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)
7-May-09	14:09	80.7	82.6	83.5
13-May-09	10:22	77.0	79.4	81.1
19-May-09	13:31	80.4	78.8	77.6
25-May-09	13:23	80.1	81.6	79.4
30-May-09	10:01	83.0	82.1	83.3
			Min	77.0
			Max	83.5
				80.7
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)
7-May-09	13:55	78.5	80.0	77.4
13-May-09	10:10	75.6	75.0	78.9
19-May-09	13:15	73.0	74.4	75.8
25-May-09	13:10	78.1	77.1	80.6
30-May-09	9:50	80.2	79.8	79.3
			Min	73.0
			Max	80.6
				77.6