Lamma Power Station Extension - Air Quality Monitoring Data for Unit L9 (Operation)
Month:	April 2009
Date	Daily Maximum Stack NOx Concentration
	(mg/Nm3)#
1/4/2009	65
2/4/2009	67
3/4/2009	65
4/4/2009	*
5/4/2009	*
6/4/2009	*
7/4/2009	62
8/4/2009	58
9/4/2009	65
10/4/2009	68
11/4/2009	*
12/4/2009	*
13/4/2009	*
14/4/2009	55
15/4/2009	52
16/4/2009	55
17/4/2009	57
18/4/2009	57
19/4/2009	50
20/4/2009	56
21/4/2009	57
22/4/2009	58
23/4/2009	57
24/4/2009	54
25/4/2009	51
26/4/2009	58
27/4/2009	63
28/4/2009	66
29/4/2009	66
30/4/2009	60
Note: # - Hourly average value.  Expressed as at 0ºC, 101.325kPa, dry and
corrected to 15% O2 condition.
* - Unit L9 was not on load.