Impact Water Quality Monitoring Results at CSA - Mid-Ebb Tide Impact Water Quality Monitoring Results at CSA - 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 09:23 36 Surface 1 26.6 26.6 8.2 8.2 11.0 11.1 105.6 103.4 8.0 7.8 7.1 1.5 1.5 1.4 2.6 2.6 3.1 2-May-12 Fine Moderate 16:48 36 Surface 1 26.5 26.0 8.2 8.2 16.5 16.7 89.2 90.0 6.7 6.7 6.4 2.3 2.3 2.5 2.5 2.5 3.2
      26.6 8.2 11.2 101.2 7.6 1.4 2.6       25.5 8.2 17.0 90.8 6.8 2.3 2.4
      Middle 18 23.6 23.6 8.1 8.1 28.9 29.3 87.6 87.4 6.3 6.3 1.4 1.4 3.4 3.2       Middle 18 23.6 23.6 8.1 8.1 29.1 29.2 83.5 83.6 6.0 6.0 2.5 2.4 5.0 4.3
      23.5 8.1 29.7 87.2 6.3 1.3 3.0       23.6 8.1 29.2 83.7 6.0 2.3 3.6
      Bottom 35 23.5 23.5 8.1 8.1 30.0 29.9 89.4 89.7 6.4 6.4 6.4 1.4 1.4 4.2 3.5       Bottom 35 23.5 23.5 8.1 8.1 29.9 29.9 84.0 84.2 6.0 6.0 6.0 2.7 2.8 2.1 2.7
        23.5 8.1 29.8 89.9 6.4 1.3 2.8         23.5 8.1 29.9 84.4 6.0 2.8 3.2
4-May-12 Sunny Moderate 11:00 37 Surface 1 26.5 26.5 8.2 8.2 15.7 15.6 95.4 96.8 7.0 7.1 6.7 2.2 2.2 2.3 3.1 3.4 2.9 4-May-12 Cloudy Moderate 18:40 36 Surface 1 25.7 25.8 8.2 8.2 22.6 22.0 97.2 97.9 7.0 7.0 6.6 3.3 3.3 5.4 3.5 2.8 2.8
      26.5 8.2 15.5 98.1 7.2 2.1 3.6       26.0 8.2 21.3 98.6 7.1 3.2 2.1
      Middle 19 24.1 24.1 8.2 8.2 28.3 28.3 86.5 86.2 6.2 6.2 2.3 2.3 2.3 2.8       Middle 18 24.4 24.4 8.2 8.2 27.5 27.5 86.3 86.5 6.2 6.2 6.5 6.6 2.7 2.5
      24.1 8.2 28.3 85.9 6.1 2.2 3.2       24.4 8.2 27.4 86.6 6.2 6.6 2.2
      Bottom 36 24.0 24.0 8.1 8.2 28.9 28.9 85.8 87.0 6.1 6.2 6.2 2.4 2.5 2.1 2.6       Bottom 35 24.3 24.3 8.2 8.2 27.7 27.8 88.3 87.1 6.3 6.2 6.2 6.2 6.2 2.5 3.2
        24.0 8.2 28.8 88.1 6.3 2.5 3.0         24.2 8.2 27.8 85.9 6.1 6.1 3.8
7-May-12 Sunny Moderate 14:22 35 Surface 1 25.7 26.0 8.1 8.1 20.4 19.7 85.3 87.4 6.2 6.3 6.1 2.7 2.7 2.9 3.6 4.6 4.6 7-May-12 Sunny Moderate 06:31 36 Surface 1 25.9 25.9 8.1 8.1 19.0 19.6 85.8 85.9 6.3 6.3 6.2 2.4 2.5 4.1 3.7 3.7 3.2
      26.4 8.1 19.0 89.4 6.5 2.7 5.6       25.8 8.1 20.2 85.9 6.2 2.6 3.7
