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)
3/9/2020	50	48	49	56	3/9/2020	15:00 - 15:59	53	51	42
9/9/2020	18	26	15	31		16:00 - 16:59	38	42	44
15/9/2020	16	20	14	53		17:00 - 17:59	65	49	46
21/9/2020	12	18	12	29	9/9/2020	15:00 - 15:59	8	24	7
27/9/2020	31	34	25	25		16:00 - 16:59	18	34	12
						17:00 - 17:59	25	24	16
					15/9/2020	15:00 - 15:59	10	12	6
						16:00 - 16:59	9	11	6
						17:00 - 17:59	3	12	4
					21/9/2020	15:00 - 15:59	11	14	11
						16:00 - 16:59	10	13	15
						17:00 - 17:59	21	20	13
					27/9/2020	15:00 - 15:59	28	30	21
						16:00 - 16:59	25	29	22
						17:00 - 17:59	27	35	23
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/9/2020		48
2/9/2020		48
3/9/2020		47
4/9/2020		47
5/9/2020		47
6/9/2020		48
7/9/2020		48
8/9/2020		47
9/9/2020		47
10/9/2020		47
11/9/2020		48
12/9/2020		49
13/9/2020		51
14/9/2020		49
15/9/2020		50
16/9/2020		51
17/9/2020		51
18/9/2020		50
19/9/2020		50
20/9/2020		51
21/9/2020		51
22/9/2020		52
23/9/2020		52
24/9/2020		50
25/9/2020		52
26/9/2020		53
27/9/2020		51
28/9/2020		51
29/9/2020		50
30/9/2020		52
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)^#
1/9/2020		3
2/9/2020		3
3/9/2020		3
4/9/2020		3
5/9/2020		3
6/9/2020		3
7/9/2020		3
8/9/2020		3
9/9/2020		3
10/9/2020		3
11/9/2020		3
12/9/2020		3
13/9/2020		3
14/9/2020		3
15/9/2020		3
16/9/2020		3
17/9/2020		3
18/9/2020		3
19/9/2020		3
20/9/2020		3
21/9/2020		3
22/9/2020		3
23/9/2020		3
24/9/2020		3
25/9/2020		3
26/9/2020		3
27/9/2020		3
28/9/2020		3
29/9/2020		3
30/9/2020		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.