Impact Air Quality Monitoring Results
24-hour TSP Monitoring Results at Station CA1 (Po Shan Mansions)
Date	Filter Weight (g)		Flow Rate (m3/min.)		Elapse Time		Sampling	Conc.	Weather	Air	Atmospheric	Particulate	Av. flow	Total vol.
	Initial	Final	Initial	Final	Initial	Final	Time(hrs.)	(µg/m3)	Condition	Temp. (oC)	Pressure(hPa)	weight(g)	(m3/min)	(m3)
5-Aug-08	3.5964	3.6773	1.34	1.34	12791.28	12815.28	24.00	41.9	Rainy	27.7	999.3	0.0809	1.34	1931.0
11-Aug-08	3.5145	3.5922	1.34	1.34	12815.28	12839.28	24.00	40.2	Sunny	25.7	1007.2	0.0777	1.34	1931.0
16-Aug-08	3.3256	3.3629	1.31	1.31	12839.28	12863.28	24.00	19.7	Sunny	29.1	1004.8	0.0373	1.31	1890.7
23-Aug-08	3.4773	3.5050	1.31	1.31	12863.28	12887.28	24.00	14.7	Cloudy	29.6	1007.4	0.0277	1.31	1890.7
28-Aug-08	3.7667	3.8505	1.33	1.33	12887.28	12911.28	24.00	43.9	Sunny	28.9	1009.4	0.0838	1.33	1910.9
							Min	14.7
							Max	43.9
							Average	32.1
24-hour TSP Monitoring Results at Station CA2 (Hamilton Court)
Date	Filter Weight (g)		Flow Rate (m3/min.)		Elapse Time		Sampling	Conc.	Weather	Air	Atmospheric	Particulate	Av. flow	Total vol.
	Initial	Final	Initial	Final	Initial	Final	Time(hrs.)	(µg/m3)	Condition	Temp. (oC)	Pressure(hPa)	weight(g)	(m3/min)	(m3)
5-Aug-08	3.6076	3.6553	1.31	1.31	12534.90	12558.90	24.00	25.2	Rainy	27.7	999.3	0.0477	1.31	1890.7
11-Aug-08	3.5134	3.5826	1.33	1.33	12558.90	12582.90	24.00	36.2	Sunny	25.7	1007.2	0.0692	1.33	1910.9
16-Aug-08	3.3365	3.3800	1.33	1.33	12582.90	12606.90	24.00	22.8	Sunny	29.1	1004.8	0.0435	1.33	1910.9
23-Aug-08	3.8125	3.9030	1.34	1.34	12606.90	12630.90	24.00	46.9	Cloudy	29.6	1007.4	0.0905	1.34	1931.0
28-Aug-08	3.7812	3.8918	1.31	1.31	12630.90	12654.90	24.00	58.5	Sunny	28.9	1009.4	0.1106	1.31	1890.7
							Min	22.8
							Max	58.5
							Average	37.9