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)
2/1/2023	57	46	39	32	2/1/2023	15:00 - 15:59	63	109	69
8/1/2023	48	29	30	43		16:00 - 16:59	87	128	85
14/1/2023	17	24	5	17		17:00 - 17:59	108	77	68
20/1/2023	46	48	44	47	8/1/2023	15:00 - 15:59	38	38	41
26/1/2023	49	27	40	38		16:00 - 16:59	53	47	45
						17:00 - 17:59	55	42	41
					14/1/2023	15:00 - 15:59	22	17	3
						16:00 - 16:59	35	15	6
						17:00 - 17:59	14	28	0
					20/1/2023	15:00 - 15:59	40	41	42
						16:00 - 16:59	73	46	40
						17:00 - 17:59	43	64	37
					26/1/2023	15:00 - 15:59	37	14	36
						16:00 - 16:59	39	64	38
						17:00 - 17:59	47	45	35
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/1/2023	*
2/1/2023	*
3/1/2023	65
4/1/2023	66
5/1/2023	66
6/1/2023	66
7/1/2023	63
8/1/2023	68
9/1/2023	63
10/1/2023	57
11/1/2023	63
12/1/2023	63
13/1/2023	60
14/1/2023	59
15/1/2023	64
16/1/2023	65
17/1/2023	65
18/1/2023	69
19/1/2023	67
20/1/2023	68
21/1/2023	62
22/1/2023	55
23/1/2023	58
24/1/2023	65
25/1/2023	64
26/1/2023	65
27/1/2023	68
28/1/2023	71
29/1/2023	70
30/1/2023	69
31/1/2023	62
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)^#
1/1/2023	*
2/1/2023	*
3/1/2023	*
4/1/2023	*
5/1/2023	*
6/1/2023	3
7/1/2023	5
8/1/2023	2
9/1/2023	4
10/1/2023	9 ^
11/1/2023	3
12/1/2023	3
13/1/2023	3
14/1/2023	3
15/1/2023	3
16/1/2023	3
17/1/2023	3
18/1/2023	3
19/1/2023	3
20/1/2023	3
21/1/2023	3
22/1/2023	3
23/1/2023	3
24/1/2023	3
25/1/2023	4
26/1/2023	3
27/1/2023	3
28/1/2023	3
29/1/2023	2
30/1/2023	3
31/1/2023	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. * - Unit L10 was not on load. ^ - Unit L10 was operating with loading less than 266 MW.
Lamma Power Station Extension - Air Quality Monitoring Data for unit L11 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/1/2023	7 ^
2/1/2023	4
3/1/2023	4
4/1/2023	4
5/1/2023	4
6/1/2023	4
7/1/2023	3
8/1/2023	5
9/1/2023	3
10/1/2023	4
11/1/2023	*
12/1/2023	*
13/1/2023	*
14/1/2023	*
15/1/2023	*
16/1/2023	*
17/1/2023	*
18/1/2023	*
19/1/2023	*
20/1/2023	*
21/1/2023	*
22/1/2023	*
23/1/2023	*
24/1/2023	*
25/1/2023	*
26/1/2023	*
27/1/2023	*
28/1/2023	*
29/1/2023	*
30/1/2023	*
31/1/2023	*
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 L11 was not on load. ^ - Unit L11 was operating with loading less than 266 MW.