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

AUES

Monthly Environmental Monitoring & Audit Report (No.22) – May 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
6-May-15 27621 9902.23 9926.23 1440.12 34 35 34.5 25 1010.5 1.23 1766 2.7918 2.8602 0.0684 39
12-May-15 27974 9926.23 9950.28 1443.00 35 36 35.5 26 1010.8 1.25 1808 2.7878 2.8640 0.0762 42
18-May-15 27993 9950.29 9974.29 1440.00 35 37 36.0 26.1 1009.1 1.27 1822 2.8020 2.8562 0.0542 30
23-May-15 28015 9976.87 10000.87 1440.00 35 36 35.5 26.2 1008.2 1.25 1801 2.8091 2.8660 0.0569 32
29-May-15 28042 10000.87 10024.87 1440.00 35 37 36.0 29.1 1007.6 1.26 1814 2.7970 2.8594 0.0624 34
AM2 - Village House near Lin Ma Hang Road
6-May-15 27622 5451.20 5475.02 1429.20 33 34 33.5 25 1010.5 1.03 1467 2.8091 2.9603 0.1512 103
12-May-15 27975 5475.02 5499.01 1439.40 40 44 42.0 26 1010.8 1.28 1843 2.7948 3.0633 0.2685 146
18-May-15 27992 5499.01 5523.50 1469.40 34 34 34.0 26.1 1009.1 1.04 1526 2.8153 2.8972 0.0819 54
23-May-15 28016 5523.50 5547.26 1425.60 35 35 35.0 26.2 1008.2 1.07 1523 2.7918 2.8271 0.0353 23
29-May-15 28023 5547.26 5571.06 1428.00 32 33 32.5 29.1 1007.6 0.99 1411 2.8219 2.9311 0.1092 77
AM3 - Ta Kwu Ling Fire Service Station of Ta Kwu Ling Village
6-May-15 208921 6436.41 6460.41 1440.00 42 42 42.0 25 1010.5 1.32 1901 2.7635 2.8673 0.1038 55
12-May-15 27994 6563.45 6587.45 1440.00 42 42 42.0 26 1010.8 1.32 1898 2.7836 2.8727 0.0891 47
18-May-15 27990 6587.45 6611.45 1440.00 42 42 42.0 26.1 1009.1 1.32 1896 2.7907 2.8680 0.0773 41
23-May-15 28017 6611.45 6635.45 1440.00 42 42 42.0 26.2 1008.2 1.32 1895 2.7971 2.8352 0.0381 20
29-May-15 28040 6635.46 6659.46 1440.00 41 42 41.5 29.1 1007.6 1.29 1860 2.8121 2.9317 0.1196 64
AM7b - Loi Tung Village House
6-May-15 27818 13980.90 14004.90 1440.00 44 44 44.0 25 1010.5 1.06 1523 2.8496 2.9840 0.1344 88
12-May-15 27977 14004.90 14028.90 1440.00 44 44 44.0 26 1010.8 1.06 1520 2.7891 2.9100 0.1209 80
18-May-15 27995 14028.91 14052.91 1440.00 44 44 44.0 26.1 1009.1 1.05 1518 2.7868 2.8854 0.0986 65
23-May-15 28020 14052.91 14076.91 1440.00 44 45 44.5 26.2 1008.2 1.07 1540 2.8092 2.8505 0.0413 27
29-May-15 28022 14076.92 14100.92 1440.00 43 44 43.5 29.1 1007.6 1.03 1485 2.8524 2.9927 0.1403 94
AM8 - Po Kat Tsai Village No. 4
6-May-15 27963 7851.25 7875.25 1440.00 38 39 38.5 25 1010.5 1.03 1481 2.8833 2.9509 0.0676 46
12-May-15 27978 7875.25 7899.25 1440.00 46 49 47.5 26 1010.8 1.31 1884 2.7948 2.8768 0.0820 44
18-May-15 27996 7899.26 7923.26 1440.00 49 50 49.5 26.1 1009.1 1.37 1972 2.8034 2.8820 0.0786 40
23-May-15 28019 7923.27 7947.27 1440.00 49 49 49.0 26.2 1008.2 1.35 1949 2.8078 2.8438 0.0360 18
29-May-15 28041 7947.28 7971.28 1440.00 49 49 49.0 29.1 1007.6 1.35 1937 2.8003 2.8795 0.0792 41
AM9b - Nam Wa Po Village House No. 80
6-May-15 27964 15390.26 15414.06 1428.00 34 34 34.0 25 1010.5 1.03 1475 2.8837 2.9678 0.0841 57
12-May-15 27979 15414.07 15437.52 1407.00 30 30 30.0 26 1010.8 0.90 1264 2.7869 2.8502 0.0633 50
18-May-15# 27997 15437.52 15441.57 243.00 34 34 34.0 26.1 1009.1 1.03 250 2.8035 2.8282 0.0247 99