      Middle 18 24.4 24.4 8.2 8.2 27.7 27.7 81.6 81.6 5.8 5.8 2.6 2.7 5.6 5.3       Middle 18 24.8 24.8 8.1 8.1 26.1 26.1 83.8 84.0 6.0 6.0 4.7 4.6 2.5 3.1
      24.4 8.2 27.8 81.5 5.8 2.7 4.9       24.8 8.1 26.2 84.2 6.0 4.5 3.7
      Bottom 34 24.4 24.4 8.1 8.2 27.8 27.8 82.5 82.0 5.9 5.9 5.9 3.3 3.3 3.8 3.9       Bottom 35 24.8 24.7 8.1 8.1 26.7 26.8 83.3 83.4 5.9 6.0 6.0 5.2 5.2 3.6 2.8
        24.4 8.2 27.8 81.5 5.8 3.2 4.0         24.7 8.1 26.9 83.5 6.0 5.1 1.9
9-May-12 Sunny Moderate 16:04 38 Surface 1 28.1 28.1 8.2 8.2 15.8 15.8 97.7 96.7 7.0 6.9 6.6 2.2 2.2 2.6 2.7 2.8 3.1 9-May-12 Sunny Moderate 07:43 37 Surface 1 27.0 27.0 8.0 8.0 15.9 15.9 85.9 86.5 6.3 6.3 6.2 2.1 2.1 2.0 2.3 2.4 3.0
      28.1 8.2 15.8 95.7 6.8 2.2 2.9       26.9 8.0 15.9 87.0 6.4 2.0 2.5
      Middle 19 25.4 25.4 8.2 8.2 24.8 24.7 87.5 87.7 6.2 6.3 2.5 2.5 2.3 2.9       Middle 19 25.1 25.2 8.2 8.2 26.2 25.9 84.2 84.6 6.0 6.0 2.1 2.1 3.4 2.8
      25.4 8.2 24.6 87.8 6.3 2.4 3.4       25.3 8.2 25.7 85.0 6.0 2.1 2.1
      Bottom 37 24.7 24.8 8.2 8.2 28.1 26.8 87.5 88.0 6.2 6.3 6.3 3.2 3.2 3.2 3.7       Bottom 36 24.9 25.0 8.2 8.2 27.6 27.2 82.9 83.9 5.9 5.9 5.9 1.7 1.7 4.5 3.9
      24.8 8.2 25.5 88.5 6.4 3.2 4.1         25.1 8.2 26.9 84.9 6.0 1.7 3.3
11-May-12 Sunny Moderate 17:54 35 Surface 1 27.2 27.2 8.4 8.4 20.0 20.0 103.7 104.5 7.4 7.4 6.5 2.2 2.3 2.3 2.5 2.6 3.3 11-May-12 Cloudy Moderate 09:13 36 Surface 1 27.4 27.4 8.3 8.3 17.2 17.2 94.2 93.2 6.8 6.7 6.1 3.1 3.2 4.1 1.0 1.3 1.1
      27.2 8.4 19.9 105.3 7.5 2.3 2.6       27.4 8.3 17.2 92.2 6.6 3.2 1.5
      Middle 18 24.4 24.4 8.2 8.2 29.6 29.6 78.6 79.4 5.6 5.6 2.2 2.3 1.2 0.9       Middle 18 24.3 24.3 8.2 8.2 30.1 30.1 77.3 78.0 5.5 5.5 3.7 3.8 1.0 1.0
      24.4 8.2 29.5 80.1 5.7 2.3 0.6       24.3 8.2 30.1 78.7 5.6 3.8 1.0
      Bottom 34 24.3 24.3 8.2 8.2 30.0 30.0 79.9 82.1 5.6 5.8 5.8 2.3 2.3 6.6 6.3       Bottom 35 24.2 24.2 8.2 8.2 30.3 30.3 76.9 76.8 5.4 5.4 5.4 5.3 5.4 1.0 1.1
        24.3 8.2 29.9 84.2 5.9 2.3 6.0         24.2 8.2 30.2 76.7 5.4 5.5 1.1
