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)
1/6/2023	23	37	17	28	1/6/2023	15:00 - 15:59	7	46	14
7/6/2023	18	22	8	14		16:00 - 16:59	5	50	19
13/6/2023	22	24	9	11		17:00 - 17:59	12	49	23
19/6/2023	23	25	18	10	7/6/2023	15:00 - 15:59	23	28	9
25/6/2023	16	18	15	8		16:00 - 16:59	18	27	8
						17:00 - 17:59	24	24	8
					13/6/2023	16:00 - 16:59	22	32	10
						16:00 - 16:59	27	26	11
						17:00 - 17:59	22	29	11
					19/6/2023	15:00 - 15:59	28	29	17
						16:00 - 16:59	30	27	18
						17:00 - 17:59	31	24	20
					25/6/2023	15:00 - 15:59	39	34	19
						16:00 - 16:59	21	20	15
						17:00 - 17:59	19	22	18
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/6/2023	*
2/6/2023	*
3/6/2023	*
4/6/2023	52
5/6/2023	52
6/6/2023	56
7/6/2023	57
8/6/2023	57
9/6/2023	57
10/6/2023	56
11/6/2023	55
12/6/2023	56
13/6/2023	55
14/6/2023	57
15/6/2023	56
16/6/2023	57
17/6/2023	57
18/6/2023	55
19/6/2023	58
20/6/2023	56
21/6/2023	56
22/6/2023	53
23/6/2023	54
24/6/2023	53
25/6/2023	*
26/6/2023	61
27/6/2023	58
28/6/2023	57
29/6/2023	59
30/6/2023	54
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)^#
1/6/2023	2
2/6/2023	2
3/6/2023	3
4/6/2023	2
5/6/2023	2
6/6/2023	2
7/6/2023	3
8/6/2023	2
9/6/2023	2
10/6/2023	2
11/6/2023	2
12/6/2023	2
13/6/2023	*
14/6/2023	*
15/6/2023	3
16/6/2023	*
17/6/2023	2
18/6/2023	2
19/6/2023	2
20/6/2023	2
21/6/2023	*
22/6/2023	2
23/6/2023	2
24/6/2023	2
25/6/2023	2
26/6/2023	3
27/6/2023	2
28/6/2023	2
29/6/2023	2
30/6/2023	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)^#
1/6/2023	2
2/6/2023	2
3/6/2023	2
4/6/2023	2
5/6/2023	2
6/6/2023	2
7/6/2023	2
8/6/2023	2
9/6/2023	2
10/6/2023	3
11/6/2023	3
12/6/2023	3
13/6/2023	2
14/6/2023	2
15/6/2023	2
16/6/2023	2
17/6/2023	3
18/6/2023	3
19/6/2023	3
20/6/2023	3
21/6/2023	3
22/6/2023	3
23/6/2023	3
24/6/2023	3
25/6/2023	2
26/6/2023	3
27/6/2023	3
28/6/2023	3
29/6/2023	2
30/6/2023	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.