Agreement No. CE 45/2008 (CE) Liantang/Heung Yuen Wai Boundary Control Point and Associated Works

AUES

Monthly Environmental Monitoring & Audit Report (No.21) – April 2015

24-hour TSP Monitoring Data

DATE SAMPLE NUMBER ELAPSED TIME CHART READING AVG TEMP AVG AIR PRESS STANDARD FLOW RATE AIR VOLUME FILTER WEIGHT (g) DUST WEIGHT COLLECTED 24-HR TSP (μg/m3)
INITIAL FINAL (min) MIN MAX AVG (℃) (hPa) (m3/min) (std m3) INITIAL FINAL (g)
AM1a - Garden Farm, Tsung Yuen Ha Village
8-Apr-15 27846 9781.47 9805.47 1440.00 42 43 42.5 22.1 1013.3 1.50 2157 2.8452 2.9759 0.1307 61
14-Apr-15 27862 9805.47 9829.47 1440.00 43 43 43.0 23.4 1011.8 1.51 2175 2.8404 3.0198 0.1794 82
20-Apr-15 27898 9829.47 9853.47 1440.00 42 42 42.0 23.9 1012 1.48 2125 2.7325 2.8385 0.1060 50
25-Apr-15 27917 9853.68 9877.23 1413.00 35 36 35.5 23.9 1017.1 1.26 1779 2.7244 2.8446 0.1202 68
30-Apr-15 27948 9877.23 9901.23 1440.00 36 38 37.0 24.8 1010.7 1.30 1867 2.8695 2.9795 0.1100 59
AM2 - Village House near Lin Ma Hang Road
8-Apr-15 27845 5307.43 5331.34 1434.60 33 34 33.5 22.1 1013.3 1.13 1620 2.8487 3.0156 0.1669 103
14-Apr-15 27864 5331.34 5355.25 1434.60 31 33 32.0 23.4 1011.8 1.08 1551 2.8556 3.0705 0.2149 139
22-Apr-15 27918 5379.19 5403.15 1437.60 27 31 29.0 23.9 1012 0.99 1424 2.7335 2.8523 0.1188 83
25-Apr-15 27817 5403.15 5427.16 1440.60 34 34 34.0 23.9 1017.1 1.05 1508 2.8744 3.0882 0.2138 142
30-Apr-15 27950 5427.16 5451.56 1464.00 33 34 33.5 24.8 1010.7 1.03 1503 2.8603 3.0116 0.1513 101
AM3 - Ta Kwu Ling Fire Service Station of Ta Kwu Ling Village
8-Apr-15 27844 6316.23 6340.23 1440.00 39 40 39.5 22.1 1013.3 1.27 1834 2.8477 3.0130 0.1653 90
14-Apr-15 27863 6340.23 6364.23 1440.00 39 39 39.0 23.4 1011.8 1.25 1806 2.8465 3.7832 0.9367 519
20-Apr-15 27896 6364.23 6388.23 1440.00 39 40 39.5 23.9 1012 1.27 1828 2.7373 2.8934 0.1561 85
25-Apr-15 27919 6388.41 6412.41 1440.00 41 42 41.5 23.9 1017.1 1.31 1887 2.7149 2.8407 0.1258 67
30-Apr-15 27951 6412.41 6436.41 1440.00 42 42 42.0 24.8 1010.7 1.32 1902 2.8515 2.9675 0.1160 61
AM7b - Loi Tung Village House
8-Apr-15 27848 13860.75 13884.75 1440.00 30 34 32.0 22.1 1013.3 0.80 1155 2.8498 2.9354 0.0856 74
14-Apr-15 27889 13884.75 13908.75 1440.00 35 38 36.5 23.4 1011.8 0.93 1338 2.7240 2.9002 0.1762 132
20-Apr-15 27901 13908.75 13932.75 1440.00 35 35 35.0 23.9 1012 0.89 1274 2.7477 2.8556 0.1079 85
25-Apr-15 27920 13932.88 13956.88 1440.00 45 47 46.0 23.9 1017.1 1.13 1624 2.7221 2.9312 0.2091 129
30-Apr-15 27953 13956.89 13980.89 1440.00 44 47 45.5 24.8 1010.7 1.11 1592 2.8563 3.0369 0.1806 113
AM8 - Po Kat Tsai Village No. 4
8-Apr-15 27847 7731.11 7755.11 1440.00 39 40 39.5 22.1 1013.3 1.06 1526 2.8461 2.9380 0.0919 60
14-Apr-15 27888 7755.11 7779.11 1440.00 40 40 40.0 23.4 1011.8 1.07 1544 2.7416 2.8877 0.1461 95
20-Apr-15 27901 7779.11 7803.11 1440.00 40 40 40.0 23.9 1012 1.07 1542 2.7321 2.8165 0.0844 55
25-Apr-15 27922 7803.24 7827.24 1440.00 49 49 49.0 23.9 1017.1 1.37 1967 2.8686 2.9852 0.1166 59
30-Apr-15 27954 7827.25 7851.25 1440.00 49 50 49.5 24.8 1010.7 1.37 1979 2.8564 2.9609 0.1045 53
AM9b - Nam Wa Po Village House No. 80
8-Apr-15 27849 15270.55 15294.05 1410.00 34 34 34.0 22.1 1013.3 1.13 1592 2.8561 2.9808 0.1247 78
14-Apr-15 27861 15294.05 15318.05 1440.00 34 35 34.5 23.4 1011.8 1.14 1643 2.8496 3.0436 0.1940 118
20-Apr-15 27903 15318.05 15342.05 1440.00 34 34 34.0 23.9 1012 1.12 1620 2.7426 2.8224 0.0798 49
25-Apr-15 27924 15342.06 15366.06 1440.00 34 34 34.0 23 1017.1 1.04 1498 2.8581 2.9706 0.1125 75
30-Apr-15 27964 15366.06 15390.06 1440.00 38 40 39.0 24.8 1010.7 1.20 1727 2.8711 2.9610 0.0899 52

