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)
6/8/2023	38	48	11	22	6/8/2023	15:00 - 15:59	32	58	12
12/8/2023	33	29	7	17		16:00 - 16:59	39	58	11
18/8/2023	31	33	28	44		17:00 - 17:59	34	53	12
24/8/2023	21	18	14	15	12/8/2023	15:00 - 15:59	83	30	8
30/8/2023	75	69	35	35		16:00 - 16:59	139	22	8
						17:00 - 17:59	25	25	6
					18/8/2023	15:00 - 15:59	21	27	22
						16:00 - 16:59	26	31	28
						17:00 - 17:59	34	38	34
					24/8/2023	15:00 - 15:59	67	18	9
						16:00 - 16:59	13	19	10
						17:00 - 17:59	14	13	10
					30/8/2023	15:00 - 15:59	51	83	38
						16:00 - 16:59	47	81	45
						17:00 - 17:59	57	60	45
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/8/2023	59
2/8/2023	62
3/8/2023	59
4/8/2023	58
5/8/2023	59
6/8/2023	55
7/8/2023	57
8/8/2023	57
9/8/2023	55
10/8/2023	56
11/8/2023	54
12/8/2023	54
13/8/2023	55
14/8/2023	57
15/8/2023	54
16/8/2023	54
17/8/2023	55
18/8/2023	55
19/8/2023	54
20/8/2023	*
21/8/2023	57
22/8/2023	56
23/8/2023	56
24/8/2023	56
25/8/2023	56
26/8/2023	56
27/8/2023	54
28/8/2023	57
29/8/2023	56
30/8/2023	56
31/8/2023	58
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)^#
1/8/2023	3
2/8/2023	3
3/8/2023	3
4/8/2023	3
5/8/2023	3
6/8/2023	3
7/8/2023	3
8/8/2023	3
9/8/2023	3
10/8/2023	3
11/8/2023	3
12/8/2023	3
13/8/2023	3
14/8/2023	2
15/8/2023	2
16/8/2023	3
17/8/2023	3
18/8/2023	3
19/8/2023	3
20/8/2023	3
21/8/2023	3
22/8/2023	3
23/8/2023	3
24/8/2023	3
25/8/2023	3
26/8/2023	3
27/8/2023	*
28/8/2023	3
29/8/2023	3
30/8/2023	3
31/8/2023	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.
Lamma Power Station Extension - Air Quality Monitoring Data for unit L11 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/8/2023	2
2/8/2023	2
3/8/2023	2
4/8/2023	3
5/8/2023	3
6/8/2023	3
7/8/2023	3
8/8/2023	3
9/8/2023	4
10/8/2023	2
11/8/2023	2
12/8/2023	2
13/8/2023	3
14/8/2023	2
15/8/2023	2
16/8/2023	2
17/8/2023	2
18/8/2023	2
19/8/2023	2
20/8/2023	2
21/8/2023	2
22/8/2023	2
23/8/2023	3
24/8/2023	3
25/8/2023	4
26/8/2023	4
27/8/2023	3
28/8/2023	3
29/8/2023	3
30/8/2023	3
31/8/2023	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.