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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017 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) MI N MAX AVG (℃) (hPa) (m3/min) (std m3) INITIAL FINAL (g)
AM1b – Open Area, Tsung Yuen Ha Village
5-Apr-17 20757 12890.39 12914.57 1450.80 50 50 50.0 23.4 1014.8 1.72 2498 2.8358 3.0433 0.2075 83
11-Apr-17 20791 12914.57 12938.75 1450.80 50 50 50.0 26.1 1007.7 1.71 2475 2.8212 2.9835 0.1623 66
17-Apr-17 20839 12938.75 12962.89 1448.40 48 48 48.0 26 1010.9 1.63 2361 2.8160 3.0046 0.1886 80
22-Apr-17 20888 12962.89 12986.97 1444.80 48 48 48.0 20.6 1012.9 1.55 2237 2.7964 2.9703 0.1739 78
28-Apr-17 20895 12986.97 13011.12 1449.00 48 48 48.0 21.8 1015.2 1.55 2241 2.8019 2.9750 0.1731 77
AM2 - Village House near Lin Ma Hang Road
5-Apr-17 20756 8403.00 8427.14 1448.40 34 34 34.0 23.4 1014.8 0.95 1370 2.8349 3.0064 0.1715 125
11-Apr-17 20789 8427.14 8450.89 1425.00 35 35 35.0 26.1 1007.7 0.97 1382 2.8289 2.9630 0.1341 97
17-Apr-17 20840 8450.89 8474.71 1429.20 40 40 40.0 26 1010.9 1.14 1630 2.8179 2.9473 0.1294 79
22-Apr-17 20887 8474.71 8498.47 1425.60 40 40 40.0 20.6 1012.9 1.07 1531 2.8003 2.9726 0.1723 113
28-Apr-17 20896 8498.47 8522.07 1416.00 40 40 40.0 21.8 1015.2 1.07 1519 2.7776 2.9962 0.2186 144
AM3 - Ta Kwu Ling Fire Service Station of Ta Kwu Ling Village
5-Apr-17 20755 9548.17 9572.21 1442.40 42 42 42.0 23.4 1014.8 1.12 1613 2.8175 2.9971 0.1796 111
11-Apr-17 20790 9572.21 9596.21 1440.00 38 38 38.0 26.1 1007.7 0.95 1372 2.8186 2.9613 0.1427 104
17-Apr-17 20837 9596.21 9620.21 1440.00 34 34 34.0 26 1010.9 0.80 1155 2.8217 2.9339 0.1122 97
22-Apr-17 20846 9620.21 9644.22 1440.60 36 36 36.0 20.6 1012.9 0.88 1267 2.8460 2.9951 0.1491 118
28-Apr-17 AM4b - Ho6-Apr-17 20913 use no. 10B1 20759 9644.22 Nga Yiu H11553.49 9668.22 a Village 11577.49 1440.00 1440.00 36 44 36 44 36.0 44.0 21.8 23.5 1015.2 1012.5 0.88 1.25 1265 1798 2.8032 2.8437 2.9735 2.9407 0.1703 0.0970 135 54
12-Apr-17 20795 11577.49 11601.49 1440.00 44 44 44.0 20.6 1013.2 1.26 1808 2.8115 2.8943 0.0828 46
18-Apr-17 20841 11601.49 11625.49 1440.00 43 43 43.0 26.7 1008.9 1.21 1745 2.8248 2.9976 0.1728 99
24-Apr-17 20894 11625.49 11649.50 1440.60 40 40 40.0 21.5 1014.3 1.11 1605 2.8001 2.9162 0.1161 72
29-Apr-17 AM5a - Pin6-Apr-17 20919 g Yeung Vill20760 11649.50 age House 9399.64 11673.50 9423.64 1440.00 1440.00 44 48 44 48 44.0 48.0 23 23.5 1014.4 1012.5 1.23 1.55 1772 2232 2.8117 2.8369 2.9377 2.9588 0.1260 0.1219 71 55
12-Apr-17 20796 9423.64 9447.64 1440.00 48 48 48.0 20.6 1013.2 1.56 2242 2.8340 2.9780 0.1440 64
18-Apr-17 20842 9447.64 9471.65 1440.60 48 48 48.0 26.7 1008.9 1.54 2219 2.8100 3.0496 0.2396 108
24-Apr-17 20893 9471.65 9495.65 1440.00 48 48 48.0 21.5 1014.3 1.47 2119 2.7907 2.9607 0.1700 80
29-Apr-17 AM6 - Wo 6-Apr-17 20916 20761 Keng Shan V 9495.65 7981.76 illage Hou 9519.66 8005.78 se 1440.60 1441.20 48 55 48 55 48.0 55.0 23 23.5 1014.4 1012.5 1.47 1.57 2115 2264 2.8174 2.8110 2.9518 3.1385 0.1344 0.3275 64 145
12-Apr-17 20794 8005.78 8029.78 1440.00 60 60 60.0 20.6 1013.2 1.70 2442 2.7988 3.1004 0.3016 124