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

AUES

Monthly Environmental Monitoring & Audit Report (No.22) – May 2015

DATE SAMPLE 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)
NUMBER INITIAL FINAL (min) MIN MAX AVG (℃) (hPa) (m3/min) (std m3) INITIAL FINAL (g)
23-May-15 28018 15441.57 15465.57 1440.00 33 33 33.0 26.2 1008.2 1.00 1435 2.7837 2.8204 0.0367 26
29-May-15 28024 15465.57 15489.05 1408.80 34 34 34.0 29.1 1007.6 1.02 1442 2.8300 2.8897 0.0597 41

Remark: # Monitoring was run for 4 hours only due to power failure.

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

AUES

Monthly Environmental Monitoring & Audit Report (No.22) – May 2015

Construction Noise Monitoring Results, dB(A)

Date Start Time 1st Leq5mi n L10 L90 2nd Leq5mi n L10 L90 3nd Leq5mi n L10 L90 4th Leq5mi n L10 L90 5th Leq5mi n L10 L90 6th Leq5mi n L10 L90 Leq30 façade correctio n
NM1 - Tsung Yuen Ha Village House No. 63
5-May-15 10:56 54.6 58.6 47.2 53.9 56.5 46.8 52.1 54.8 47.1 51.2 53.6 47.7 48.7 50.5 46.1 48.6 50.1 45.5 52 NA
14-May-15 10:30 65.4 57.5 49.8 53.1 58.5 47.1 50.1 52.5 47.4 49.4 50.8 46.8 54.3 59.5 46.7 51.3 54.0 46.5 59 NA
20-May-15 10:33 53.5 58.4 45.5 53.9 57.4 45.4 56.5 56.1 46.7 65.7 69.7 51.4 58.7 62.9 49.3 54.4 56.2 49.2 60 NA
26-May-15 13:51 47.7 49.2 46.3 47.9 48.6 45.8 48.3 50.1 46.2 46.7 47.7 45.8 47.2 48.6 45.9 60.1 56.6 47.2 53 NA
NM2 - Village House near Lin Ma Hang Road
5-May-15 14:40 57.0 59.5 45.6 54.9 58.8 46.9 60.9 59.0 46.3 61.5 63.9 45.8 61.3 63.8 46.5 58.3 58.1 46.2 60 NA
14-May-15 13:42 60.5 62.1 45.2 61.0 65.6 45.6 59.6 64.1 46.3 57.8 60.5 46.2 62.1 66.2 52.8 58.9 59.9 55.3 60 NA
20-May-15 11:26 59.8 63.1 47.7 61.0 65.6 47.6 57.9 60.8 46.0 62.2 63.4 47.2 53.9 57.4 45.1 62.4 62.8 46.4 60 NA
26-May-15 14:28 59.5 63.1 52.4 57.0 59.0 52.4 57.6 59.6 52.4 56.6 55.4 52.9 57.4 58.4 53.0 53.4 55.7 50.7 57 NA
NM5– Ping Yeung Village House (façade facing northeast)
6-May-15 15:14 53.5 57.9 46.1 50.6 53.5 46.0 55.1 58.9 45.9 49.6 53.2 44.4 51.1 53.6 47.3 51.2 55.0 46.0 52 NA
