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)
1/7/2023	15	14	9	24	7/7/2023	15:00 - 15:59	26	89	31
7/7/2023	40	51	23	31		16:00 - 16:59	36	91	30
13/7/2023	15	17	11	11		17:00 - 17:59	27	57	29
19/7/2023	19	23	15	21	13/7/2023	15:00 - 15:59	20	9	8
25/7/2023	18	35	13	8		16:00 - 16:59	1	8	9
31/7/2023	15	18	6	11		17:00 - 17:59	22	30	14
					19/7/2023	15:00 - 15:59	16	18	9
						16:00 - 16:59	13	27	11
						17:00 - 17:59	18	24	14
					25/7/2023	15:00 - 15:59	19	44	20
						16:00 - 16:59	20	48	17
						17:00 - 17:59	24	29	12
					31/7/2023	15:00 - 15:59	13	9	4
						16:00 - 16:59	9	4	4
						17:00 - 17:59	9	8	6
					7/7/2023	15:00 - 15:59	26	89	31
						16:00 - 16:59	36	91	30
						17:00 - 17:59	27	57	29
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/7/2023	57
2/7/2023	55
3/7/2023	59
4/7/2023	61
5/7/2023	58
6/7/2023	60
7/7/2023	59
8/7/2023	59
9/7/2023	59
10/7/2023	59
11/7/2023	58
12/7/2023	59
13/7/2023	60
14/7/2023	59
15/7/2023	57
16/7/2023	56
17/7/2023	53
18/7/2023	51
19/7/2023	54
20/7/2023	54
21/7/2023	55
22/7/2023	56
23/7/2023	61
24/7/2023	56
25/7/2023	57
26/7/2023	58
27/7/2023	57
28/7/2023	56
29/7/2023	56
30/7/2023	58
31/7/2023	59
Note:
# - Hourly average value. Expressed as at 0°C, 101.325kPa, dry and corrected to 15% O2 condition.
Lamma Power Station Extension - Air Quality Monitoring Data for unit L10 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/7/2023	2
2/7/2023	2
3/7/2023	3
4/7/2023	3
5/7/2023	3
6/7/2023	3
7/7/2023	3
8/7/2023	3
9/7/2023	2
10/7/2023	3
11/7/2023	2
12/7/2023	2
13/7/2023	2
14/7/2023	2
15/7/2023	2
16/7/2023	*
17/7/2023	3
18/7/2023	2
19/7/2023	2
20/7/2023	2
21/7/2023	2
22/7/2023	3
23/7/2023	3
24/7/2023	3
25/7/2023	3
26/7/2023	3
27/7/2023	3
28/7/2023	3
29/7/2023	3
30/7/2023	3
31/7/2023	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)^#
1/7/2023	3
2/7/2023	2
3/7/2023	3
4/7/2023	3
5/7/2023	3
6/7/2023	2
7/7/2023	3
8/7/2023	2
9/7/2023	2
10/7/2023	3
11/7/2023	3
12/7/2023	3
13/7/2023	3
14/7/2023	3
15/7/2023	3
16/7/2023	3
17/7/2023	3
18/7/2023	3
19/7/2023	3
20/7/2023	3
21/7/2023	3
22/7/2023	3
23/7/2023	*
24/7/2023	3
25/7/2023	3
26/7/2023	3
27/7/2023	3
28/7/2023	3
29/7/2023	3
30/7/2023	3
31/7/2023	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 L11 was not on load.