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017

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) MI N MAX AVG (℃) (hPa) (m3/min) (std m3) INITIAL FINAL (g)
18-Apr-17 20843 8029.78 8053.78 1440.00 60 60 60.0 26.7 1008.9 1.68 2417 2.8061 3.1225 0.3164 131
24-Apr-17 20892 8053.78 8077.79 1440.60 60 60 60.0 21.5 1014.3 1.62 2330 2.7920 3.0861 0.2941 126
29-Apr-17 20917 8077.79 8101.79 1440.00 60 60 60.0 23.0 1014.4 1.61 2324 2.8111 3.1523 0.3412 147
AM7b - Loi Tung Village House
6-Apr-17 20762 17028.60 17052.60 1440.00 40 40 40.0 23.5 1012.5 1.03 1489 2.8321 2.8862 0.0541 36
12-Apr-17 20792 17052.60 17076.60 1440.00 34 34 34.0 20.6 1013.2 0.85 1231 2.8246 2.9004 0.0758 62
18-Apr-17 20844 17076.60 17100.60 1440.00 38 38 38.0 26.7 1008.9 0.96 1388 2.8100 2.9802 0.1702 123
24-Apr-17 20891 17100.60 17124.61 1440.60 39 39 39.0 21.5 1014.3 0.95 1365 2.7870 2.9040 0.1170 86
29-Apr-17 20918 17124.61 17148.61 1440.00 38 40 39.0 23 1014.4 0.94 1360 2.8243 2.9437 0.1194 88
AM8 - Po Kat Tsai Village No. 4
6-Apr-17 20785 10925.23 10949.22 1439.40 42 42 42.0 23.5 1012.5 1.15 1648 2.7843 2.8759 0.0916 56
12-Apr-17 20793 10949.23 10973.24 1440.60 40 40 40.0 20.6 1013.2 1.09 1576 2.8197 2.9880 0.1683 107
18-Apr-17 20845 10973.24 10997.24 1440.00 35 35 35.0 26.7 1008.9 0.94 1353 2.8128 2.9530 0.1402 104
24-Apr-17 20890 10997.24 11021.24 1440.00 34 34 34.0 21.5 1014.3 0.87 1254 2.7926 2.9012 0.1086 87
29-Apr-17 20915 11021.24 11045.24 1440.00 38 38 38.0 23 1014.4 0.98 1409 2.8076 2.9436 0.1360 97
AM9b - Nam Wa Po Village House No. 80
5-Apr-17 20758 18304.45 18328.45 1440.00 30 30 30.0 23.4 1014.8 0.92 1329 2.8390 2.8852 0.0462 35
11-Apr-17 20788 18328.45 18352.45 1440.00 32 34 33.0 26.1 1007.7 1.02 1473 2.8018 2.8678 0.0660 45
17-Apr-17 20838 18352.45 18376.45 1440.00 32 36 34.0 26 1010.9 1.06 1528 2.8090 2.8691 0.0601 39
22-Apr-17 20889 18376.45 18400.45 1440.00 30 32 31.0 20.6 1012.9 0.90 1297 2.7988 2.8629 0.0641 49
28-Apr-17 20914 18400.45 18424.46 1440.60 28 28 28.0 21.8 1015.2 0.80 1148 2.8082 2.8477 0.0395 34

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017 Construction Noise Monitoring Results, dB(A)

