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)
2/4/2023	25	23	20	17	2/4/2023	15:00 - 15:59	22	24	20
8/4/2023	53	49	37	32		16:00 - 16:59	33	30	26
14/4/2023	92	88	71	71		17:00 - 17:59	32	29	26
20/4/2023	19	21	17	19	8/4/2023	15:00 - 15:59	61	56	41
26/4/2023	32	27	20	19		16:00 - 16:59	64	64	45
						17:00 - 17:59	68	67	50
					14/4/2023	15:00 - 15:59	83	92	84
						16:00 - 16:59	84	122	95
						17:00 - 17:59	91	106	92
					20/4/2023	15:00 - 15:59	21	25	16
						16:00 - 16:59	20	19	11
						17:00 - 17:59	8	9	4
					26/4/2023	15:00 - 15:59	66	19	14
						16:00 - 16:59	42	21	16
						17:00 - 17:59	24	27	23
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/4/2023	63
2/4/2023	*
3/4/2023	*
4/4/2023	*
5/4/2023	*
6/4/2023	*
7/4/2023	*
8/4/2023	*
9/4/2023	*
10/4/2023	*
11/4/2023	63
12/4/2023	65
13/4/2023	61
14/4/2023	64
15/4/2023	59
16/4/2023	*
17/4/2023	*
18/4/2023	*
19/4/2023	57
20/4/2023	54
21/4/2023	59
22/4/2023	*
23/4/2023	*
24/4/2023	58
25/4/2023	62
26/4/2023	66
27/4/2023	61
28/4/2023	59
29/4/2023	*
30/4/2023	*
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)^#
1/4/2023	3
2/4/2023	3
3/4/2023	3
4/4/2023	3
5/4/2023	3
6/4/2023	3
7/4/2023	3
8/4/2023	3
9/4/2023	3
10/4/2023	3
11/4/2023	3
12/4/2023	3
13/4/2023	3
14/4/2023	*
15/4/2023	3
16/4/2023	3
17/4/2023	3
18/4/2023	2
19/4/2023	3
20/4/2023	3
21/4/2023	3
22/4/2023	2
23/4/2023	3
24/4/2023	2
25/4/2023	2
26/4/2023	3
27/4/2023	3
28/4/2023	3
29/4/2023	3
30/4/2023	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)^#
1/4/2023	4
2/4/2023	3
3/4/2023	3
4/4/2023	3
5/4/2023	3
6/4/2023	3
7/4/2023	3
8/4/2023	3
9/4/2023	3
10/4/2023	3
11/4/2023	4
12/4/2023	3
13/4/2023	3
14/4/2023	3
15/4/2023	3
16/4/2023	3
17/4/2023	3
18/4/2023	3
19/4/2023	2
20/4/2023	2
21/4/2023	3
22/4/2023	3
23/4/2023	3
24/4/2023	3
25/4/2023	3
26/4/2023	3
27/4/2023	3
28/4/2023	3
29/4/2023	3
30/4/2023	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.