Agreement No. CE 45/2008 (CE) Liantang/Heung Yuen Wai Boundary Control Point and Associated Works

AUES

Monthly Environmental Monitoring & Audit Report (No.21) – April 2015

Construction Noise Monitoring Results, dB(A)

Date Start Time 1st Leq5min L10 L90 2nd Leq5min L10 L90 3nd Leq5min L10 L90 4th Leq5min L10 L90 5th Leq5min L10 L90 6th Leq5min L10 L90 Leq30 façade correction
NM1 - Tsung Yuen Ha Village House No. 63
9-Apr-15 14:26 53.3 56.2 49.8 54.6 55.7 49.5 55.3 57.5 51.1 53.7 56.6 50.2 52.2 54.1 49.3 53.5 55.4 50.3 54 NA
13-Apr-15 11:15 61.9 54.4 50.6 53.6 54.6 50.6 53.0 55.4 49.8 56.1 58.0 50.8 52.0 54.3 48.6 51.0 53.4 46.7 56 NA
18-Apr-15 13:10 50.3 52.0 47.9 50.7 52.4 47.9 53.0 54.2 51.0 53.7 54.4 51.1 53.2 53.9 51.0 61.9 60.9 52.0 56 NA
24-Apr-15 10:47 52.5 54.9 47.9 51.2 52.8 48.8 57.2 59.7 52.7 56.1 58.3 50.4 51.9 54.3 48.9 54.0 56.0 48.2 54 NA
29-Apr-15 13:08 50.4 51.6 47.2 52.9 55.7 49.1 51.6 54.4 48.0 51.8 54.4 48.1 51.4 53.8 48.7 50.0 52.3 47.3 51 NA
NM2 - Village House near Lin Ma Hang Road
9-Apr-15 15:27 58.1 58.9 52.7 60.5 60.8 52.8 60.0 59.0 51.9 59.3 59.7 52.2 60.2 62.7 53.0 58.2 61.7 52.8 59 NA
13-Apr-15 13:02 61.7 62.7 50.5 57.5 59.7 48.1 59.2 62.9 49.6 58.9 60.8 50.6 58.5 61.7 52.6 57.6 61.4 52.6 59 NA
18-Apr-15 13:01 64.1 66.0 51.5 60.0 62.0 50.5 59.1 59.0 53.0 58.9 62.0 52.5 56.4 57.0 52.5 59.9 61.0 52.0 60 NA
24-Apr-15 11:27 57.2 56.5 51.9 58.7 61.8 46.8 58.6 61.9 44.4 52.6 56.6 44.1 54.3 56.9 41.4 53.2 54.1 42.8 56 NA
29-Apr-15 13:54 57.7 59.2 50.4 60.6 65.6 50.7 58.7 60.9 49.8 59.0 60.2 53.5 60.7 62.4 53.4 57.2 57.4 52.0 59 NA
NM5– Ping Yeung Village House (façade facing northeast)
8-Apr-15 17:09 68.7 57.2 44.5 53.2 56.9 43.9 52.4 56.1 41.0 52.2 56.1 41.9 52.0 55.4 40.5 51.5 55.2 40.2 61 NA
14-Apr-15 13:39 52.6 55.9 44.1 54.7 56.9 46.8 60.9 62.2 55.7 59.9 62.4 55.6 59.5 62.6 55.9 58.8 61.0 55.7 59 NA
20-Apr-15 10:52 51.2 54.5 44.0 52.2 55.5 45.5 51.8 55.5 44.0 53.0 56.0 45.0 51.1 54.0 44.5 51.8 55.0 45.0 52 NA
25-Apr-15 14:36 53.2 56.7 44.4 52.1 55.5 44.4 52.3 55.2 44.7 52.0 55.6 46.1 52.4 56.3 44.5 51.8 55.2 45.4 52 NA