Date Start Time 1st Leq5mi n 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
6-Apr-17 9:30 58.4 61.4 52.4 59.2 62.0 54.2 58.9 61.5 54.3 62.2 63.2 54.9 62.1 63.7 54.6 62.8 65.7 56.6 61 NA
12-Apr-17 9:44 58.9 60.5 56.5 61.7 64.5 56.5 60.6 63.5 55.5 60.4 63.0 55.5 60.2 62.5 50.0 60.8 63.5 55.5 61 NA
18-Apr-17 9:28 57.1 58.5 52.0 55.0 57.0 51.0 55.1 57.5 50.5 55.4 58.0 50.5 56.1 58.0 52.5 57.1 59.0 53.0 56 NA
24-Apr-17 10:07 53.5 55.5 48.5 54.8 56.0 49.0 53.8 56.0 49.5 54.4 56.0 51.5 55.7 58.5 50.5 54.5 56.0 50.0 55 NA
NM2a - Village House near Lin Ma Hang Road
6-Apr-17 10:09 75.4 67.9 64.4 65.3 65.8 63.9 64.7 65.5 63.6 65.2 66.7 63.7 76.8 69.1 63.3 65.1 66.5 63.3 72 75
12-Apr-17 10:32 66.9 69.5 57.5 66.2 68.5 55.0 67.0 70.5 55.5 66.0 69.5 56.5 66.0 67.5 56.5 66.9 70.0 55.5 67 70
18-Apr-17 10:13 67.1 69.5 58.0 66.2 69.0 60.0 65.4 68.0 60.0 68.8 71.0 57.5 69.2 72.5 60.5 69.2 72.5 60.0 68 71
24-Apr-17 9:21 64.6 67.0 60.0 63.8 66.0 60.5 64.1 66.0 60.5 64.8 67.5 61.0 65.8 69.0 61.5 63.2 65.5 58.5 64 67
NM3 - Ping Yeung Village House
7-Apr-17 9:34 54.5 56.6 45.9 55.8 59.5 47.8 58.5 61.7 50.8 54.9 56.8 49.1 55.6 59.2 48.9 58.2 61.0 50.7 57 NA
13-Apr-17 9:47 57.7 59.5 55.6 58.6 60.3 55.9 58.4 59.8 56.1 58.4 60.2 56.6 58.9 59.9 56.8 61.1 62.1 57.2 59 NA
19-Apr-17 10:33 57.8 59.4 55.5 58.7 60.4 56.0 58.4 59.7 56.2 58.4 60.3 56.7 59.0 60.0 56.8 60.2 61.0 57.3 59 NA
25-Apr-17 9:26 66.9 69.8 59.1 62.2 65.4 59.0 63.1 64.9 59.3 62.8 65.1 59.2 64.1 65.5 58.4 62.1 63.7 57.4 64 NA
NM4 - Wo Keng Shan Village House
7-Apr-17 10:08 64.6 65.5 50.3 64.4 65.3 50.1 62.1 64.5 49.1 64.1 65.3 50.1 62.0 59.6 49.9 61.1 58.9 48.9 63 NA
13-Apr-17 9:10 62.5 66.3 63.1 61.7 64.1 54.2 62.5 63.4 53.9 62.9 62.9 54.1 60.0 62.1 53.9 62.2 65.1 54.4 62 NA
19-Apr-17 11:05 62.5 66.0 51.9 61.7 63.6 51.3 60.4 60.7 54.1 61.9 61.2 52.7 62.3 63.6 52.6 61.2 62.6 51.4 62 NA
25-Apr-17 10:00 64.3 65.5 50.1 62.9 64.7 49.9 64.7 65.2 50.4 65.6 67.7 50.8 63.8 59.7 51.9 66.8 69.8 52.3 65 NA
NM5– Ping Yeung Village House
7-Apr-17 10:45 56.2 57.6 51.1 55.3 57.2 50.2 56.8 60.2 50.3 53.3 56.1 49.9 53.5 55.6 50.2 55.0 58.1 49.4 55 NA
13-Apr-17 10:30 51.3 53.8 47.1 51.2 53.7 47.3 53.3 56.5 48.0 52.7 54.9 47.8 53.6 56.1 48.0 52.4 55.9 47.6 53 NA
19-Apr-17 11:41 51.7 54.0 47.1 51.3 53.8 47.5 53.3 56.6 48.0 52.8 55.1 47.9 53.3 56.1 48.2 52.3 55.8 47.7 53 NA
25-Apr-17 10:35 51.8 54.1 47.3 51.3 53.7 47.4 53.1 55.9 47.9 52.9 55.0 47.8 53.8 56.1 48.1 52.3 55.8 47.8 53 NA
NM6 – Tai Tong Wu Village House 2
7-Apr-17 11:20 58.8 61.1 54.2 59.2 60.8 53.2 56.4 59.4 51.8 57.3 60.4 51.0 55.7 58.1 52.1 57.4 59.4 54.2 58 NA
13-Apr-17 11:05 59.9 62.4 53.9 62.0 63.1 49.8 63.1 68.0 49.3 60.8 64.1 50.8 59.9 62.9 50.1 61.8 64.2 50.9 61 NA
19-Apr-17 12:14 59.8 62.3 53.7 62.0 65.2 49.8 62.7 67.0 48.3 60.7 64.1 50.7 59.5 62.6 49.9 61.6 64.6 50.7 61 NA
25-Apr-17 11:09 58.8 61.7 53.1 59.2 61.8 54.1 60.8 62.8 54.9 59.1 63.1 53.9 58.7 62.8 54.2 58.8 63.2 54.7 59 NA
NM7 – Po Kat Tsai Village
7-Apr-17 13:00 58.1 60.1 56.1 59.4 61.3 55.3 60.1 63.1 55.5 61.0 63.2 56.0 59.9 62.4 55.6 58.9 60.4 55.9 60 NA

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017

Date Start Time 1st Leq5mi n 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
13-Apr-17 13:00 54.7 57.7 51.6 55.0 57.3 51.8 60.1 58.9 52.0 55.5 56.8 51.7 55.3 55.9 49.9 55.9 56.1 51.1 57 NA
19-Apr-17 12:53 55.1 57.8 51.6 55.1 57.3 51.5 54.2 55.9 49.9 55.5 56.8 50.6 54.6 55.8 49.8 56.0 56.7 50.9 55 NA
25-Apr-17 12:46 63.4 65.4 58.7 63.1 65.9 59.5 68.1 69.8 61.3 64.3 67.1 59.9 64.8 67.2 59.2 64.4 66.8 57.7 65 NA
NM8 - Village House, Tong Hang
6-Apr-17 10:07 59.6 65.2 50.4 57.8 61.6 50.1 58.9 64.8 49.6 57.9 63.4 48.8 59.4 65.5 48.5 57 58.7 48 59 NA
10-Apr-17 9:25 53.6 55.2 51 56.8 56.6 51.5 54.4 56.8 51.7 55.5 57 52.5 57.6 58.5 52.6 55.5 56.7 51.5 56 NA
18-Apr-17 9:49 58.5 63.2 47 59.7 63.7 47.5 60.8 66.6 48.3 59.6 65.8 48.5 57.5 58.5 48.3 60.9 66.5 47 60 NA
24-Apr-17 13:01 61.3 64.7 56 62.1 64.9 56.7 61.7 64.8 56.3 60.1 63.3 56.1 60.7 63.7 56.8 61 64.1 56.8 61 NA
NM9 - Village House, Kiu Tau Village
6-Apr-17 10:51 61.6 64.1 58.2 60.5 63.7 58.7 61.6 64.5 58.5 60.9 62.0 58.0 62.8 65.4 58.5 61.9 63.5 58.6 62 NA
10-Apr-17 10:18 64.1 66.7 61.4 65.7 67.9 62.9 66.7 69.0 63.0 65.8 68.5 62.2 66.4 69.4 63.7 65.6 68.7 62.0 66 NA
18-Apr-17 10:33 61.8 64.5 58.0 60.9 63.7 58.6 62.5 65.5 58.8 60.5 61.6 58.7 62.7 63.9 59.0 63.5 64.5 60.5 62 NA
24-Apr-17 13:37 63.4 67.5 59.4 65.1 68.4 59.0 64.7 68.8 59.7 62.1 65.7 58.4 62.7 65.8 58.5 63.0 67.9 59.1 64 NA
NM10 - Nam Wa Po Village House No. 80
6-Apr-17 11:36 62.8 63.6 60.1 61.8 62.9 59.8 61.5 63.5 60.3 62.7 63.3 60.5 62.6 63.3 60.6 62.5 63.5 60.0 62 65
10-Apr-17 11:00 60.7 61.9 59.0 61.2 62.6 59.2 61.6 63.2 59.6 60.4 62.7 59.5 61.7 62.4 60.3 60.6 61.1 59.2 61 64
18-Apr-17 11:18 60.6 61.3 59.0 61.3 62.5 59.1 61.4 63.7 59.5 62.5 64.0 59.1 62.9 64.5 60.5 63.2 65.3 60.9 62 65
24-Apr-17 14:15 61.4 64.3 57.7 62.5 65.1 57.6 61.5 64.5 57.7 60.7 63.9 58.0 63.1 66.7 59.1 51.1 63.8 58.5 61 64

