Lamma Power Station Extension - Air Quality Monitoring Data for unit L10/L11 (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)
6/5/2020	25	23	14	11	6/5/2020	15:00 - 15:59	35	55	16
12/5/2020	33	35	27	14		16:00 - 16:59	51	28	14
18/5/2020	20	26	19	11		17:00 - 17:59	31	16	12
24/5/2020	17	25	15	21	12/5/2020	15:00 - 15:59	47	52	32
30/5/2020	18	23	18	13		16:00 - 16:59	37	56	30
						17:00 - 17:59	41	41	30
					18/5/2020	15:00 - 15:59	21	27	15
						16:00 - 16:59	22	28	21
						17:00 - 17:59	15	22	16
					24/5/2020	15:00 - 15:59	20	33	13
						16:00 - 16:59	16	40	13
						17:00 - 17:59	17	35	15
					30/5/2020	15:00 - 15:59	18	16	11
						16:00 - 16:59	14	16	11
						17:00 - 17:59	15	17	14
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/5/2020		54
2/5/2020		52
3/5/2020		52
4/5/2020		51
5/5/2020		48
6/5/2020		52
7/5/2020		52
8/5/2020		51
9/5/2020		49
10/5/2020		55
11/5/2020		56
12/5/2020		52
13/5/2020		52
14/5/2020		52
15/5/2020		52
16/5/2020		60
17/5/2020		58
18/5/2020		52
19/5/2020		57
20/5/2020		53
21/5/2020		49
22/5/2020		52
23/5/2020		52
24/5/2020		55
25/5/2020		53
26/5/2020		53
27/5/2020		54
28/5/2020		55
29/5/2020		55
30/5/2020		52
31/5/2020		55
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)^#
1/5/2020		3
2/5/2020		*
3/5/2020		3
4/5/2020		3
5/5/2020		3
6/5/2020		3
7/5/2020		3
8/5/2020		3
9/5/2020		3
10/5/2020		3
11/5/2020		3
12/5/2020		3
13/5/2020		3
14/5/2020		3
15/5/2020		3
16/5/2020		3
17/5/2020		3
18/5/2020		3
19/5/2020		3
20/5/2020		3
21/5/2020		3
22/5/2020		3
23/5/2020		3
24/5/2020		3
25/5/2020		3
26/5/2020		3
27/5/2020		3
28/5/2020		3
29/5/2020		3
30/5/2020		3
31/5/2020		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.