30-Apr-15 11:33 51.1 53.9 44.9 54.9 58.0 46.9 52.0 55.2 45.1 50.4 53.4 44.3 50.3 53.4 45.0 50.1 53.3 44.6 52 NA
NM6 – Tai Tong Wu Village House 2
8-Apr-15 14:51 59.1 62.7 47.1 60.5 63.8 52.7 59.8 63.8 51.1 60.8 64.6 50.9 59.5 63.1 49.4 58.6 62.3 49.8 60 NA
14-Apr-15 11:13 60.2 63.2 52.7 60.5 63.5 47.4 61.1 63.7 55.5 59.8 63.3 49.4 58.4 62.7 45.4 60.6 64.2 45.3 60 NA
20-Apr-15 11:32 60.2 63.4 51.3 62.0 64.0 51.4 58.5 62.3 48.1 60.2 63.2 53.8 60.2 63.5 51.1 59.5 62.9 45.4 60 NA
25-Apr-15 11:19 60.1 64.0 50.9 59.5 62.9 49.9 60.1 62.6 49.3 58.7 62.3 50.2 60.5 64.5 50.7 60.8 64.3 53.7 60 NA
30-Apr-15 11:00 62.0 65.3 57.1 59.3 63.2 51.9 60.6 63.6 52.4 59.5 63.0 49.8 60.7 63.7 54.2 60.4 63.5 53.1 61 NA
NM7 – Po Kat Tsai Village
8-Apr-15 14:08 63.9 67.9 58.4 63.4 67.1 56.7 61.7 66.1 54.8 59.5 62.5 54.5 60.3 63.0 56.0 59.8 63.3 54.7 62 NA
14-Apr-15 10:31 65.1 66.9 55.8 62.8 66.7 54.3 62.8 66.7 57.1 61.5 62.6 54.3 57.6 59.8 55.0 55.6 58.0 53.5 62 NA
20-Apr-15 10:52 59.5 60.3 55.6 63.3 65.1 54.4 60.4 64.1 55.4 65.1 66.4 56.1 63.3 65.5 54.5 60.9 60.9 54.9 63 NA
25-Apr-15 10:33 55.6 57.0 52.4 54.7 56.5 52.3 53.8 55.1 50.3 52.9 54.5 51.0 54.8 57.3 50.4 53.7 55.4 48.8 54 NA
30-Apr-15 10:20 61.8 65.6 55.5 63.0 67.0 56.2 71.6 71.9 56.1 64.4 67.8 56.4 57.9 58.3 55.4 67.1 64.6 57.1 66 NA
NM8 - Village House, Tong Hang
9-Apr-15 10:28 58.2 63.5 50.7 56.9 63.4 50.7 58.0 63.2 52.1 56.7 55.7 51.4 56.9 61.9 52.6 59.2 66.1 52.6 58 NA
13-Apr-15 14:05 56.2 55.9 51.2 55.2 58.1 50.5 57.3 59.8 52.4 57.5 62.3 50.3 58.1 63.8 49.8 57.6 62.5 51.3 57 NA
18-Apr-15 15:37 60.6 63.5 53.5 59.4 63.0 53.5 60.1 64.0 53.0 59.7 64.0 54.0 59.0 63.0 53.5 59.3 63.0 54.0 60 NA
24-Apr-15 14:09 60.3 60.5 52.5 57.9 61.0 53.5 58.9 62.5 52.0 59.1 62.0 53.5 9.1 62.5 53.5 59.5 62.0 54.0 58 NA
29-Apr-15 16:38 60.2 63.0 55.5 59.8 62.5 52.0 56.9 62.0 49.5 56.3 61.0 51.0 58.6 63.5 50.5 55.8 57.5 50.0 58 NA
NM9 - Village House, Kiu Tau Village
9-Apr-15 11:21 56.0 60.6 51.0 63.8 62.3 51.9 53.8 57.2 50.4 54.9 58.2 51.2 53.6 54.6 50.7 56.2 58.8 51.4 58 NA
13-Apr-15 15:23 59.3 62.5 51.1 56.8 61.0 50.8 57.0 61.7 50.9 58.2 61.9 51.7 55.5 58.3 51.5 58.4 61.8 53.7 58 NA

