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)
3/3/2023	68	68	48	75	3/3/2023	15:00 - 15:59	66	119	50
9/3/2023	66	51	31	18		16:00 - 16:59	69	76	58
15/3/2023	48	49	34	64		17:00 - 17:59	84	76	56
21/3/2023	26	27	15	19	9/3/2023	15:00 - 15:59	96	87	38
27/3/2023	19	18	22	21		16:00 - 16:59	70	86	37
						17:00 - 17:59	57	59	33
					15/3/2023	15:00 - 15:59	70	47	38
						16:00 - 16:59	50	49	36
						17:00 - 17:59	47	49	39
					21/3/2023	15:00 - 15:59	29	20	10
						16:00 - 16:59	24	21	13
						17:00 - 17:59	25	22	13
					27/3/2023	15:00 - 15:59	20	21	24
						16:00 - 16:59	22	21	32
						17:00 - 17:59	12	17	30
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/3/2023	65
2/3/2023	67
3/3/2023	72
4/3/2023	71
5/3/2023	76
6/3/2023	76
7/3/2023	70
8/3/2023	65
9/3/2023	65
10/3/2023	74
11/3/2023	71
12/3/2023	71
13/3/2023	69
14/3/2023	72
15/3/2023	70
16/3/2023	74
17/3/2023	68
18/3/2023	66
19/3/2023	66
20/3/2023	63
21/3/2023	59
22/3/2023	58
23/3/2023	58
24/3/2023	60
25/3/2023	62
26/3/2023	66
27/3/2023	68
28/3/2023	69
29/3/2023	69
30/3/2023	67
31/3/2023	62
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)^#
1/3/2023	3
2/3/2023	3
3/3/2023	3
4/3/2023	3
5/3/2023	*
6/3/2023	32
7/3/2023	3
8/3/2023	3
9/3/2023	2
10/3/2023	3
11/3/2023	3
12/3/2023	2
13/3/2023	3
14/3/2023	3
15/3/2023	3
16/3/2023	3
17/3/2023	3
18/3/2023	3
19/3/2023	3
20/3/2023	2
21/3/2023	3
22/3/2023	2
23/3/2023	2
24/3/2023	3
25/3/2023	2
26/3/2023	2
27/3/2023	2
28/3/2023	3
29/3/2023	3
30/3/2023	3
31/3/2023	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)^#
1/3/2023	*
2/3/2023	*
3/3/2023	*
4/3/2023	*
5/3/2023	*
6/3/2023	*
7/3/2023	*
8/3/2023	*
9/3/2023	*
10/3/2023	*
11/3/2023	*
12/3/2023	*
13/3/2023	*
14/3/2023	*
15/3/2023	*
16/3/2023	*
17/3/2023	*
18/3/2023	*
19/3/2023	*
20/3/2023	*
21/3/2023	*
22/3/2023	*
23/3/2023	*
24/3/2023	*
25/3/2023	*
26/3/2023	*
27/3/2023	*
28/3/2023	*
29/3/2023	*
30/3/2023	3
31/3/2023	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.