14-May-12 Sunny Moderate 08:13 34 Surface 1 27.1 27.1 8.3 8.3 17.8 18.1 100.8 99.4 7.3 7.1 6.3 2.1 2.2 2.2 0.5 1.0 2.2 14-May-12 Sunny Moderate 15:16 34 Surface 1 28.4 28.4 8.6 8.5 16.8 16.8 110.3 106.2 7.8 7.5 6.3 2.1 2.2 2.4 2.5 2.6 2.3
      27.1 8.3 18.3 97.9 7.0 2.2 1.5       28.3 8.5 16.9 102.1 7.2 2.3 2.7
      Middle 17 24.7 24.7 8.2 8.2 29.2 29.1 79.5 77.4 5.6 5.4 2.2 2.2 2.5 2.5       Middle 17 24.7 24.7 8.2 8.2 29.2 29.2 72.9 73.1 5.1 5.1 2.3 2.3 2.1 2.7
      24.8 8.2 29.0 75.3 5.3 2.2 2.5       24.7 8.2 29.2 73.2 5.2 2.3 3.3
      Bottom 33 24.6 24.6 8.1 8.1 29.4 29.4 74.1 74.1 5.2 5.2 5.2 2.1 2.2 3.1 3.0       Bottom 33 24.7 24.7 8.2 8.2 29.3 29.3 75.1 75.0 5.3 5.3 5.3 2.5 2.6 1.7 1.6
      24.6 8.1 29.4 74.0 5.2 2.2 2.8         24.7 8.2 29.3 74.9 5.3 2.6 1.4
16-May-12 Rainy Moderate 09:30 35 Surface 1 27.7 27.7 8.4 8.4 18.1 18.1 104.9 104.6 7.5 7.4 6.5 0.9 0.9 1.3 2.4 2.9 2.5 16-May-12 Cloudy Moderate 17:30 36 Surface 1 26.9 26.9 8.3 8.3 21.6 21.5 93.8 94.1 6.6 6.7 6.0 1.2 1.2 2.5 2.8 3.3 4.4
      27.7 8.4 18.0 104.2 7.4 0.8 3.3       26.9 8.3 21.5 94.3 6.7 1.1 3.8
      Middle 18 25.2 25.2 8.2 8.2 29.2 29.2 80.0 79.6 5.6 5.6 1.2 1.3 1.3 1.2       Middle 18 25.2 25.2 8.2 8.2 29.0 29.0 75.6 75.5 5.3 5.3 2.4 2.4 3.4 3.7
      25.2 8.2 29.2 79.1 5.5 1.4 1.1       25.2 8.2 29.0 75.3 5.3 2.3 3.9
      Bottom 34 25.0 25.0 8.2 8.2 29.6 29.7 81.1 80.4 5.7 5.6 5.6 1.6 1.6 3.3 3.4       Bottom 35 25.1 25.1 8.2 8.2 29.4 29.4 76.6 76.9 5.4 5.4 5.4 4.0 3.9 5.5 6.3
        25.0 8.2 29.7 79.6 5.6 1.5 3.4       25.1 8.2 29.3 77.1 5.4 3.8 7.0
18-May-12 # - - - - Surface - - - - - - - - - - - - - - - - - - 18-May-12 Rainy Moderate 19:08 35 Surface 1 25.9 25.9 8.2 8.2 25.8 25.7 77.7 77.3 5.5 5.4 5.2 3.2 3.2 4.4 3.1 2.8 2.6
      - - - - - - -       25.9 8.2 25.6 76.8 5.4 3.1 2.4
      Middle - - - - - - - - - - - - - - -       Middle 18 25.5 25.5 8.2 8.2 27.4 27.4 72.0 72.0 5.1 5.0 3.6 3.6 2.7 2.5
      - - - - - - -       25.5 8.2 27.5 71.9 5.0 3.6 2.3
      Bottom - - - - - - - - - - - - - - - -       Bottom 34 25.4 25.4 8.2 8.2 28.1 28.2 72.0 72.1 5.0 5.0 5.0 6.4 6.4 2.5 2.4
