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)
6/4/2020	20	21	18	11	6/4/2020	15:00 - 15:59	19	13	10
12/4/2020	36	53	32	18		16:00 - 16:59	9	9	7
18/4/2020	44	47	36	35		17:00 - 17:59	10	9	8
24/4/2020	22	40	25	10	12/4/2020	15:00 - 15:59	110	97	57
30/4/2020	55	53	39	25		16:00 - 16:59	113	67	49
						17:00 - 17:59	62	54	51
					18/4/2020	15:00 - 15:59	35	59	31
						16:00 - 16:59	36	61	37
						17:00 - 17:59	51	58	45
					24/4/2020	15:00 - 15:59	37	78	46
						16:00 - 16:59	50	75	50
						17:00 - 17:59	60	53	43
					30/4/2020	15:00 - 15:59	40	54	40
						16:00 - 16:59	69	46	38
						17:00 - 17:59	64	49	38
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/4/2020		53
2/4/2020		53
3/4/2020		54
4/4/2020		54
5/4/2020		58
6/4/2020		56
7/4/2020		56
8/4/2020		61
9/4/2020		63
10/4/2020		59
11/4/2020		56
12/4/2020		65
13/4/2020		69
14/4/2020		60
15/4/2020		61
16/4/2020		56
17/4/2020		58
18/4/2020		57
19/4/2020		53
20/4/2020		51
21/4/2020		53
22/4/2020		55
23/4/2020		56
24/4/2020		57
25/4/2020		56
26/4/2020		58
27/4/2020		63
28/4/2020		60
29/4/2020		56
30/4/2020		56
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)^#
1/4/2020		*
2/4/2020		*
3/4/2020		*
4/4/2020		3
5/4/2020		3
6/4/2020		3
7/4/2020		3
8/4/2020		3
9/4/2020		3
10/4/2020		3
11/4/2020		3
12/4/2020		3
13/4/2020		3
14/4/2020		3
15/4/2020		3
16/4/2020		3
17/4/2020		3
18/4/2020		3
19/4/2020		3
20/4/2020		3
21/4/2020		3
22/4/2020		3
23/4/2020		3
24/4/2020		3
25/4/2020		3
26/4/2020		3
27/4/2020		3
28/4/2020		3
29/4/2020		3
30/4/2020		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.