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017 Noise Monitoring Results for Restricted Hour, dB(A)

Evening Time Night Time
Date NM1 - Tsung Yuen Ha V7-Apr-17 Start Time illage House 22:07 Leq5minNo. 63 47 L10 51 L90 42 façade correction Leq5min NA Date -- Start Time -- Leq5min-- L10 -- L90 -- façade correction Leq5min --
NM4 - Wo Keng Shan Village House
7-Apr-17 22:30 58 53 42 NA -- -- -- -- -- --
NM5– Ping Yeung Village House
7-Apr-17 22:47 59 47 40 NA 7-Apr-17 23:02 44 47 41 NA
NM7 – Po Kat Tsai Village
7-Apr-17 21:44 58 58 54 NA 7-Apr-17 23:26 56 58 53 NA
NM8 - Village House, Tong Hang
7-Apr-17 21:11 59 53 47 NA 7-Apr-17 23:54 60 65 48 NA

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017 Water Quality Monitoring Data for Contract 6 and SS C505

Date 1-Apr-17#
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 9:27 0.34 351.0 355.0 199 199.0
359.0
WM1 9:38 0.26 409.0 414.5 216 216.0
420.0
Date 3-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 9:50 0.34 19.5 19.5 6.04 6.1 65.7 65.8 60.9 60.8 9.5 9.5 74 75.5
19.5 6.06 65.9 60.7 9.5 77
WM1 10:00 0.26 20.7 20.7 8.22 8.2 91.7 92.0 61.9 57.3 9.2 9.2 50 48.0
20.7 8.25 92.3 52.7 9.2 46
Date 6-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 9:55 0.34 24 24.0 5.16 5.2 61.1 61.2 48.9 49.3 8.4 8.4 48 45.0
24 5.17 61.2 49.7 8.4 42
WM1 10:05 0.26 23.7 23.7 6.87 6.9 81.1 81.2 59.0 59.0 8.2 8.2 39 37.5
23.7 6.89 81.3 58.9 8.2 36
Date 8-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 9:50 0.34 24.3 24.4 6.53 6.6 78.2 78.8 75.8 76.6 8.6 8.6 107 104.0
24.4 6.6 79.3 77.4 8.6 101
WM1 9:59 0.17 25.5 25.6 7.81 7.9 95.6 96.1 84.7 85.1 8.3 8.3 79 83.0
25.7 7.89 96.6 85.5 8.3 87
Date 10-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 10:10 0.34 26 26.0 5.13 5.1 62.7 62.8 76.2 75.9 7.9 7.9 80 81.0
26 5.14 62.9 75.5 7.9 82
WM1 10:25 0.26 26.2 26.2 4.95 4.9 59.7 59.7 77.1 77.3 6.6 6.6 60 61.5
26.2 4.94 59.6 77.5 6.6 63
Date 12-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 9:45 0..34 23 23.0 5 5.0 58.1 57.8 66.8 65.8 8.9 8.9 88 90.0
23 4.97 57.5 64.8 8.9 92
WM1 9:55 0.26 21.5 21.5 7.6 7.6 86.0 86.1 40.5 40.1 8.5 8.5 40 42.0
21.5 7.61 86.1 39.6 8.5 44

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017

Date 14-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 9:25 0.34 19 19.0 6.21 6.2 66.8 66.9 343.0 347.5 8.5 8.5 167 173.0
19 6.23 66.9 352.0 8.5 179
WM1 9:35 0.26 19.5 19.5 7.07 7.1 77.0 77.1 365.0 361.5 8.9 8.9 169 172.5
19.5 7.08 77.2 358.0 8.9 176
Date 18-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 10:10 0.26 27.5 27.5 3.72 3.7 46.8 46.9 69.8 67.5 8.8 8.8 52 50.0
27.5 3.74 47.0 65.1 8.8 48
WM1 10:20 0.34 27.5 27.5 5.44 5.4 68.9 68.8 75.9 75.1 7.9 7.9 65 63.0
27.5 5.43 68.7 74.3 7.9 61
Date 20-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 9:30 0.34 27.3 27.3 4.53 4.6 57.3 57.6 188.0 185.0 8.3 8.3 256 262.0
27.3 4.57 57.8 182.0 8.3 268
WM1 9:40 0.26 26.5 26.5 5.19 5.1 64.7 63.6 90.0 86.3 7.7 7.7 42 40.5
26.5 5.05 62.5 82.5 7.7 39
Date 22-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 9:01 0.34 21.2 21.2 7.48 7.5 84.2 84.7 77.7 78.1 8.5 8.5 55 54.0
21.2 7.53 85.1 78.4 8.5 53
WM1 9:23 0.18 21.3 21.3 6.89 6.9 77.8 78.1 609.0 621.5 8.2 8.2 590 569.0
21.3 6.93 78.4 634.0 8.2 548
Date 24-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 11:33 0.34 22.3 22.3 6.25 6.2 71.3 71.0 368.0 366.0 8 8.0 169 170.5
22.3 6.2 70.6 364.0 8 172
WM1 11:20 0.26 22.9 22.9 5.4 5.4 62.8 62.5 169.0 175.5 7.7 7.7 145 145.0
22.9 5.35 62.1 182.0 7.7 145
Date 25-Apr-17#
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 9:45 0.34 69.2 69.0 45 45.0
68.8 45
WM1 9:57 0.26 134.0 135.0 91 91.0
136.0 91