12-May-15 13:32 60.8 56.8 45.5 58.5 54.3 47.0 53.9 55.0 43.9 53.2 56.2 47.6 66.1 56.2 44.3 52.3 55.9 44.8 60 NA
18-May-15 14:04 59.3 61.9 53.2 64.0 66.2 60.2 62.1 65.7 54.6 60.3 64.5 52.8 65.6 68.6 60.1 65.9 69.7 57.8 64 NA
23-May-15 11:26 53.6 56.6 46.6 53.2 56.0 49.4 56.7 58.1 48.7 57.9 58.6 49.0 53.5 56.0 49.5 57.6 60.4 50.8 56 NA
29-May-15 15:58 60.4 55.2 46.0 53.2 55.9 46.6 55.5 58.5 46.2 51.9 54.8 46.4 57.7 61.9 48.8 51.8 54.6 47.4 56 NA
NM6 – Tai Tong Wu Village House 2
6-May-15 10:37 60.2 63.4 54.6 59.6 61.9 55.5 58.7 61.9 53.3 60.1 63.5 54.1 60.0 63.3 54.5 60.9 63.4 55.3 60 NA
12-Mar-15 13:05 61.4 63.2 54.6 60.5 62.7 50.2 57.6 61.1 49.5 57.8 61.1 50.7 59.9 62.6 52.7 59.2 62.0 53.3 60 NA
18-May-15 13:02 59.5 63.0 52.6 60.7 63.9 55.2 59.5 62.9 52.9 58.9 62.0 53.2 59.2 61.9 52.9 60.3 63.7 52.8 60 NA
23-May-15 10:23 61.8 65.0 55.5 62.3 64.7 58.7 62.5 65.8 55.8 62.1 64.1 59.0 63.3 65.3 60.1 62.0 65.1 57.2 62 NA
29-May-15 15:09 63.2 66.1 56.2 62.7 66.4 54.4 61.7 65.4 51.5 62.6 65.5 54.1 63.1 67.2 52.0 62.6 66.3 54.2 63 NA
NM7 – Po Kat Tsai Village
6-May-15 16:18 68.6 65.0 57.6 58.8 60.3 56.4 58.0 59.1 56.4 68.5 65.9 57.4 67.2 69.2 57.2 68.8 67.2 56.1 67 NA
12-May-15 13:45 61.7 64.5 56.8 69.0 66.4 57.7 60.4 63.8 55.8 59.1 62.5 55.6 59.7 61.5 55.7 64.6 59.0 55.2 64 NA
18-May-15 10:56 68.4 69.3 56.7 61.7 63.2 57.3 58.9 59.4 56.1 56.9 57.5 56.1 60.4 63.0 56.4 62.6 64.4 56.7 63 NA
23-May-15 11:33 60.5 61.6 59.6 62.7 60.9 57.0 58.3 59.1 57.5 58.2 59.0 57.4 62.8 62.7 57.7 60.5 63.2 57.4 61 NA
29-May-15 13:00 57.9 60.7 54.8 58.3 58.3 56.3 68.4 67.1 55.9 59.3 62.8 55.2 62.4 62.4 54.9 68.6 71.4 55.2 65 NA
NM8 - Village House, Tong Hang
5-May-15 10:46 59.0 63.5 53.5 59.0 62.5 52.5 57.0 58.5 51.0 59.0 63.0 54.0 57.5 60.0 53.0 59.2 63.5 53.0 59 NA
14-May-15 10:38 59.7 62.0 55.0 56.6 58.5 52.0 59.4 62.0 54.0 56.4 58.5 53.5 58.0 61.0 54.5 58.5 61.0 54.5 58 NA
20-May-15 10:19 59.5 63.1 53.4 59.1 60.1 53.7 56.8 59.5 52.9 59.7 62.8 53.5 58.1 61.1 53.6 58.4 60.7 53.2 59 NA
26-May-15 14:50 64.1 67.5 53.5 65.6 69.5 58.0 63.5 67.5 58.0 70.7 74.4 59.5 64.3 68.5 56.5 66.1 70.0 56.0 67 NA
NM9 - Village House, Kiu Tau Village

