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-Apr-08	14:01	91.2	92.7	90.5
7-Apr-08	13:35	91.4	92.6	93.3
11-Apr-08	13:55	79.1	81.8	83.3
17-Apr-08	13:45	77.2	80.1	79.2
23-Apr-08	13:20	80.7	81.8	79.5
29-Apr-08	13:35	81.5	79.6	80.9
			Min	77.2
			Max	93.3
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-Apr-08	14:00	88.1	87.2	88.7
7-Apr-08	13:20	85.2	83.9	85.7
11-Apr-08	14:08	81.5	82.6	83.9
17-Apr-08	14:00	78.2	81.2	79.2
23-Apr-08	13:00	79.0	78.1	77.7
29-Apr-08	13:20	80.5	79.7	78.6
			Min	77.7
			Max	88.7