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)
1/1/2021	39	43	32	24	1/1/2021	15:00 - 15:59	62	57	45
7/1/2021	65	70	59	76		16:00 - 16:59	52	49	39
13/1/2021	57	61	44	51		17:00 - 17:59	60	44	40
19/1/2021	61	63	44	64	7/1/2021	15:00 - 15:59	95	93	71
25/1/2021	36	34	34	36		16:00 - 16:59	80	73	63
31/1/2021	40	37	31	24		17:00 - 17:59	79	67	60
					13/1/2021	15:00 - 15:59	53	53	41
						16:00 - 16:59	56	51	43
						17:00 - 17:59	59	46	31
					19/1/2021	15:00 - 15:59	47	52	34
						16:00 - 16:59	49	58	38
						17:00 - 17:59	57	69	51
					25/1/2021	15:00 - 15:59	39	42	31
						16:00 - 16:59	44	40	33
						17:00 - 17:59	53	33	34
					31/1/2021	15:00 - 15:59	52	36	29
						16:00 - 16:59	47	35	27
						17:00 - 17:59	35	33	24
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/1/2021	55
2/1/2021	56
3/1/2021	52
4/1/2021	51
5/1/2021	53
6/1/2021	51
7/1/2021	55
8/1/2021	57
9/1/2021	59
10/1/2021	57
11/1/2021	55
12/1/2021	56
13/1/2021	55
14/1/2021	54
15/1/2021	54
16/1/2021	*
17/1/2021	54
18/1/2021	55
19/1/2021	55
20/1/2021	54
21/1/2021	55
22/1/2021	53
23/1/2021	52
24/1/2021	52
25/1/2021	54
26/1/2021	51
27/1/2021	54
28/1/2021	51
29/1/2021	54
30/1/2021	52
31/1/2021	53
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)^#
1/1/2021		*
2/1/2021		*
3/1/2021		*
4/1/2021		*
5/1/2021		*
6/1/2021		*
7/1/2021		*
8/1/2021		*
9/1/2021		*
10/1/2021		*
11/1/2021		*
12/1/2021		*
13/1/2021		*
14/1/2021		*
15/1/2021		*
16/1/2021		*
17/1/2021		*
18/1/2021		*
19/1/2021		*
20/1/2021		*
21/1/2021		*
22/1/2021		*
23/1/2021		*
24/1/2021		*
25/1/2021		*
26/1/2021		*
27/1/2021		*
28/1/2021		*
29/1/2021		*
30/1/2021		*
31/1/2021		*
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.