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)
3/12/2022	49	49	36	54	3/12/2022	15:00 - 15:59	70	81	53
9/12/2022	67	56	45	65		16:00 - 16:59	72	70	55
15/12/2022	13	12	10	58		17:00 - 17:59	66	55	54
21/12/2022	56	75	34	65	9/12/2022	15:00 - 15:59	91	82	54
27/12/2022	48	32	39	35		16:00 - 16:59	82	77	54
						17:00 - 17:59	112	56	66
					15/12/2022	15:00 - 15:59	26	39	18
						16:00 - 16:59	23	34	18
						17:00 - 17:59	33	19	17
					21/12/2022	15:00 - 15:59	73	76	49
						16:00 - 16:59	58	64	36
						17:00 - 17:59	43	51	36
					27/12/2022	15:00 - 15:59	46	27	33
						16:00 - 16:59	40	30	36
						17:00 - 17:59	58	37	39
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/12/2022	59
2/12/2022	61
3/12/2022	60
4/12/2022	60
5/12/2022	60
6/12/2022	65
7/12/2022	60
8/12/2022	60
9/12/2022	60
10/12/2022	64
11/12/2022	62
12/12/2022	61
13/12/2022	61
14/12/2022	57
15/12/2022	57
16/12/2022	56
17/12/2022	66
18/12/2022	70
19/12/2022	65
20/12/2022	61
21/12/2022	68
22/12/2022	68
23/12/2022	68
24/12/2022	66
25/12/2022	65
26/12/2022	63
27/12/2022	63
28/12/2022	59
29/12/2022	60
30/12/2022	61
31/12/2022	64
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)^#
1/12/2022	*
2/12/2022	*
3/12/2022	*
4/12/2022	*
5/12/2022	*
6/12/2022	*
7/12/2022	*
8/12/2022	*
9/12/2022	*
10/12/2022	*
11/12/2022	*
12/12/2022	*
13/12/2022	*
14/12/2022	*
15/12/2022	*
16/12/2022	*
17/12/2022	*
18/12/2022	*
19/12/2022	*
20/12/2022	*
21/12/2022	*
22/12/2022	*
23/12/2022	*
24/12/2022	*
25/12/2022	*
26/12/2022	*
27/12/2022	*
28/12/2022	*
29/12/2022	*
30/12/2022	*
31/12/2022	*
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)^#
1/12/2022	5
2/12/2022	6
3/12/2022	4
4/12/2022	4
5/12/2022	4
6/12/2022	5
7/12/2022	4
8/12/2022	4
9/12/2022	4
10/12/2022	3
11/12/2022	3
12/12/2022	5
13/12/2022	4
14/12/2022	6 ^
15/12/2022	5
16/12/2022	4
17/12/2022	4
18/12/2022	4
19/12/2022	4
20/12/2022	6 ^
21/12/2022	4
22/12/2022	4
23/12/2022	5
24/12/2022	6 ^
25/12/2022	7 ^
26/12/2022	7 ^
27/12/2022	4
28/12/2022	6
29/12/2022	4
30/12/2022	5
31/12/2022	6 ^
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 operating with loading less than 266 MW.