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)
1/12/2018	55	29*(4/12)	51	69	1/12/2018	15:00 - 15:59	27	16*(4/12)	45
7/12/2018	28	33	29	33		16:00 - 16:59	38	17*(4/12)	49
13/12/2018	51	50	48	42		17:00 - 17:59	50	17*(4/12)	49
19/12/2018	68	53	56	64	7/12/2018	15:00 - 15:59	26	28	28
25/12/2018	33	31	31	26		16:00 - 16:59	24	34	29
31/12/2018	61	72	57	83		17:00 - 17:59	19	38	28
					13/12/2018	15:00 - 15:59	74	117	76
						16:00 - 16:59	87	120	82
						17:00 - 17:59	74	99	80
					19/12/2018	15:00 - 15:59	66	50	54
						16:00 - 16:59	67	54	56
						17:00 - 17:59	71	59	60
					25/12/2018	15:00 - 15:59	43	39	37
						16:00 - 16:59	45	42	39
						17:00 - 17:59	46	41	40
					31/12/2018	15:00 - 15:59	75	146	81
						16:00 - 16:59	87	188	89
						17:00 - 17:59	87	138	89
					* - TSP monitoring at AM2 (East Gate) was suspended on 01/12/2018 due to the maintenance of the TEOM. Make-up 24-hr TSP sampling at AM2 was conducted on 04/12/2018.
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/12/2018		60
2/12/2018		58
3/12/2018		57
4/12/2018		57
5/12/2018		57
6/12/2018		57
7/12/2018		57
8/12/2018		*
9/12/2018		60
10/12/2018		60
11/12/2018		61
12/12/2018		62
13/12/2018		61
14/12/2018		62
15/12/2018		64
16/12/2018		60
17/12/2018		66
18/12/2018		66
19/12/2018		59
20/12/2018		58
21/12/2018		58
22/12/2018		59
23/12/2018		57
24/12/2018		58
25/12/2018		60
26/12/2018		58
27/12/2018		61
28/12/2018		63
29/12/2018		62
30/12/2018		62
31/12/2018		62
Note:
# - Hourly average value. Expressed as at 0°C, 101.325kPa, dry and corrected to 15% O2 condition * - Unit L9 was not on load.