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)
5/9/2023	54	63	27	63	5/9/2023	15:00 - 15:59	72	60	29
11/9/2023	24	18	9	22		16:00 - 16:59	62	60	29
17/9/2023	14	19	17	13		17:00 - 17:59	44	44	27
23/9/2023	32	21	14	14	11/9/2023	15:00 - 15:59	11	10	6
29/9/2023	34	26	14	39		16:00 - 16:59	5	8	7
						17:00 - 17:59	5	9	8
					17/9/2023	15:00 - 15:59	14	16	12
						16:00 - 16:59	15	17	19
						17:00 - 17:59	16	19	40
					23/9/2023	15:00 - 15:59	40	19	14
						16:00 - 16:59	30	28	17
						17:00 - 17:59	30	26	17
					29/9/2023	15:00 - 15:59	25	20	14
						16:00 - 16:59	22	19	15
						17:00 - 17:59	26	24	17
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/9/2023	56
2/9/2023	*
3/9/2023	*
4/9/2023	57
5/9/2023	59
6/9/2023	57
7/9/2023	55
8/9/2023	55
9/9/2023	55
10/9/2023	56
11/9/2023	55
12/9/2023	58
13/9/2023	59
14/9/2023	57
15/9/2023	59
16/9/2023	59
17/9/2023	60
18/9/2023	63
19/9/2023	61
20/9/2023	59
21/9/2023	58
22/9/2023	60
23/9/2023	60
24/9/2023	60
25/9/2023	60
26/9/2023	60
27/9/2023	60
28/9/2023	61
29/9/2023	60
30/9/2023	56
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)^#
1/9/2023	3
2/9/2023	3
3/9/2023	3
4/9/2023	3
5/9/2023	3
6/9/2023	3
7/9/2023	3
8/9/2023	3
9/9/2023	3
10/9/2023	3
11/9/2023	3
12/9/2023	3
13/9/2023	3
14/9/2023	3
15/9/2023	3
16/9/2023	3
17/9/2023	3
18/9/2023	3
19/9/2023	3
20/9/2023	3
21/9/2023	3
22/9/2023	3
23/9/2023	*
24/9/2023	3
25/9/2023	3
26/9/2023	3
27/9/2023	3
28/9/2023	4
29/9/2023	3
30/9/2023	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)^#
1/9/2023	3
2/9/2023	3
3/9/2023	3
4/9/2023	3
5/9/2023	3
6/9/2023	3
7/9/2023	3
8/9/2023	3
9/9/2023	3
10/9/2023	3
11/9/2023	3
12/9/2023	3
13/9/2023	3
14/9/2023	3
15/9/2023	3
16/9/2023	2
17/9/2023	2
18/9/2023	3
19/9/2023	3
20/9/2023	3
21/9/2023	3
22/9/2023	3
23/9/2023	3
24/9/2023	3
25/9/2023	3
26/9/2023	3
27/9/2023	3
28/9/2023	3
29/9/2023	3
30/9/2023	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.