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017

Date 26-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 9:30 0.34 23.3 23.3 6.16 6.2 71.7 71.9 223.0 224.5 8.9 8.9 87 96.0
23.3 6.17 72.1 226.0 8.9 105
WM1 9:40 0.26 23.9 23.9 5.04 5.0 59.7 59.2 315.0 315.5 8.3 8.3 147 140.5
23.9 4.98 58.7 316.0 8.3 134
Date 27-Apr-17#
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 9:50 0.35 304.0 297.5 346 346.0
291.0
WM1 10:00 0.26 171.0 171.5 106 106.0
172.0
Date 28-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 9:30 0.34 21.4 21.4 6.52 6.5 72.2 72.6 112.0 112.5 9 9.0 129 124.5
21.4 6.51 72.9 113.0 9 120
WM1 9:43 0.26 21.8 21.8 6.36 6.4 72.3 72.3 135.0 130.0 8.5 8.5 76 79.0
21.8 6.34 72.2 125.0 8.5 82

Remarks: # Additional water quality monitoring for the parameters with Action/Limit Level exceedance triggered only.

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017 Water Quality Monitoring Data for Contract 2 and 3

Date 3-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 11:30 0.18 24 24.0 8.47 8.5 100.7 100.9 7.9 7.2 7.7 7.7 5 7.5
24 8.49 101.0 6.5 7.7 10
WM4-CB 11:40 0.31 24.3 24.3 6.32 6.3 76.0 76.2 16.3 16.2 7.5 7.5 14 14.0
24.3 6.34 76.3 16.1 7.5 14
WM4 11:20 0.15 22.1 22.1 7.77 7.8 89.1 89.4 11.8 11.7 7.9 7.9 12 12.0
22.1 7.79 89.7 11.5 7.9 12
Date 6-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 12:15 0.18 23.7 23.7 7.78 7.8 91.8 91.9 5.4 5.4 8.2 8.2 5 4.5
23.7 7.79 91.9 5.4 8.2 4
WM4-CB 12:35 0.31 24.6 24.6 4.74 4.8 56.9 57.0 19.5 19.2 7.8 7.8 32 32.0
24.6 4.76 57.1 18.9 7.8 32
WM4 12:05 0.15 24 24.0 6.38 6.4 75.7 75.8 7.8 7.8 8.3 8.3 8 8.0
24 6.39 75.8 7.9 8.3 8
Date 8-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 12:19 0.18 26.1 26.1 8.28 8.3 101.9 102.1 8.2 8.3 7.3 7.3 4 3.5
26.1 8.3 102.3 8.3 7.3 3
WM4-CB 12:37 0.35 26.1 26.1 6.2 6.3 76.5 77.2 18.5 18.8 7 7.0 21 21.5
26.1 6.3 77.9 19.0 7 22
WM4 12:04 0.19 25.7 25.7 7.19 7.2 87.8 88.3 14.2 14.6 7.3 7.3 18 17.0
25.6 7.2 88.7 15.0 7.3 16
Date 10-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 12:15 0.18 24.8 24.8 7.57 7.6 90.4 90.5 7.3 7.0 6.8 6.8 5 4.5
24.8 7.56 90.5 6.7 6.8 4
WM4-CB 12:25 0.31 25.6 25.6 4.66 4.7 57.2 57.3 17.4 17.5 6.4 6.4 14 14.5
25.6 4.68 57.4 17.5 6.4 15
WM4 12:05 0.15 25.3 25.3 6.48 6.5 78.6 78.7 12.2 11.3 6.8 6.8 15 14.5
25.3 6.49 78.7 10.3 6.8 14

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017

Date 12-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 11:20 0.18 22.2 22.2 7.94 7.9 91.2 91.1 7.5 7.3 9.7 9.7 4 4.0
22.2 7.92 90.9 7.2 9.7 4
WM4-CB 11:30 0.31 22.4 22.4 4.96 4.9 57.4 57.0 20.6 20.2 9 9.0 20 19.5
22.4 4.91 56.5 19.7 9 19
WM4 11:10 0.15 22.1 22.1 6.62 6.6 76.0 75.7 34.4 33.0 9.8 9.8 18 18.5
22.1 6.59 75.4 31.6 9.8 19
Date 14-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 10:55 0.18 21 21.0 8.15 8.2 91.4 91.5 10.4 10.9 8.7 8.7 8 7.0
21 8.17 91.6 11.4 8.7 6
WM4-CB 11:10 0.31 21.9 21.9 4.41 4.4 50.3 50.4 47.3 47.1 8.1 8.1 42 41.5
21.9 4.43 50.4 46.8 8.1 41
WM4 10:40 0.15 20.9 20.9 7.05 7.1 79.0 79.1 26.3 25.4 8.7 8.7 12 13.0
20.9 7.06 79.1 24.4 8.7 14
Date 18-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 11:45 0.18 27.4 27.4 7.48 7.5 94.5 94.8 5.6 5.0 8 8.0 4 4.5
27.4 7.52 95.1 4.3 8 5
WM4-CB 12:00 0.31 28.1 28.1 5.27 5.3 67.4 67.3 17.8 17.7 7.6 7.6 17 17.5
28.1 5.26 67.1 17.6 7.6 18
WM4 11:35 0.15 27 27.0 6.76 6.8 84.9 85.0 20.4 20.3 8 8.0 18 19.0
27 6.77 85.1 20.1 8 20
Date 20-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 13:10 0.18 26.9 26.9 6.94 7.0 86.8 87.4 2.3 2.2 8.4 8.4 22 22.0
26.9 7.01 87.9 2.0 8.4 <2
WM4-CB 13:20 0.31 27.2 27.2 4.64 4.6 58.6 58.0 17.6 17.7 7.7 7.7 <2 22.0
27.2 4.55 57.4 17.8 7.7 22
WM4 13:00 0.15 27.8 27.8 6.22 6.2 79.2 79.5 8.0 7.8 8.3 8.3 10 9.5
27.8 6.26 79.8 7.7 8.3 9

