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)
2/3/2021	32	47	28	46	2/3/2021	15:00 - 15:59	29	39	24
8/3/2021	22	26	21	11		16:00 - 16:59	36	38	32
14/3/2021	45	46	38	31		17:00 - 17:59	37	39	33
20/3/2021	15	27	22	32	8/3/2021	15:00 - 15:59	29	37	26
26/3/2021	39	38	29	46		16:00 - 16:59	25	33	27
31/3/2021	22	22	16	28		17:00 - 17:59	28	34	25
					14/3/2021	15:00 - 15:59	49	50	42
						16:00 - 16:59	41	44	38
						17:00 - 17:59	40	48	42
					20/3/2021	15:00 - 15:59	16	30	21
						16:00 - 16:59	21	31	22
						17:00 - 17:59	16	28	23
					26/3/2021	15:00 - 15:59	37	39	30
						16:00 - 16:59	39	38	28
						17:00 - 17:59	39	37	29
					31/3/2021	15:00 - 15:59	19	21	15
						16:00 - 16:59	28	29	19
						17:00 - 17:59	30	24	16
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/3/2021	50
2/3/2021	51
3/3/2021	50
4/3/2021	49
5/3/2021	49
6/3/2021	*
7/3/2021	*
8/3/2021	*
9/3/2021	*
10/3/2021	*
11/3/2021	*
12/3/2021	*
13/3/2021	*
14/3/2021	*
15/3/2021	*
16/3/2021	*
17/3/2021	*
18/3/2021	*
19/3/2021	*
20/3/2021	*
21/3/2021	*
22/3/2021	*
23/3/2021	*
24/3/2021	*
25/3/2021	51
26/3/2021	59
27/3/2021	49
28/3/2021	47
29/3/2021	45
30/3/2021	45
31/3/2021	46
Note:
# - Hourly average value. Expressed as at 0°C, 101.325kPa, dry and corrected to 15% O2 condition.
* - Unit L9 was not on load.
Lamma Power Station Extension - Air Quality Monitoring Data for unit L10 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/3/2021		3
2/3/2021		3
3/3/2021		3
4/3/2021		3
5/3/2021		3
6/3/2021		3
7/3/2021		3
8/3/2021		3
9/3/2021		3
10/3/2021		3
11/3/2021		3
12/3/2021		3
13/3/2021		3
14/3/2021		3
15/3/2021		3
16/3/2021		3
17/3/2021		3
18/3/2021		3
19/3/2021		3
20/3/2021		3
21/3/2021		3
22/3/2021		3
23/3/2021		3
24/3/2021		3
25/3/2021		3
26/3/2021		3
27/3/2021		3
28/3/2021		3
29/3/2021		3
30/3/2021		3
31/3/2021		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.