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)
2/5/2023	34	46	44	47	2/5/2023	15:00 - 15:59	31	45	33
8/5/2023	8	20	16	13		16:00 - 16:59	31	42	31
14/5/2023	5	17	13	24		17:00 - 17:59	28	35	30
20/5/2023	22	35	30	31	8/5/2023	15:00 - 15:59	6	9	9
26/5/2023	57	31	26	28		16:00 - 16:59	4	10	12
						17:00 - 17:59	0	17	16
					14/5/2023	16:00 - 16:59	5	3	2
						16:00 - 16:59	3	0	5
						17:00 - 17:59	0	17	17
					20/5/2023	15:00 - 15:59	73	44	25
						16:00 - 16:59	42	45	25
						17:00 - 17:59	23	30	25
					26/5/2023	15:00 - 15:59	12	22	19
						16:00 - 16:59	9	22	20
						17:00 - 17:59	6	26	23
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/5/2023	*
2/5/2023	61
3/5/2023	61
4/5/2023	61
5/5/2023	57
6/5/2023	56
7/5/2023	57
8/5/2023	59
9/5/2023	65
10/5/2023	65
11/5/2023	*
12/5/2023	63
13/5/2023	61
14/5/2023	*
15/5/2023	59
16/5/2023	*
17/5/2023	*
18/5/2023	54
19/5/2023	58
20/5/2023	57
21/5/2023	55
22/5/2023	57
23/5/2023	58
24/5/2023	58
25/5/2023	57
26/5/2023	56
27/5/2023	61
28/5/2023	64
29/5/2023	61
30/5/2023	56
31/5/2023	55
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)^#
1/5/2023	3
2/5/2023	3
3/5/2023	2
4/5/2023	3
5/5/2023	2
6/5/2023	3
7/5/2023	2
8/5/2023	3
9/5/2023	2
10/5/2023	3
11/5/2023	3
12/5/2023	3
13/5/2023	3
14/5/2023	3
15/5/2023	3
16/5/2023	2
17/5/2023	3
18/5/2023	3
19/5/2023	2
20/5/2023	2
21/5/2023	3
22/5/2023	2
23/5/2023	2
24/5/2023	*
25/5/2023	2
26/5/2023	*
27/5/2023	2
28/5/2023	2
29/5/2023	*
30/5/2023	2
31/5/2023	2
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)^#
1/5/2023	3
2/5/2023	3
3/5/2023	3
4/5/2023	2
5/5/2023	3
6/5/2023	3
7/5/2023	2
8/5/2023	2
9/5/2023	2
10/5/2023	3
11/5/2023	3
12/5/2023	3
13/5/2023	3
14/5/2023	2
15/5/2023	2
16/5/2023	3
17/5/2023	3
18/5/2023	3
19/5/2023	2
20/5/2023	2
21/5/2023	2
22/5/2023	2
23/5/2023	2
24/5/2023	3
25/5/2023	2
26/5/2023	2
27/5/2023	2
28/5/2023	2
29/5/2023	2
30/5/2023	2
31/5/2023	2
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.