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017

Date 22-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 11:48 0.24 21.3 21.3 7.84 7.9 88.7 88.9 20.4 20.8 8.4 8.4 17 15.5
21.2 7.93 89.1 21.1 8.4 14
WM4-CB 12:07 0.37 21.3 21.3 5.64 5.7 63.7 64.1 58.6 59.2 7.9 7.9 50 52.0
21.3 5.74 64.5 59.7 7.9 54
WM4 11:36 0.17 21.2 21.2 7.31 7.4 82.3 83.0 275.0 279.0 8.2 8.2 218 209.0
21.2 7.43 83.7 283.0 8.2 200
Date 24-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 13:07 0.18 23 23.0 7.58 7.6 88.3 88.4 11.1 10.5 8.2 8.2 6 6.0
23 7.59 88.5 9.8 8.2 6
WM4-CB 13:35 0.31 24.1 24.1 5.44 5.5 65.0 65.1 15.4 15.4 7.7 7.7 18 17.0
24.1 5.46 65.2 15.4 7.7 16
WM4 13:00 0.15 23.5 23.5 6.87 6.9 80.8 80.8 22.5 22.9 7.9 7.9 16 16.0
23.5 6.87 80.7 23.3 7.9 16
Date 25-Apr-17#
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 13:45 0.18 4.1 4.0 4 4.0
3.9 4
WM4-CB 13:55 0.31 19.6 18.9 17 17.0
18.2 17
WM4 13:40 0.15 23.2 22.8 26 26.0
22.4 26
Date 26-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 11:10 0.18 23.8 23.8 7.34 7.4 86.9 87.0 7.4 6.9 9.5 9.5 5 4.0
23.8 7.36 87.0 6.4 9.5 3
WM4-CB 11:20 0.31 24.7 24.7 5.75 5.7 69.0 68.2 17.8 17.6 8.9 8.9 14 13.5
24.7 5.66 67.4 17.4 8.9 13
WM4 11:00 0.15 23.9 23.9 6.63 6.6 78.3 78.4 31.7 31.6 9.1 9.1 34 34.5
23.9 6.62 78.4 31.5 9.1 35

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017

Date 28-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 11:45 0.18 24.4 24.4 7.46 7.5 88.8 89.3 11.5 11.2 8.6 8.6 5 4.5
24.4 7.51 89.8 10.9 8.6 4
WM4-CB 12:00 0.31 25.5 25.5 5.13 5.2 62.6 62.8 15.2 14.8 8.2 8.2 12 12.0
25.5 5.17 63.0 14.4 8.2 12
WM4 11:25 0.15 23.7 23.7 6.98 7.0 82.2 82.1 33.5 33.2 8.3 8.3 24 23.0
23.7 6.95 82.0 32.8 8.3 22

Remarks: # Additional water quality monitoring for the parameters with Action/Limit Level exceedance triggered only.

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017 Water Quality Monitoring Data for Contract 6

Date 3-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:20 0.28 18.6 18.6 8.11 8.1 86.8 86.7 10.9 10.6 7.50 7.5 6 6.0
18.6 8.1 86.6 10.2 7.50 6
WM2A 10:10 0.17 20.1 20.1 8.45 8.5 93.1 93.2 15.7 14.8 7.70 7.7 15 14.5
20.1 8.47 93.2 13.9 7.70 14
Date 6-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:48 0.29 22 22.0 6.89 6.9 78.8 79.0 9.8 9.8 7.50 7.5 4 4.0
22 6.91 79.2 9.9 7.50 4
WM2A 10:43 0.15 23.2 23.2 7.23 7.2 84.6 84.9 13.7 13.7 7.80 7.8 12 12.5
23.2 7.25 85.1 13.6 7.80 13
Date 8-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:27 0.30 22.8 22.8 7 7.0 80.7 81.3 11.6 11.8 7.80 7.8 4 4.0
22.8 7.04 81.9 12.0 7.80 4
WM2A 10:14 0.17 23.9 23.9 6.88 6.9 81.3 81.7 23.3 23.9 8.20 8.2 26 25.5
23.9 6.91 82.1 24.5 8.20 25
Date 10-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:50 0.28 23.4 23.4 5.27 5.3 61.9 62.0 14.3 14.1 6.50 6.5 12 12.0
23.4 5.26 62.0 13.9 6.50 12
WM2A 10:35 0.17 25.9 25.9 7.14 7.1 87.7 87.8 22.3 22.5 6.90 6.9 19 20.0
25.9 7.15 87.8 22.6 6.90 21
Date 12-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:15 0.28 21.6 21.6 6.62 6.6 75.1 74.9 15.9 15.9 8.00 8.0 5 4.0
21.6 6.6 74.7 15.9 8.00 3
WM2A 10:05 0.17 21.9 21.9 6.85 6.8 78.5 78.0 18.2 18.6 8.30 8.3 11 10.0
21.9 6.81 77.5 19.0 8.30 9