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

AUES

Monthly Environmental Monitoring & Audit Report (No.22) – May 2015

Date Start Time 1st Leq5mi n L10 L90 2nd Leq5mi n L10 L90 3nd Leq5mi n L10 L90 4th Leq5mi n L10 L90 5th Leq5mi n L10 L90 6th Leq5mi n L10 L90 Leq30 façade correctio n
5-May-15 11:29 66.7 61.5 50.0 53.7 57.0 48.5 55.0 57.0 47.5 52.7 55.5 46.0 51.9 53.5 46.0 53.0 57.0 46.1 60 NA
14-May-15 9:49 60.2 62.5 49.0 55.3 57.0 50.0 55.8 60.0 50.0 53.9 57.0 48.5 56.1 60.6 49.0 57.2 59.5 49.5 57 NA
20-May-15 11:15 59.4 61.4 56.5 59.8 59.3 55.7 58.4 60.4 55.8 59.5 62.8 57.8 60.9 62.3 57.9 60.9 62.8 57.8 60 NA
26-May-15 15:30 61.9 63.5 56.5 62.3 66.5 57.0 63.7 67.5 58.0 57.0 59.5 53.0 56.8 59.0 53.0 58.7 59.5 53.0 61 NA
NM10 - Nam Wa Po Village House No. 80
5-May-15 13:01 58.7 60.0 57.0 59.4 60.0 57.5 60.9 62.0 58.5 62.4 63.5 59.0 64.8 66.5 60.5 61.0 62.0 59.0 62 65
14-May-15 13:26 57.6 60.0 54.0 57.1 59.0 53.5 56.3 58.0 53.0 57.1 59.0 54.0 57.7 59.5 55.5 57.4 59.0 54.0 57 60
20-May-15 13:18 59.8 59.9 54.2 60.6 63.2 54.5 59.7 62.4 54.5 59.9 60.2 55.5 56.7 57.5 54.1 56.8 57.8 53.7 59 62
26-May-15 14:09 62.0 64.0 52.5 64.1 67.0 51.5 64.8 66.0 51.5 64.1 62.5 51.0 65.7 68.0 52.0 61.6 59.5 53.0 64 67

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

AUES

Monthly Environmental Monitoring & Audit Report (No.22) – May 2015

Water Quality Monitoring Data for Contract 5

Date 2-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 11:32 0.39 26.6 26.6 3.66 3.7 45.5 45.5 64.2 64.2 7.1 7.1 45 44.5
26.6 3.64 45.4 64.2 7.1 44
WM1* 10:56 0.47 25.9 25.9 4.85 4.8 59.8 59.4 79.3 78.9 7.3 7.3 56 54.5
25.9 4.79 59.0 78.4 7.2 53
Date 5-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 11:11 0.40 29.1 29.1 6.57 6.6 85.5 86.1 86.6 86.8 8.7 8.7 51 51.5
29.1 6.66 86.7 87.0 8.7 52
WM1* 11:43 0.49 28.8 28.8 6.13 6.1 79.6 79.5 113.0 111.5 7.7 7.7 100 100.0
28.8 6.12 79.4 110.0 7.7 100
Date 7-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 10:21 0.49 27.3 27.3 5.2 5.2 65.7 65.4 592.0 589.5 7.5 7.5 359 352.0
27.3 5.18 65.0 587.0 7.5 345
WM1* 10:53 0.45 27 27.0 6.43 6.5 80.8 81.3 198.0 193.5 7.8 7.8 108 110.5
27 6.5 81.7 189.0 7.8 113
Date 9-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 11:01 0.41 29.2 29.2 4.06 4.1 53.1 53.1 48.9 48.4 7.7 7.7 21 21.5
29.2 4.06 53.1 47.9 7.7 22
WM1* 11:43 0.27 28.7 28.7 4.78 4.7 61.9 61.4 63.9 63.7 7.8 7.8 25 24.5
28.7 4.7 60.8 63.4 7.8 24
Date 12-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 11:10 0.82 27 27.0 6.04 6.0 75.8 75.8 34.4 34.2 7.8 7.8 18 18.5