Agreement No. CE 45/2008 (CE) Liantang/Heung Yuen Wai Boundary Control Point and Associated Works

AUES

Monthly Environmental Monitoring & Audit Report (No.21) – April 2015

Date Start Time 1st Leq5min L10 L90 2nd Leq5min L10 L90 3nd Leq5min L10 L90 4th Leq5min L10 L90 5th Leq5min L10 L90 6th Leq5min L10 L90 Leq30 façade correction
18-Apr-15 16:28 60.1 63.0 57.0 60.8 63.5 57.0 59.4 62.0 56.0 59.1 61.0 56.0 59.6 63.0 54.5 56.2 58.5 54.0 59 NA
24-Apr-15 15:03 57.1 58.5 53.0 63.0 62.0 54.0 59.3 60.0 53.5 63.0 6.0 53.0 57.7 59.5 53.5 59.6 61.0 52.0 61 NA
29-Apr-15 17:21 52.4 55.7 50.9 53.4 55.8 51.9 57.1 61.6 52.2 57.0 59.8 51.5 54.4 56.6 52.0 54.7 59.2 52.5 55 NA
NM10 - Nam Wa Po Village House No. 80
9-Apr-15 9:52 61.5 62.8 59.7 62.0 64.3 57.8 59.7 61.7 56.8 61.0 64.2 57.3 60.6 63.0 57.8 60.2 62.3 57.3 61 64
13-Apr-15 16:00 60.3 61.8 58.5 61.7 64.1 59.3 60.3 61.8 58.3 61.2 63.8 57.5 63.1 66.2 59.6 62.1 64.1 59.6 62 65
18-Apr-15 16:23 68.9 72.9 63.6 69.3 73.7 63.6 69.2 74.7 61.3 66.8 69.8 61.1 67.6 71.5 61.5 67.6 71.7 61.4 68 71
24-Apr-15 15:07 62.1 64.0 59.0 61.4 63.0 8.5 60.9 62.5 57.5 62.8 65.5 58.0 60.3 62.0 58.5 64.2 67.0 58.0 62 65
29-Apr-15 17:41 54.2 55.9 51.8 54.6 55.7 53.4 54.9 55.9 53.3 53.7 54.9 52.0 56.0 58.5 53.5 54.4 55.9 52.5 55 58

Agreement No. CE 45/2008 (CE) Liantang/Heung Yuen Wai Boundary Control Point and Associated Works