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017

Date 14-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 9:55 0.28 19.7 19.7 6.84 6.8 74.6 74.7 18.7 17.9 8.90 8.9 5 5.5
19.7 6.85 74.7 17.0 8.90 6
WM2A 9:45 0.20 19.7 19.7 7.4 7.4 81.2 81.3 77.7 77.8 8.70 8.7 46 47.0
19.7 7.42 81.4 77.9 8.70 48
Date 15-Apr-17#
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:15 0.28 10.6 10.5 4 4.0
10.4 4
WM2A 10:00 0.20 9.4 10.2 2 2.0
11.0 2
Date 18-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:40 0.27 23.8 23.8 6.37 6.4 75.2 75.3 13.3 12.8 7.60 7.6 4 3.5
23.8 6.38 75.3 12.3 7.60 3
WM2A 10:30 0.20 26 26.0 6.93 6.9 85.3 85.6 13.1 12.1 7.60 7.6 4 3.5
26 6.95 85.8 11.0 7.60 3
Date 20-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:07 0.25 23.9 23.9 5.84 5.8 69.2 69.2 11.3 11.2 7.80 7.8 6 7.0
23.9 5.84 69.1 11.0 7.80 8
WM2A 9:52 0.20 25.9 25.9 6.38 6.4 78.4 78.4 20.3 19.5 7.80 7.8 6 6.5
25.9 6.37 78.3 18.7 7.80 7
Date 22-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:23 0.27 21 21.0 7.04 7.1 79.1 79.9 18.9 19.2 8.10 8.1 10 9.0
21 7.1 80.7 19.4 8.10 8
WM2A 9:41 0.17 21.7 21.7 6.65 6.7 75.8 76.3 47.6 47.9 8.20 8.2 39 37.5
21.7 6.7 76.7 48.2 8.20 36

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017

Date 24-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:55 0.28 21.4 21.4 7.17 7.2 80.8 80.9 12.7 12.7 8.10 8.1 7 6.5
21.4 7.18 80.9 12.6 8.10 6
WM2A 11:07 0.20 22.1 22.1 7.29 7.3 83.5 83.6 11.5 11.1 8.00 8.0 4 4.0
22.1 7.3 83.6 10.6 8.00 4
Date 25-Apr-17#
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:45 0.28 22.5 22.6 7 7.0
22.6 7
WM2A 10:10 0.20 16.8 17.1 5 5.0
17.4 5
Date 26-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:10 0.28 22.8 22.8 6.51 6.5 75.4 75.6 15.0 14.9 8.90 8.9 8 7.5
22.8 6.53 75.8 14.7 8.90 7
WM2A 9:55 0.20 23 23.0 7.15 7.1 83.1 83.0 101.0 100.5 9.00 9.0 32 30.5
23 7.14 82.8 100.0 9.00 29
Date 27-Apr-17#
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:23 0.28 25.8 25.8 13 13.0
25.7 13
WM2A 10:10 0.20 10.2 10.1 5 5.0
10.0 5
Date 28-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2A-C 10:35 0.28 21.5 21.5 6.69 6.7 75.6 75.8 57.7 59.8 8.90 8.9 58 58.5
21.5 6.72 75.9 61.8 8.90 59
WM2A 10:50 0.20 22.3 22.3 7.62 7.6 93.1 93.2 50.2 50.5 8.80 8.8 66 69.0
22.3 7.63 93.3 50.7 8.80 72

Remarks: # Additional water quality monitoring for the parameters with Action/Limit Level exceedance triggered only.

Action Level Limit Level

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017

Date 3-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2B-C 10:40 0.02 19.3 19.3 9.53 9.5 103.3 103.4 4.3 4.0 7.7 7.7 6 5.5
19.3 9.53 103.4 3.6 7.7 5
WM2B 10:30 0.02 22 22.0 8.25 8.3 94.6 94.7 11.0 10.9 7.3 7.3 11 11.0
22 8.25 94.7 10.8 7.3 11
Date 6-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2B-C 11:08 0.01 22.3 22.3 8.51 8.5 97.5 97.8 5.4 5.3 8.3 8.3 <2 <2
22.3 8.53 98.0 5.3 8.3 <2
WM2B 11:01 0.03 24.3 24.3 7.37 7.4 88.0 88.4 8.5 8.5 8.3 8.3 5 5.0
24.3 7.4 88.8 8.4 8.3 5
Date 8-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2B-C 10:57 0.02 23.6 23.7 8.07 8.1 94.5 95.1 3.5 3.5 7.8 7.8 3 2.5
23.7 8.12 95.7 3.5 7.8 2
WM2B 10:49 0.02 25.1 25.2 7.15 7.2 87.2 87.8 11.2 11.1 7.3 7.3 10 11.0
25.2 7.2 88.3 11.0 7.3 12
Date 10-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM2B-C 11:10 0.02 23.8 23.8 8.24 8.2 97.2 97.3 6.9 7.0 7.7 7.7 5 5.5
23.8 8.23 97.3 7.1 7.7 6
WM2B 11:00 0.02 26.2 26.2 7.26 7.3 89.8 89.9 11.0 10.5 7.9 7.9 8 9.0
26.2 7.27 89.9 9.9 7.9 10

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017 Water Quality Monitoring Data for Contract 2 and 6

