Lamma Power Station Extension - Air Quality Monitoring Data for unit L12 (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)
4/12/2023	59	67	37	50	4/12/2023	15:00 - 15:59	61	63	35
10/12/2023	28	29	18	24		16:00 - 16:59	63	57	39
16/12/2023	47	185	38	32		17:00 - 17:59	53	52	40
22/12/2023	67	107	42	53	10/12/2023	15:00 - 15:59	39	49	25
28/12/2023	43	85	28	33		16:00 - 16:59	39	42	24
						17:00 - 17:59	36	41	25
					16/12/2023	15:00 - 15:59	48	134	45
						16:00 - 16:59	46	112	38
						17:00 - 17:59	40	94	32
					22/12/2023	15:00 - 15:59	57	112	45
						16:00 - 16:59	58	110	46
						17:00 - 17:59	63	109	46
					28/12/2023	15:00 - 15:59	56	110	37
						16:00 - 16:59	46	121	40
						17:00 - 17:59	57	109	35
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/12/2023	*
2/12/2023	*
3/12/2023	*
4/12/2023	*
5/12/2023	*
6/12/2023	*
7/12/2023	*
8/12/2023	*
9/12/2023	*
10/12/2023	*
11/12/2023	*
12/12/2023	*
13/12/2023	*
14/12/2023	*
15/12/2023	*
16/12/2023	*
17/12/2023	*
18/12/2023	*
19/12/2023	*
20/12/2023	*
21/12/2023	*
22/12/2023	*
23/12/2023	*
24/12/2023	*
25/12/2023	*
26/12/2023	*
27/12/2023	*
28/12/2023	*
29/12/2023	*
30/12/2023	*
31/12/2023	*
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)^#
1/12/2023	4
2/12/2023	4
3/12/2023	*
4/12/2023	3
5/12/2023	4
6/12/2023	4
7/12/2023	4
8/12/2023	4
9/12/2023	4
10/12/2023	4
11/12/2023	4
12/12/2023	4
13/12/2023	4
14/12/2023	4
15/12/2023	4
16/12/2023	4
17/12/2023	4
18/12/2023	4
19/12/2023	4
20/12/2023	4
21/12/2023	4
22/12/2023	4
23/12/2023	4
24/12/2023	4
25/12/2023	4
26/12/2023	4
27/12/2023	4
28/12/2023	4
29/12/2023	4
30/12/2023	4
31/12/2023	*
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. * - Unit L10 was not on load.
Lamma Power Station Extension - Air Quality Monitoring Data for unit L11 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/12/2023	4
2/12/2023	4
3/12/2023	3
4/12/2023	5 ^
5/12/2023	4
6/12/2023	4
7/12/2023	4
8/12/2023	4
9/12/2023	4
10/12/2023	4
11/12/2023	4
12/12/2023	3
13/12/2023	4
14/12/2023	4
15/12/2023	3
16/12/2023	5 ^
17/12/2023	5 ^
18/12/2023	4
19/12/2023	4
20/12/2023	6 ^
21/12/2023	5 ^
22/12/2023	6 ^
23/12/2023	8 ^
24/12/2023	5 ^
25/12/2023	4
26/12/2023	5 ^
27/12/2023	4
28/12/2023	4
29/12/2023	4
30/12/2023	4
31/12/2023	4
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. * - Unit L11 was not on load. ^ - Unit L11 was operating with loading less than 266 MW.