AUES

Monthly Environmental Monitoring & Audit Report (No.21) – April 2015

Water Quality Monitoring Data for Contract 5

Date 1-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 10:36 0.41 23.3 23.3 6.34 6.3 74.4 73.5 12.8 12.6 8.6 8.6 10 10.0
23.3 6.18 72.6 12.3 8.6 10
WM1* 11:08 0.32 23.7 23.7 3.45 3.4 40.8 40.4 27.9 28.3 7.7 7.7 26 26.0
23.7 3.37 39.9 28.7 7.7 26
Date 9-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 14:44 0.41 17.9 17.9 4.56 4.6 48.1 48.0 190.0 195.5 7.4 7.4 94 93.0
17.9 4.54 47.8 201.0 7.4 92
WM1* 15:11 0.31 19.4 19.4 1.63 1.6 17.8 17.6 119.0 116.5 7.8 7.8 78 76.5
19.4 1.59 17.3 114.0 7.8 75
Date 11-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 10:39 0.67 17.3 17.3 8.24 8.2 85.9 85.4 874.0 864.5 8.7 8.7 368 374.5
17.3 8.17 84.8 855.0 8.7 381
WM1 11:14 0.28 16.9 16.9 6.85 6.8 70.8 70.7 601.0 605.5 7.6 7.6 262 263.0
16.9 6.83 70.6 610.0 7.6 264
Date 13-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 11:22 0.45 20.5 20.5 3.39 3.4 37.7 37.6 93.5 94.1 8.7 8.7 51 51.5
20.5 3.37 37.5 94.6 8.6 52
WM1* 12:16 0.31 19.9 19.9 2.05 2.0 22.5 22.4 162.0 161.0 7.5 7.5 98 100.0
19.9 2.02 22.2 160.0 7.5 102
Date 16-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 11:03 0.45 21.4 21.4 6 6.0 67.8 67.4 85.0 84.8 7.7 7.7 55 56.0

Agreement No. CE 45/2008 (CE) Liantang/Heung Yuen Wai Boundary Control Point and Associated Works

AUES

Monthly Environmental Monitoring & Audit Report (No.21) – April 2015

21.4 5.93 67.0 84.5 7.7 57
WM1 10:30 0.07 22.9 22.9 6.24 6.3 72.7 73.2 50.1 47.8 7.6 7.6 47 44.5
22.9 6.31 73.6 45.4 7.6 42
Date 18-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 13:16 0.19 25.1 25.1 4.58 4.5 55.6 55.1 54.5 53.9 8.6 8.6 43 42.5
25.1 4.5 54.5 53.3 8.6 42
WM1 13:45 0.34 28.2 28.2 8.01 8.0 102.8 102.7 82.4 82.6 8.2 8.2 81 83.0
28.2 7.99 102.5 82.8 8.2 85
Date 20-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 16:48 0.26 27.3 27.3 6.4 6.4 68.1 68.2 39.8 39.7 7.3 7.3 29 31.0
27.3 6.4 68.2 39.6 7.3 33
WM1 17:09 0.11 28.5 28.5 2.72 2.7 35.2 35.2 181.0 183.0 7.9 7.9 165 174.0
28.5 2.72 35.1 185.0 7.9 183
Date 22-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 10:15 0.26 23.2 23.2 5.52 5.6 64.7 66.0 34.9 34.6 8.1 8.1 23 28.0
23.2 5.74 67.2 34.3 8.1 33
WM1 11:11 0.14 24.5 24.5 2.74 2.7 33.0 32.8 188.0 187.0 8 8.0 165 174.0
24.5 2.7 32.5 186.0 8 183
Date 24-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 11:05 0.29 24.5 24.5 6.63 6.6 79.5 79.1 34.7 34.8 7.3 7.3 22 21.0
24.5 6.56 78.7 34.9 7.3 20
WM1* 11:20 0.34 29.3 29.3 6.02 6.0 78.8 78.7 99.0 97.5 7.8 7.8 104 104.0
29.3 6 78.5 96.0 7.8 104

Agreement No. CE 45/2008 (CE) Liantang/Heung Yuen Wai Boundary Control Point and Associated Works

AUES

Monthly Environmental Monitoring & Audit Report (No.21) – April 2015

Date 27-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 13:21 0.38 30.9 30.9 7.79 7.7 104.7 104.0 58.2 58.2 7.5 7.5 44 45.0
30.9 7.68 103.3 58.2 7.5 46
WM1* 14:05 0.43 30.2 30.2 6.63 6.6 88.2 88.3 94.2 94.5 8 8.0 64 63.5
30.2 6.65 88.4 94.7 8 63
Date 29-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 13:01 0.37 30 30.0 6.73 6.7 89.0 88.9 33.2 33.0 7.1 7.1 24 24.0
30 6.71 88.8 32.8 7.1 24
WM1* 14:35 0.23 29.5 29.5 7.84 7.9 103.1 103.3 44.7 45.1 7.6 7.6 16 17.0
29.5 7.87 103.5 45.4 7.6 18

Remark: * monitoring was conducted at box culvert 2 for reference.

