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)
1/2/2023	53	27	37	43	1/2/2023	15:00 - 15:59	45	40	27
7/2/2023	22	19	15	32		16:00 - 16:59	41	37	29
13/2/2023	36	21	10	17		17:00 - 17:59	41	23	35
19/2/2023	52	49	31	47	7/2/2023	15:00 - 15:59	29	14	10
25/2/2023	60	163	51	65		16:00 - 16:59	32	14	12
						17:00 - 17:59	19	16	22
					13/2/2023	15:00 - 15:59	29	20	15
						16:00 - 16:59	20	22	14
						17:00 - 17:59	31	20	12
					19/2/2023	15:00 - 15:59	67	92	50
						16:00 - 16:59	101	71	36
						17:00 - 17:59	130	60	38
					25/2/2023	15:00 - 15:59	74	117	59
						16:00 - 16:59	64	92	58
						17:00 - 17:59	67	75	55
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/2/2023	59
2/2/2023	61
3/2/2023	59
4/2/2023	61
5/2/2023	58
6/2/2023	56
7/2/2023	58
8/2/2023	58
9/2/2023	57
10/2/2023	56
11/2/2023	54
12/2/2023	*
13/2/2023	56
14/2/2023	60
15/2/2023	63
16/2/2023	64
17/2/2023	60
18/2/2023	61
19/2/2023	60
20/2/2023	60
21/2/2023	62
22/2/2023	62
23/2/2023	60
24/2/2023	63
25/2/2023	63
26/2/2023	63
27/2/2023	64
28/2/2023	61
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)^#
1/2/2023	3
2/2/2023	3
3/2/2023	3
4/2/2023	3
5/2/2023	*
6/2/2023	2
7/2/2023	3
8/2/2023	3
9/2/2023	3
10/2/2023	3
11/2/2023	3
12/2/2023	3
13/2/2023	2
14/2/2023	3
15/2/2023	3
16/2/2023	3
17/2/2023	3
18/2/2023	3
19/2/2023	3
20/2/2023	3
21/2/2023	3
22/2/2023	3
23/2/2023	3
24/2/2023	3
25/2/2023	3
26/2/2023	3
27/2/2023	3
28/2/2023	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)^#
1/2/2023	*
2/2/2023	*
3/2/2023	*
4/2/2023	*
5/2/2023	*
6/2/2023	*
7/2/2023	*
8/2/2023	*
9/2/2023	*
10/2/2023	*
11/2/2023	*
12/2/2023	*
13/2/2023	*
14/2/2023	*
15/2/2023	*
16/2/2023	*
17/2/2023	*
18/2/2023	*
19/2/2023	*
20/2/2023	*
21/2/2023	*
22/2/2023	*
23/2/2023	*
24/2/2023	*
25/2/2023	*
26/2/2023	*
27/2/2023	*
28/2/2023	*
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.