calm 09:30 4 Surface 1 27.0 27.0 8.3 8.3 24.5 24.3 98.6 97.2 6.9 6.8 6.8 6.0 5.9 7.4 3.5 3.9 4.6 30-May-12 Sunny Calm 13:11 4 Surface 1 27.3 27.3 8.3 8.3 26.4 26.5 102.1 102.2 7.0 7.0 7.0 6.5 6.6 6.9 5.9 6.3 8.3
      27.0 8.3 24.2 95.7 6.7 5.8 4.2       27.3 8.3 26.7 102.3 7.1 6.6 6.6
      Middle - - - - - - - - - - - - - - -       Middle - - - - - - - - - - - - - - -
      - - - - - - -       - - - - - - -
      Bottom 3 27.0 27.0 8.3 8.3 25.7 25.0 96.4 97.8 6.7 6.8 6.8 8.9 8.8 5.2 5.3       Bottom 3 27.1 27.1 8.3 8.3 25.6 25.6 99.7 99.8 6.8 6.9 6.9 7.1 7.2 9.9 10.3
        27.0 8.3 24.4 99.1 6.9 8.7 5.3         27.1 8.3 25.7 99.9 6.9 7.2 10.6
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.