Lamma Power Station Extension - Air Quality Monitoring Data for unit L10/L11 (Construction)
24-hr TSP (µg/m^3)					1-hr TSP (µg/m^3)
Date	Reservoir (AM1)	East Gate (AM2)	Ash Lagoon (AM3)	Tai Yuen Village (AM4)	Date	Time	Reservoir (AM1)	East Gate (AM2)	Ash Lagoon (AM3)
6/4/2021	57	50	48	51	6/4/2021	15:00 - 15:59	49	50	47
12/4/2021	26	22	20	14		16:00 - 16:59	57	52	45
18/4/2021	124	120	107	40		17:00 - 17:59	56	50	45
24/4/2021	31	33	25	36	12/4/2021	15:00 - 15:59	24	23	17
30/4/2021	30	36	18	29		16:00 - 16:59	23	25	19
						17:00 - 17:59	26	24	18
					18/4/2021	15:00 - 15:59	170	168	149
						16:00 - 16:59	186	180	144
						17:00 - 17:59	194	179	144
					24/4/2021	15:00 - 15:59	43	34	24
						16:00 - 16:59	32	33	25
						17:00 - 17:59	30	33	25
					30/4/2021	15:00 - 15:59	40	46	18
						16:00 - 16:59	33	36	18
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/4/2021	45
2/4/2021	47
3/4/2021	47
4/4/2021	49
5/4/2021	51
6/4/2021	52
7/4/2021	53
8/4/2021	53
9/4/2021	53
10/4/2021	57
11/4/2021	53
12/4/2021	49
13/4/2021	49
14/4/2021	49
15/4/2021	49
16/4/2021	47
17/4/2021	47
18/4/2021	54
19/4/2021	52
20/4/2021	49
21/4/2021	51
22/4/2021	49
23/4/2021	47
24/4/2021	47
25/4/2021	46
26/4/2021	50
27/4/2021	48
28/4/2021	47
29/4/2021	50
30/4/2021	50
Note:
# - Hourly average value. Expressed as at 0°C, 101.325kPa, dry and corrected to 15% O2 condition.
Lamma Power Station Extension - Air Quality Monitoring Data for unit L10 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/4/2021		3
2/4/2021		3
3/4/2021		3
4/4/2021		3
5/4/2021		3
6/4/2021		3
7/4/2021		3
8/4/2021		3
9/4/2021		3
10/4/2021		3
11/4/2021		3
12/4/2021		3
13/4/2021		3
14/4/2021		3
15/4/2021		3
16/4/2021		3
17/4/2021		3
18/4/2021		3
19/4/2021		3
20/4/2021		3
21/4/2021		3
22/4/2021		3
23/4/2021		3
24/4/2021		3
25/4/2021		3
26/4/2021		3
27/4/2021		3
28/4/2021		3
29/4/2021		3
30/4/2021		3
The daily maximum stack NOx concentration complies with the Action/Limit Level for all unit loading ranges. Note: # - Hourly average value. Expressed as at 0°C, 101.325kPa, dry and corrected to 15% O2 condition.