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)
5/10/2023	44	54	27	21	5/10/2023	15:00 - 15:59	45	74	31
11/10/2023	25	30	14	24		16:00 - 16:59	44	51	29
17/10/2023	55	62	22	40		17:00 - 17:59	49	36	26
23/10/2023	41	40	17	24	11/10/2023	15:00 - 15:59	27	25	13
29/10/2023	32	30	14	17		16:00 - 16:59	23	28	14
						17:00 - 17:59	24	27	16
					17/10/2023	15:00 - 15:59	44	60	18
						16:00 - 16:59	43	91	18
						17:00 - 17:59	48	75	21
					23/10/2023	15:00 - 15:59	47	44	19
						16:00 - 16:59	45	42	21
						17:00 - 17:59	45	41	21
					29/10/2023	15:00 - 15:59	34	34	18
						16:00 - 16:59	39	40	18
						17:00 - 17:59	45	46	19
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/10/2023	*
2/10/2023	*
3/10/2023	57
4/10/2023	58
5/10/2023	61
6/10/2023	62
7/10/2023	*
8/10/2023	*
9/10/2023	*
10/10/2023	*
11/10/2023	*
12/10/2023	*
13/10/2023	67
14/10/2023	68
15/10/2023	65
16/10/2023	*
17/10/2023	71
18/10/2023	62
19/10/2023	59
20/10/2023	62
21/10/2023	*
22/10/2023	*
23/10/2023	*
24/10/2023	66
25/10/2023	64
26/10/2023	63
27/10/2023	62
28/10/2023	62
29/10/2023	*
30/10/2023	65
31/10/2023	68
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)^#
1/10/2023	3
2/10/2023	3
3/10/2023	3
4/10/2023	3
5/10/2023	3
6/10/2023	3
7/10/2023	3
8/10/2023	*
9/10/2023	3
10/10/2023	3
11/10/2023	4
12/10/2023	3
13/10/2023	3
14/10/2023	3
15/10/2023	3
16/10/2023	3
17/10/2023	3
18/10/2023	3
19/10/2023	3
20/10/2023	3
21/10/2023	3
22/10/2023	3
23/10/2023	3
24/10/2023	3
25/10/2023	3
26/10/2023	3
27/10/2023	3
28/10/2023	3
29/10/2023	3
30/10/2023	3
31/10/2023	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)^#
1/10/2023	3
2/10/2023	3
3/10/2023	3
4/10/2023	3
5/10/2023	3
6/10/2023	4
7/10/2023	3
8/10/2023	3
9/10/2023	3
10/10/2023	3
11/10/2023	3
12/10/2023	3
13/10/2023	3
14/10/2023	*
15/10/2023	*
16/10/2023	2
17/10/2023	3
18/10/2023	3
19/10/2023	3
20/10/2023	3
21/10/2023	3
22/10/2023	3
23/10/2023	3
24/10/2023	4
25/10/2023	3
26/10/2023	3
27/10/2023	3
28/10/2023	3
29/10/2023	3
30/10/2023	3
31/10/2023	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 L11 was not on load.