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

AUES

Monthly Environmental Monitoring & Audit Report (No.22) – May 2015

27 6.03 75.7 33.9 7.8 19
WM1 11:46 0.26 27.7 27.7 6.78 6.8 86.2 86.3 >999 >999 7.6 7.6 272 266.0
27.7 6.79 86.4 >999 7.6 260
Date 14-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 11:00 0.62 28.2 28.2 5.61 5.7 72.4 73.1 20.0 20.4 7.6 7.6 14 14.5
28.2 5.72 73.8 20.7 7.6 15
WM1* 11:44 0.29 29.4 29.4 5.74 5.7 75.2 75.2 136.0 132.5 7.7 7.7 80 78.0
29.4 5.73 75.2 129.0 7.7 76
Date 16-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 13:49 0.45 26.7 26.7 4.74 4.7 58.7 58.6 59.3 59.2 7.7 7.7 58 57.0
26.7 4.72 58.5 59.0 7.7 56
WM1* 13:20 0.30 27.7 27.7 5.56 5.6 69.7 69.9 341.0 344.5 7.7 7.7 169 169.0
27.7 5.59 70.0 348.0 7.7 169
Date 18-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 12:08 0.42 28.2 28.2 5.17 5.2 65.6 65.4 36.1 35.9 7.6 7.6 23 23.5
28.2 5.13 65.1 35.6 7.6 24
WM1* 12:36 0.29 30.3 30.3 3.13 3.1 41.1 41.0 287.0 283.0 7 7.0 132 135.5
30.3 3.1 40.8 279.0 7 139
Date 20-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 11:04 0.45 28 28.0 4.34 4.3 55.5 55.4 32.9 32.7 7.5 7.5 35 35.5
28 4.32 55.3 32.4 7.5 36
WM1* 12:10 0.32 27.5 27.5 5.18 5.2 65.6 66.0 >999 >999 7.3 7.3 352 378.5
27.5 5.24 66.4 >999 7.3 405

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

AUES

Monthly Environmental Monitoring & Audit Report (No.22) – May 2015

Date 23-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 13:38 0.57 25 25.0 4.7 4.7 56.9 56.7 >999 >999 7.6 7.6 748 794.0
25 4.67 56.5 >999 7.6 840
WM1 13:06 0.38 25 25.0 4.56 4.5 55.5 55.2 >999 >999 7.7 7.7 1860 1530.0
25 4.5 54.9 >999 7.7 1200
Date 26-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 14:00 0.61 25.3 25.3 6.62 6.6 80.6 80.1 257.0 260.5 7.4 7.4 141 139.5
25.3 6.54 79.6 264.0 7.4 138
WM1 13:37 0.32 26.2 26.2 6.85 6.8 84.5 84.1 971.0 969.5 0.2 3.7 476 479.5
26.2 6.77 83.7 968.0 7.2 483
Date 28-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 15:13 0.41 32.9 32.9 6.25 6.2 86.9 85.8 9.7 9.6 8 8.0 4 4.0
32.9 6.14 84.7 9.6 8 4
WM1* 14:37 0.16 32.5 32.5 6.64 6.7 91.6 92.1 77.3 77.7 7.8 7.8 119 114.5
32.5 6.71 92.5 78.0 7.8 110
Date 30-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM1-C 12:16 0.43 31 31.0 5.37 5.3 71.3 70.9 25.7 26.1 7.2 7.2 16 17.0
31 5.31 70.5 26.4 7.2 18
WM1* 13:01 0.13 31.9 31.9 6.82 6.8 92.7 92.7 687.0 689.5 7.2 7.2 479 483.5
31.9 6.81 92.6 692.0 7.2 488