        - - - - - - -         25.4 8.2 28.2 72.1 5.0 6.4 2.2
21-May-12 Sunny Moderate 12:06 35 Surface 1 26.9 26.9 8.2 8.2 22.2 22.2 87.6 88.8 6.2 6.3 5.6 1.4 1.4 3.8 3.2 2.8 2.5 21-May-12 Sunny Moderate 21:21 34 Surface 1 26.5 26.5 8.2 8.2 23.8 23.8 78.0 78.6 5.5 5.5 5.3 3.1 3.1 5.5 7.0 5.5 4.8
      26.9 8.2 22.1 90.0 6.4 1.4 2.3       26.6 8.1 23.8 79.1 5.6 3.0 3.9
      Middle 18 25.5 25.6 8.1 8.1 28.1 28.0 67.8 68.1 4.7 4.8 4.9 4.9 2.3 2.4       Middle 17 26.1 26.1 8.1 8.1 25.8 25.8 71.9 72.5 5.0 5.1 4.4 4.4 6.1 4.9
      25.6 8.1 28.0 68.3 4.8 4.8 2.5       26.1 8.1 25.9 73.0 5.1 4.4 3.7
      Bottom 34 25.5 25.5 8.1 8.1 28.3 28.3 72.2 71.4 5.0 5.0 5.0 4.9 5.0 2.1 2.2       Bottom 33 26.1 26.1 8.1 8.1 26.0 25.9 72.5 74.0 5.1 5.2 5.2 8.9 8.9 4.3 4.1
        25.5 8.1 28.4 70.5 4.9 5.1 2.2         26.1 8.1 25.9 75.5 5.3 8.8 3.9
23-May-12 Sunny Rough 15:12 35 Surface 1 26.8 26.7 8.2 8.2 22.9 23.0 82.2 81.1 5.8 5.7 5.4 3.1 3.1 3.8 3.9 3.7 3.5 23-May-12 Fine Moderate 06:32 33 Surface 1 26.4 26.4 8.1 8.1 20.6 20.7 86.2 84.8 6.2 6.1 5.7 2.7 2.7 3.8 4.1 4.3 4.1
      26.7 8.2 23.0 79.9 5.6 3.1 3.5       26.4 8.1 20.7 83.3 6.0 2.6 4.5
      Middle 18 25.9 25.9 8.1 8.1 27.6 27.6 72.7 72.4 5.1 5.0 4.7 4.7 2.6 2.7       Middle 17 26.1 26.1 8.1 8.1 25.8 25.7 75.0 74.8 5.3 5.2 3.4 3.4 4.1 3.7
      25.9 8.1 27.6 72.1 5.0 4.7 2.8       26.1 8.1 25.7 74.6 5.2 3.4 3.2
      Bottom 34 25.9 25.9 8.1 8.1 27.6 27.6 74.7 75.5 5.2 5.3 5.3 3.6 3.6 4.9 4.1       Bottom 32 26.0 26.0 8.1 8.1 26.7 26.7 75.2 74.6 5.2 5.2 5.2 5.3 5.3 3.4 4.3
      25.9 8.1 27.6 76.3 5.3 3.5 3.2         26.0 8.1 26.7 74.0 5.2 5.3 5.1
25-May-12 Sunny Moderate 16:25 36 Surface 1 28.0 28.0 8.2 8.2 21.4 21.4 87.5 94.8 6.1 6.6 6.2 1.1 1.1 1.9 2.9 2.8 2.2 25-May-12 Fine Moderate 07:27 36 Surface 1 27.0 27.1 8.1 8.1 22.3 21.9 86.1 89.3 6.1 6.3 6.0 1.1 1.1 1.7 2.3 2.5 2.1
      28.0 8.1 21.4 102.0 7.1 1.1 2.6       27.1 8.1 21.5 92.4 6.5 1.0 2.6
