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)
3/10/2020	34	37	31	56	3/10/2020	15:00 - 15:59	37	38	32
9/10/2020	42	58	43	31		16:00 - 16:59	35	38	32
15/10/2020	41	43	35	53		17:00 - 17:59	34	39	32
21/10/2020	64	87	56	29	9/10/2020	15:00 - 15:59	53	67	48
27/10/2020	40	39	32	25		16:00 - 16:59	56	70	56
						17:00 - 17:59	59	69	59
					15/10/2020	15:00 - 15:59	48	47	41
						16:00 - 16:59	52	54	46
						17:00 - 17:59	59	57	44
					21/10/2020	15:00 - 15:59	125	102	72
						16:00 - 16:59	59	89	63
						17:00 - 17:59	63	82	64
					27/10/2020	15:00 - 15:59	58	53	42
						16:00 - 16:59	60	49	40
						17:00 - 17:59	54	42	35
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/10/2020	57
2/10/2020	57
3/10/2020	56
4/10/2020	56
5/10/2020	56
6/10/2020	57
7/10/2020	57
8/10/2020	59
9/10/2020	61
10/10/2020	61
11/10/2020	59
12/10/2020	59
13/10/2020	56
14/10/2020	57
15/10/2020	56
16/10/2020	56
17/10/2020	56
18/10/2020	57
19/10/2020	56
20/10/2020	57
21/10/2020	57
22/10/2020	55
23/10/2020	58
24/10/2020	60
25/10/2020	55
26/10/2020	53
27/10/2020	56
28/10/2020	54
29/10/2020	56
30/10/2020	52
31/10/2020	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)^#
1/10/2020		*
2/10/2020		*
3/10/2020		*
4/10/2020		*
5/10/2020		*
6/10/2020		*
7/10/2020		*
8/10/2020		3
9/10/2020		3
10/10/2020		3
11/10/2020		3
12/10/2020		3
13/10/2020		3
14/10/2020		3
15/10/2020		3
16/10/2020		3
17/10/2020		3
18/10/2020		3
19/10/2020		3
20/10/2020		3
21/10/2020		3
22/10/2020		3
23/10/2020		3
24/10/2020		3
25/10/2020		3
26/10/2020		3
27/10/2020		3
28/10/2020		3
29/10/2020		*
30/10/2020		3
31/10/2020		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.