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.22) – May 2015

Water Quality Monitoring Data for Contract 2 and 3

Date 2-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 14:27 0.07 27 27.1 4.12 4.1 51.8 51.6 4.21 4.3 7.3 7.3 5 4.0
27.1 4.1 51.4 4.44 7.3 3
WM4-CB 14:53 0.25 27.1 27.1 2.31 2.3 29.1 29.0 5.25 5.3 7.2 7.2 8 8.0
27.1 2.29 28.8 5.42 7.2 8
WM4 14:09 0.27 26.2 26.2 5.96 6.0 73.8 74.1 21.8 22.2 7 7.0 29 29.0
26.2 6 74.3 22.5 7 29
Date 5-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 13:02 0.07 27.9 27.9 6.8 6.8 91.0 91.0 3.0 3.0 8.1 8.1 5 5.0
27.9 6.79 90.9 3.0 8.1 5
WM4-CB 13:23 0.23 28.3 28.3 3.12 3.1 38.7 38.8 10.2 10.3 7.7 7.7 8 8.0
28.3 3.03 38.9 10.4 7.7 8
WM4 12:40 0.25 28.5 28.5 4.25 4.2 54.9 54.8 12.6 12.4 7.5 7.6 24 24.5
28.5 4.22 54.6 12.2 7.6 25
Date 7-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 15:57 0.07 27.6 27.6 5.33 5.3 67.6 67.3 11.2 11.6 7.8 7.8 7 8.0
27.6 5.28 66.9 11.9 7.8 9
WM4-CB 16:29 0.24 28.9 28.9 3.91 3.9 50.7 50.3 5.6 5.5 7.1 7.1 5 5.5
28.9 3.84 49.9 5.4 7.1 6
WM4 15:23 0.27 28.5 28.5 4.18 4.2 54.6 54.5 20.8 21.0 7.3 7.3 21 22.0
28.5 4.15 54.3 21.1 7.2 23
Date 9-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 13:57 0.08 29.4 29.4 6.07 6.1 79.6 79.7 17.3 17.5 7.4 7.4 8 8.5
29.4 6.09 79.8 17.6 7.4 9
WM4-CB 14:22 0.24 29.5 29.5 4.59 4.5 60.3 58.8 21.3 21.0 7.2 7.2 12 11.0

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

AUES

Monthly Environmental Monitoring & Audit Report (No.22) – May 2015

29.5 4.37 57.2 20.7 7.2 10
WM4 13:24 0.26 30.2 30.2 5.56 5.6 73.9 74.0 24.5 24.1 7.4 7.4 19 19.0
30.2 5.58 74.1 23.7 7.4 19
Date 12-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 16:51 0.11 26.3 26.3 5.59 5.6 71.7 71.9 8.6 8.5 7.6 7.6 3 3.0
26.3 5.6 72.0 8.5 7.6 3
WM4-CB 17:14 0.26 27.8 27.8 2.85 2.8 36.3 186.2 15.3 15.7 7.4 7.4 12 12.0
27.8 2.83 336.1 16.0 7.4 12
WM4 16:30 0.29 29 29.0 3.57 3.5 46.5 46.1 18.0 18.3 7.2 7.2 12 12.0
29 3.51 45.7 18.6 7.2 12
Date 14-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 17:04 0.10 28.7 28.7 6.28 6.3 81.4 81.7 3.1 3.1 7.6 7.6 4 4.0
28.7 6.32 81.9 3.1 7.6 4
WM4-CB 17:26 0.23 28.8 28.8 3.78 3.8 49.0 48.8 6.2 6.2 7.3 7.3 6 5.5
28.8 3.74 48.5 6.3 7.3 5
WM4 16:43 0.28 30.9 30.9 4.6 4.6 61.7 61.7 11.3 11.4 7.6 7.6 11 11.0
30.9 4.59 61.7 11.5 7.6 11
Date 16-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 11:48 0.10 27.3 27.3 5.02 5.1 63.8 64.3 4.5 4.4 8.2 8.2 3 2.5
27.3 5.1 64.8 4.3 8.2 2
WM4-CB 10:46 0.21 28.6 28.6 2.93 3.0 38.4 39.2 11.7 12.2 8.8 8.8 14 14.5
28.5 3.07 39.9 12.6 8.8 15
WM4 11:20 0.30 28 28.0 3.76 3.8 47.2 47.3 12.5 12.4 8.3 8.3 13 13.5
28 3.78 47.4 12.2 8.3 14
Date 18-May-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.22) – May 2015

