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)
1/3/2020	34	30	27	25	1/3/2020	15:00 - 15:59	27	36	30
7/3/2020	35	33	30	17		16:00 - 16:59	48	29	25
13/3/2020	40	40	34	24		17:00 - 17:59	29	23	25
19/3/2020	34	32	29	8	7/3/2020	15:00 - 15:59	35	31	34
25/3/2020	35	36	32	31		16:00 - 16:59	38	34	32
31/3/2020	19	21	19	17		17:00 - 17:59	35	33	30
					13/3/2020	15:00 - 15:59	61	61	43
						16:00 - 16:59	46	42	43
						17:00 - 17:59	47	37	38
					19/3/2020	15:00 - 15:59	63	50	38
						16:00 - 16:59	44	26	24
						17:00 - 17:59	21	21	19
					25/3/2020	15:00 - 15:59	30	29	29
						16:00 - 16:59	29	32	28
						17:00 - 17:59	39	33	29
					31/3/2020	15:00 - 15:59	30	26	23
						16:00 - 16:59	31	19	20
						17:00 - 17:59	7	16	20
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/3/2020		*
2/3/2020		*
3/3/2020		*
4/3/2020		*
5/3/2020		*
6/3/2020		*
7/3/2020		*
8/3/2020		*
9/3/2020		*
10/3/2020		*
11/3/2020		*
12/3/2020		43
13/3/2020		61
14/3/2020		54
15/3/2020		51
16/3/2020		53
17/3/2020		52
18/3/2020		52
19/3/2020		52
20/3/2020		52
21/3/2020		50
22/3/2020		52
23/3/2020		53
24/3/2020		58
25/3/2020		54
26/3/2020		52
27/3/2020		51
28/3/2020		51
29/3/2020		53
30/3/2020		53
31/3/2020		52
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)^#
1/3/2020		3
2/3/2020		3
3/3/2020		3
4/3/2020		3
5/3/2020		3
6/3/2020		3
7/3/2020		3
8/3/2020		3
9/3/2020		3
10/3/2020		3
11/3/2020		3
12/3/2020		3
13/3/2020		3
14/3/2020		3
15/3/2020		3
16/3/2020		3
17/3/2020		3
18/3/2020		3
19/3/2020		5
20/3/2020		5
21/3/2020		3
22/3/2020		3
23/3/2020		3
24/3/2020		3
25/3/2020		3
26/3/2020		3
27/3/2020		3
28/3/2020		*
29/3/2020		*
30/3/2020		*
31/3/2020		*
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.