Agreement No. CE 45/2008 (CE) Liantang/Heung Yuen Wai Boundary Control Point and Associated Works

AUES

Monthly Environmental Monitoring & Audit Report (No.21) – April 2015

Water Quality Monitoring Data for Contract 2 and 3

Date 1-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 13:54 0.08 25.6 25.6 5.79 5.8 70.8 71.1 5.8 5.7 8.1 8.1 7 7.0
25.6 5.83 71.3 5.63 8.1 7
WM4-CB 14:36 0.21 26.2 26.2 2.78 2.7 34.5 33.6 6.77 6.7 7.8 7.8 7 7.5
26.2 2.63 32.6 6.65 7.8 8
WM4 13:29 0.22 26 26.0 2.6 2.6 38.8 38.7 5.93 5.9 7.3 7.3 5 5.5
26 2.6 38.6 5.87 7.3 6
Date 3-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 13:18 0.07 24.4 24.4 4.61 4.6 55.2 55.1 6.0 6.0 7.7 7.7 3 3.0
24.4 4.59 55.0 6.0 7.7 3
WM4-CB 12:18 0.18 25.2 25.2 1.75 1.7 21.3 21.1 6.0 5.9 7.8 7.8 3 3.0
25.1 1.72 20.9 5.7 7.8 3
WM4 12:49 0.22 25 25.0 2.24 2.2 27.2 26.8 7.6 7.5 7.3 7.3 6 6.0
25 2.18 26.3 7.3 7.3 6
Date 6-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 11:22 0.07 24 24.0 5.01 5.0 60.0 59.7 4.1 4.1 7.6 7.6 4 3.5
24 4.95 59.3 4.2 7.6 3
WM4-CB 10:16 0.20 24.6 24.6 1.63 1.6 19.8 19.6 5.4 5.5 7.4 7.4 4 4.0
24.6 1.59 19.3 5.5 7.4 4
WM4 10:51 0.23 24.3 24.4 2.37 2.3 28.7 28.0 5.7 5.8 7.3 7.3 13 12.5
24.4 2.26 27.3 5.9 7.3 12
Date 9-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 11:49 0.08 20.4 20.4 5.26 5.2 58.3 58.1 7.5 7.4 7.6 7.6 7 7.0
20.3 5.22 57.8 7.3 7.6 7
WM4-CB 10:06 0.26 19.9 19.9 2.07 2.1 22.8 22.6 9.6 9.8 7.7 7.7 5 4.5

Agreement No. CE 45/2008 (CE) Liantang/Heung Yuen Wai Boundary Control Point and Associated Works

AUES

Monthly Environmental Monitoring & Audit Report (No.21) – April 2015

19.9 2.03 22.3 10.1 7.6 4
WM4 11:06 0.33 21.5 21.5 4.94 4.9 56.0 55.8 13.7 13.6 7.3 7.4 13 12.5
21.5 4.9 55.6 13.4 7.4 12
Date 11-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 15:13 0.12 18.7 18.7 5.37 5.3 57.6 57.2 13.9 13.8 7.8 7.8 11 11.5
18.7 5.3 56.8 13.7 7.8 12
WM4-CB 15:49 0.41 19.5 19.5 4.58 4.5 49.9 49.2 18.0 17.8 7.6 7.6 11 10.5
19.5 4.45 48.5 17.6 7.6 10
WM4 14:47 0.38 18.2 18.2 5.95 5.9 63.2 62.7 31.6 31.2 7.8 7.8 29 30.0
18.2 5.86 62.2 30.8 7.8 31
Date 13-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 15:21 0.08 24.1 24.1 6.71 6.7 79.9 79.5 4.6 4.7 7.9 7.9 4 4.5
24.1 6.64 79.0 4.9 7.9 5
WM4-CB 16:15 0.24 25.2 25.2 2.97 2.9 36.1 35.7 7.7 7.6 7.6 7.6 6 6.0
25.2 2.89 35.2 7.6 7.5 6
WM4 14:50 0.23 26.2 26.2 5.08 5.1 62.9 62.7 11.0 10.9 7.3 7.3 10 9.5
26.2 5.04 62.5 10.7 7.3 9
Date 16-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 13:22 0.08 26.5 26.5 7.06 7.1 87.9 87.8 5.8 5.8 8 8.0 7 8.5
26.5 7.04 87.6 5.9 8 10
WM4-CB 13:00 0.23 27.5 27.5 4.66 4.7 59.1 59.0 6.6 6.6 7.7 7.7 5 6.0
27.5 4.65 58.9 6.7 7.7 7
WM4 12:55 0.22 27 27.0 6.38 6.4 80.1 80.4 18.8 19.1 7.6 7.6 24 24.0
27 6.43 80.7 19.4 7.6 24
Date 18-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)

