Lamma Power Station Extension - Air Quality Monitoring Data for unit L10/L11 (Construction)
24-hr TSP (µg/m3)						1-hr TSP (µg/m3)
Date	Reservoir (AM1)	East Gate (AM2)	Ash Lagoon (AM3)	Tai Yuen Village (AM4)		Date	Time	Reservoir (AM1)	East Gate (AM2)	Ash Lagoon (AM3)
1/9/2017	77	64	64	69		1/9/2017	15:00 - 15:59	135	87	70
7/9/2017	20	28	14	18			16:00 - 16:59	57	48	37
13/9/2017	46	54	31	29			17:00 - 17:59	51	55	40
19/9/2017	41	37	34	36		7/9/2017	15:00 - 15:59	1	16	14
25/9/2017	31	(1)	16	45			16:00 - 16:59	17	19	0
27/9/2017	-	30	-	-			17:00 - 17:59	0	11	0
						13/9/2017	15:00 - 15:59	42	50	58
							16:00 - 16:59	52	49	66
							17:00 - 17:59	65	39	51
						19/9/2017	15:00 - 15:59	47	38	54
							16:00 - 16:59	38	40	57
							17:00 - 17:59	50	44	56
						25/9/2017	15:00 - 15:59	15	22	21
							16:00 - 16:59	23	21	16
							17:00 - 17:59	9	20	2
Note:  (1) TSP monitoring at AM2 (East Gate Area) was suspended on 25/09/2017 due to breakdown of High Volume Air Sampler.
Make-up 24-hr TSP sampling at AM2 was conducted on 27/09/2017.
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm3)#
1/9/2017		55
2/9/2017		50
3/9/2017		50
4/9/2017		50
5/9/2017		50
6/9/2017		52
7/9/2017		52
8/9/2017		54
9/9/2017		52
10/9/2017		53
11/9/2017		52
12/9/2017		52
13/9/2017		56
14/9/2017		58
15/9/2017		53
16/9/2017		52
17/9/2017		54
18/9/2017		53
19/9/2017		54
20/9/2017		53
21/9/2017		54
22/9/2017		55
23/9/2017		52
24/9/2017		51
25/9/2017		50
26/9/2017		51
27/9/2017		52
28/9/2017		50
29/9/2017		59
30/9/2017		52
Note:
# - Hourly average value.  Expressed as at 0°C, 101.325kPa, dry and corrected to 15% O2 condition