      Middle 18 26.5 26.5 8.2 8.2 27.5 27.5 84.4 82.4 5.8 5.7 2.1 2.1 2.4 2.8       Middle 18 26.5 26.6 8.2 8.2 25.6 25.2 80.3 81.9 5.6 5.7 1.9 1.9 1.5 1.4
      26.4 8.2 27.5 80.4 5.5 2.1 3.1       26.7 8.1 24.9 83.4 5.8 1.8 1.2
      Bottom 35 26.4 26.4 8.2 8.2 27.9 27.9 79.0 78.3 5.4 5.4 5.4 2.5 2.5 1.2 0.9       Bottom 35 26.6 26.5 8.1 8.2 25.6 26.2 79.6 79.6 5.5 5.5 5.5 2.0 2.1 2.2 2.4
        26.4 8.2 27.9 77.6 5.3 2.4 <0.5         26.4 8.2 26.8 79.6 5.5 2.1 2.6
28-May-12 Fine Moderate 18:33 36 Surface 1 27.6 27.6 8.2 8.2 24.6 24.6 93.8 98.3 6.4 6.8 6.4 2.5 2.6 1.8 2.1 2.2 2.5 28-May-12 Fine Moderate 10:25 36 Surface 1 27.5 27.5 8.2 8.2 23.8 23.8 98.0 94.5 6.8 6.5 6.3 1.1 1.1 1.5 1.9 1.4 1.9
      27.6 8.1 24.6 102.7 7.1 2.6 2.2       27.5 8.2 23.7 90.9 6.3 1.1 0.8
      Middle 18 27.1 27.1 8.2 8.2 28.3 28.4 87.4 88.0 5.9 6.0 1.5 1.5 1.7 1.5       Middle 18 27.1 27.1 8.2 8.2 27.2 27.1 91.5 89.7 6.3 6.1 1.6 1.6 1.5 1.8
      27.0 8.2 28.4 88.5 6.0 1.5 1.3       27.1 8.2 27.0 87.9 6.0 1.6 2.0
      Bottom 35 27.0 27.0 8.2 8.2 28.7 28.6 80.4 81.2 5.5 5.5 5.5 1.4 1.4 2.8 3.8       Bottom 35 27.1 27.0 8.2 8.2 27.1 27.6 84.1 82.9 5.8 5.7 5.7 1.7 1.7 2.2 2.4
      27.0 8.2 28.6 81.9 5.6 1.4 4.7         27.0 8.2 28.1 81.7 5.6 1.7 2.6
30-May-12 Sunny Calm 07:43 35 Surface 1 27.0 27.0 8.2 8.2 26.3 26.3 90.4 89.0 6.2 6.1 5.9 1.4 1.4 2.4 3.4 3.3 3.0 30-May-12 Sunny Calm 15:21 36 Surface 1 27.4 27.4 8.2 8.2 25.4 25.3 91.0 91.0 6.3 6.3 6.0 1.4 1.4 2.6 2.7 2.8 3.0
      27.0 8.2 26.2 87.6 6.0 1.4 3.2       27.4 8.2 25.3 91.0 6.3 1.4 2.9
      Middle 18 27.0 27.0 8.2 8.2 29.2 29.2 83.0 83.0 5.6 5.6 2.6 2.5 3.1 2.9       Middle 18 27.0 27.0 8.2 8.2 28.7 28.7 82.1 81.9 5.6 5.6 2.9 2.9 3.5 2.8
      27.0 8.2 29.2 83.0 5.6 2.4 2.6       27.0 8.2 28.7 81.6 5.5 2.9 2.1
      Bottom 34 27.0 27.0 8.2 8.2 29.3 29.3 82.8 83.2 5.6 5.6 5.6 3.1 3.2 2.2 2.8       Bottom 35 27.0 27.0 8.2 8.2 29.0 29.0 81.8 82.7 5.5 5.6 5.6 3.5 3.5 4.2 3.3
        27.0 8.2 29.3 83.5 5.7 3.2 3.4         27.0 8.2 28.9 83.5 5.7 3.5 2.4
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.