Agreement No. CE 45/2008 (CE) Liantang/Heung Yuen Wai Boundary Control Point and Associated Works

AUES

Monthly Environmental Monitoring & Audit Report (No.21) – April 2015

WM4-CA 15:58 0.08 24.8 24.8 5.04 5.1 60.8 61.1 5.7 5.7 7.8 7.8 4 4.0
24.8 5.09 61.4 5.7 7.8 4
WM4-CB 16:30 0.23 25.5 25.5 1.94 1.9 23.7 23.5 8.4 8.7 7.6 7.6 8 8.0
25.5 1.91 23.3 9.0 7.6 8
WM4 15:40 0.21 26.4 26.4 4.64 4.7 57.6 58.0 19.3 18.9 7.4 7.4 23 23.5
26.4 4.71 58.4 18.5 7.4 24
Date 20-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 15:08 0.08 26.5 26.5 5.32 5.4 66.2 66.8 3.5 3.3 7.7 7.7 <2 2.0
26.5 5.4 67.3 3.1 7.7 <2
WM4-CB 15:27 0.24 27.7 27.7 3.81 3.9 48.5 49.0 7.3 7.1 7.3 7.3 10 10.0
27.7 3.89 49.5 7.0 7.3 10
WM4 14:47 0.22 27.1 27.1 4.74 4.8 59.6 59.9 13.1 13.5 7.9 7.9 20 19.5
27.1 4.78 60.2 13.8 7.9 19
Date 22-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 16:42 0.08 24.5 24.6 6.18 6.1 74.1 73.5 4.5 4.6 7.7 7.7 <2 2.0
24.6 6.07 72.9 4.7 7.7 <2
WM4-CB 17:06 0.19 25.7 25.7 2.56 2.5 34.1 32.4 7.2 7.2 7.6 7.6 10 10.0
25.7 2.49 30.6 7.3 7.6 10
WM4 17:51 0.24 25.3 25.3 4.18 4.2 50.9 50.5 11.6 11.5 7.3 7.3 20 19.5
25.3 4.12 50.1 11.4 7.3 19
Date 24-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 16:56 0.09 25.6 25.6 7.04 7.0 86.1 85.8 2.9 2.9 7.8 7.8 3 3.0
25.6 6.98 85.4 3.0 7.8 3
WM4-CB 15:49 0.26 27.7 27.7 4.72 4.6 60.0 59.1 10.7 10.4 7.6 7.6 10 9.0
27.7 4.57 58.1 10.1 7.6 8
WM4 16:28 0.28 27.8 27.8 4.25 4.3 54.0 54.6 11.4 11.4 7.4 7.4 15 15.0
27.8 4.33 55.2 11.3 7.4 15

Agreement No. CE 45/2008 (CE) Liantang/Heung Yuen Wai Boundary Control Point and Associated Works

AUES

Monthly Environmental Monitoring & Audit Report (No.21) – April 2015

Date 27-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 17:36 0.07 26.3 26.3 3.83 3.9 47.4 48.0 5.0 5.0 7.6 7.6 5 5.0
26.3 3.92 48.5 5.0 7.6 5
WM4-CB 17:50 0.21 27.1 27.1 1.12 1.1 14.1 14.2 5.4 5.6 7 7.0 6 6.0
27.1 1.13 14.2 5.7 7 6
WM4 17:16 0.22 27.8 27.8 3.38 3.4 43.0 43.0 10.5 10.3 7.3 7.3 10 10.5
27.8 3.37 42.9 10.1 7.3 11
Date 29-Apr-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 17:28 0.07 27.5 27.5 3.16 3.2 40.0 40.0 4.6 4.6 7.5 7.5 5 4.5
27.4 3.15 39.9 4.6 7.5 4
WM4-CB 17:58 0.23 27.5 27.5 1.07 1.1 13.5 13.4 6.4 6.5 6.9 6.9 8 8.5
27.5 1.05 13.3 6.6 6.9 9
WM4 17:02 0.25 29 29.0 3.67 3.6 47.0 46.8 9.6 9.5 7.4 7.4 15 16.0
29 3.57 46.5 9.5 7.3 17