Impact Air Quality Monitoring Results
1-hour TSP Monitoring Results at Station CA1 (Po Shan Mansions)
Date	Start	1st Hour	2nd Hour	3rd Hour
	Time	Conc.	Conc.	Conc.
	(hh:mm)	(µg/m3)	(µg/m3)	(µg/m3)
1-Dec-08	9:48	86.1	84.3	83.3
6-Dec-08	10:02	85.2	79.6	84.5
12-Dec-08	9:48	72.2	71.0	72.7
18-Dec-08	9:37	69.9	71.0	71.6
24-Dec-08	9:35	70.3	69.5	69.1
30-Dec-08	14:05	68.4	70.9	73.1
			Min	68.4
			Max	86.1
				75.2
1-hour TSP Monitoring Results at Station CA2 (Hamilton Court)
Date	Start	1st Hour	2nd Hour	3rd Hour
	Time	Conc.	Conc.	Conc.
	(hh:mm)	(µg/m3)	(µg/m3)	(µg/m3)
1-Dec-08	9:35	78.6	79.5	78.2
6-Dec-08	9:51	77.6	75.5	78.2
12-Dec-08	9:35	69.9	72.4	70.7
18-Dec-08	9:25	67.0	66.0	67.8
24-Dec-08	9:18	67.8	68.6	67.7
30-Dec-08	13:53	68.7	65.4	66.4
			Min	65.4
			Max	79.5
				71.4