WM4-CA 16:20 0.10 28.3 28.3 5.57 5.5 70.7 70.4 4.4 4.3 7.4 7.4 2 2.5
28.3 5.46 70.1 4.2 7.4 3
WM4-CB 16:44 0.23 28.8 28.8 3.72 3.7 47.8 48.1 11.7 11.6 7.3 7.3 10 10.5
28.8 3.76 48.3 11.4 7.3 11
WM4 16:00 0.30 29.3 29.3 4.13 4.2 53.2 53.5 17.3 17.1 7 7.0 14 13.5
29.3 4.18 53.8 16.9 7 13
Date 20-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 17:22 0.34 26.4 26.4 5.11 5.1 64.5 64.9 267.1 263.9 7.6 7.6 295 254.5
26.4 5.13 65.2 260.7 7.6 214
WM4-CB 17:47 0.50 26.8 26.8 5.02 5.0 62.8 62.6 197.2 200.7 7.3 7.3 129 131.5
26.8 4.96 62.3 204.1 7.3 134
WM4 17:01 0.53 26.5 26.5 7.61 7.6 93.7 93.8 398.0 402.0 7.2 7.2 321 314.5
26.5 7.64 93.9 406.0 7.2 308
Date 23-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 16:27 0.36 23.9 23.9 6.93 7.0 82.2 82.5 91.9 92.5 7.8 7.8 98 95.5
23.9 6.98 82.8 93.1 7.8 93
WM4-CB 16:58 0.52 24 24.0 7.22 7.3 85.4 85.9 184.0 186.5 7.4 7.4 114 111.5
24 7.28 86.4 189.0 7.4 109
WM4 16:09 0.55 24.4 24.4 6.47 6.4 77.4 76.5 279.0 284.0 7.5 7.5 238 236.0
24.4 6.33 75.6 289.0 7.5 234
Date 26-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 16:59 0.23 26.3 26.3 7.56 7.6 93.5 93.9 10.7 10.6 6.9 6.9 6 6.0
26.3 7.61 94.2 10.4 6.9 6
WM4-CB 17:24 0.49 26.8 26.8 6.39 6.4 79.4 79.8 67.5 67.7 6.9 6.9 46 46.0
26.8 6.4 80.1 67.8 6.9 46
WM4 16:27 0.53 26.6 26.6 6.98 7.0 86.3 86.9 33.7 33.4 6.7 6.7 24 24.0
26.6 7.04 87.4 33.1 6.7 24

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

AUES

Monthly Environmental Monitoring & Audit Report (No.22) – May 2015

Date 28-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 16:57 0.09 30.5 30.5 7.1 7.1 94.5 94.2 5.6 5.5 7.3 7.3 4 3.0
30.5 7.05 93.8 5.3 7.3 2
WM4-CB 17:24 0.23 31.4 31.4 4.67 4.7 62.3 62.8 12.1 11.9 7.5 7.5 7 7.5
31.4 4.74 63.2 11.6 7.5 8
WM4 16:30 0.28 32.5 32.5 6.39 6.4 88.0 87.7 24.3 24.8 7.5 7.5 14 13.5
32.5 6.35 87.4 25.2 7.5 13
Date 30-May-15
Location Time Depth (m) Temp (oC) DO (mg/L) DO (%) Turbidity (NTU) pH SS(mg/L)
WM4-CA 11:19 0.10 31.3 31.3 7.5 7.5 101.7 101.9 5.0 5.0 7.3 7.3 3 3.0
31.3 7.56 102.0 5.0 7.3 3
WM4-CB 10:28 0.22 31.9 31.9 7.2 7.2 98.4 98.7 10.8 10.9 7.5 7.5 8 8.0
31.9 7.24 99.0 10.9 7.5 8
WM4 10:53 0.28 30.5 30.5 7.26 7.2 96.7 96.5 24.6 24.7 7.3 7.3 23 22.0
30.5 7.22 96.3 24.8 7.3 21