Date 1-Apr-17#
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 10:21 0.03 6.7 6.5 10 10.0
6.3 10
WM3 10:37 0.13 10.7 10.8 12 12.0
10.9 12
Date 3-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 10:55 0.03 22.2 22.2 7.99 8.0 91.8 92.1 35.0 34.9 8.3 8.3 61 55.5
22.2 8.03 92.3 34.8 8.3 50
WM3 11:05 0.15 21.8 21.8 8.9 8.9 101.4 101.6 15.7 15.9 8.2 8.2 15 15.5
21.8 8.92 101.7 16.0 8.2 16
Date 6-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 11:19 0.02 24.5 24.5 7.55 7.5 90.6 90.6 4.3 4.4 8.8 8.8 6 6.5
24.5 7.54 90.5 4.5 8.8 7
WM3 11:29 0.13 23.3 23.3 7.48 7.5 87.7 87.6 6.4 6.4 8.7 8.7 8 8.5
23.3 7.46 87.4 6.5 8.7 9
Date 8-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 11:30 0.07 25.4 25.5 7.05 7.1 86.3 87.1 2.6 2.6 7.4 7.4 9 9.0
25.5 7.11 87.8 2.6 7.4 9
WM3 11:19 0.11 25.5 25.6 7.7 7.7 94.5 95.1 8.1 8.2 7.5 7.5 9 9.0
25.6 7.77 95.7 8.3 7.5 9
Date 10-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 11:25 0.02 25.6 25.6 6.24 6.2 76.8 76.8 12.5 11.6 7 7.0 26 63.5
25.6 6.23 76.7 10.7 7 101
WM3 11:35 0.15 24.9 24.9 7.82 7.8 94.1 94.2 9.3 9.2 6.9 6.9 10 10.0
24.9 7.84 94.2 9.0 6.9 10

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017

Date 12-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 10:45 0.15 24.3 24.3 7.09 7.1 85.1 85.5 4.3 3.9 11.4 11.4 <2 <2
24.3 7.13 85.9 3.5 11.4 <2
WM3 10:55 0.15 22.6 22.6 6.8 6.8 78.7 78.8 59.2 59.4 10.9 10.9 74 75.5
22.6 6.81 78.9 59.5 10.9 77
Date 13-Apr-17#
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 10:45 0.15 9.8 9.7 13 13.0
9.5 13
WM3 11:05 0.15 52.8 52.8 38 38.0
52.8 38
Date 14-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 10:10 0.15 21.9 21.9 7.85 7.9 89.7 89.8 10.2 10.4 8 8.0 8 9.0
21.9 7.86 89.8 10.6 8 10
WM3 10:20 0.15 21.2 21.2 6.99 7.0 78.5 78.5 49.4 49.5 8.2 8.2 36 37.5
21.2 6.98 78.5 49.5 8.2 39
Date 15-Apr-17#
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 10:30 0.15 11.2 11.4 7 7.0
11.6 7
WM3 10:40 0.15 10.3 10.9 7 7.0
11.4 7
Date 18-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 11:00 0.15 26.8 26.8 7.22 7.2 90.2 90.4 13.1 12.4 8.9 8.9 10 10.0
26.8 7.24 90.5 11.6 8.9 10
WM3 11:10 0.15 26.8 26.8 7.71 7.7 96.4 97.0 9.7 9.8 8.3 8.3 6 5.0
26.8 7.77 97.5 9.9 8.3 4

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

AUES

Monthly Environmental Monitoring & Audit Report (No.45) – April 2017

Date 20-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 10:32 0.15 26.5 26.5 7.02 7.0 87.5 87.7 10.2 8.7 7.7 7.7 11 10.5
26.5 7.04 87.9 7.2 7.7 10
WM3 10:45 0.15 25.9 25.9 7.49 7.5 92.0 92.2 8.6 7.6 7.7 7.7 <2 <2
25.9 7.52 92.4 6.6 7.7 <2
Date 22-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 10:45 0.15 24 23.9 7.25 7.3 86.5 87.1 6.5 6.6 7.9 7.9 10 10.0
23.8 7.3 87.7 6.6 7.9 10
WM3 10:59 0.17 23.2 23.2 7.31 7.4 85.4 86.0 11.3 11.7 8.2 8.2 7 6.0
23.1 7.39 86.6 12.0 8.2 5
Date 24-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 10:25 0.15 23.6 23.6 6.89 6.9 81.1 81.0 3.4 3.4 7.8 7.8 5 5.5
23.6 6.88 80.9 3.4 7.8 6
WM3 10:35 0.15 23 23.0 7.44 7.4 86.7 86.5 13.1 13.2 7.9 7.9 12 12.0
23 7.39 86.2 13.2 7.9 12
Date 26-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 10:25 0.15 24.8 24.8 6.7 6.7 80.7 80.9 4.4 3.7 11 11.0 5 5.5
24.8 6.72 81.1 3.1 11 6
WM3 10:35 0.15 23.7 23.7 6.27 6.3 73.9 74.2 13.2 13.1 10 10.0 10 10.5
23.7 6.29 74.4 13.0 10 11
Date 28-Apr-17
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM3-C 10:10 0.15 24.5 24.5 7.05 38.9 84.5 84.7 7.6 7.2 10.4 10.4 <2 <2
24.5 70.7 84.8 6.9 10.4 <2
WM3 10:20 0.15 23.2 23.2 7.33 7.3 85.3 85.4 10.6 10.4 9.1 9.1 3 3.5
23.2 7.32 85.4 10.2 9.1 4

Remarks: # Additional water quality monitoring for the parameters with Action/Limit Level exceedance triggered only.

Action Level Limit Level