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)
3-Jul-09	3.6328	3.6672	1.33	1.33	14158.28	14182.28	24.00	18.0	Sunny	29.5	1005.2	0.0344	1.33	1908.0
9-Jul-09	3.6293	3.6851	1.34	1.34	14182.28	14206.28	24.00	28.9	Sunny	29.7	1006.5	0.0558	1.34	1931.0
15-Jul-09	3.6135	3.6426	1.34	1.34	14206.28	14230.28	24.00	15.0	Sunny	29.4	1005.2	0.0291	1.34	1933.9
21-Jul-09	3.6241	3.6781	1.33	1.33	14230.28	14254.28	24.00	28.2	Sunny	29.0	1009.3	0.0540	1.33	1916.6
27-Jul-09	3.4165	3.4502	1.33	1.33	14254.28	14278.28	24.00	17.6	Cloudy	28.7	1003.0	0.0337	1.33	1916.6
							Min	15.0
							Max	28.9
							Average	21.5
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)
3-Jul-09	3.6317	3.6780	1.31	1.31	13902.90	13926.90	24.00	24.5	Sunny	29.5	1005.2	0.0463	1.31	1890.7
9-Jul-09	3.6262	3.6785	1.33	1.33	13926.90	13950.90	24.00	27.4	Sunny	29.7	1006.5	0.0523	1.33	1910.9
15-Jul-09	3.6117	3.6433	1.33	1.33	13950.90	13974.90	24.00	16.5	Sunny	29.4	1005.2	0.0316	1.33	1916.6
21-Jul-09	3.6182	3.6536	1.33	1.33	13974.90	13998.90	24.00	18.5	Sunny	29.0	1009.3	0.0354	1.33	1910.9
27-Jul-09	3.4088	3.4618	1.33	1.33	13998.90	14022.90	24.00	27.7	Cloudy	28.7	1003.0	0.0530	1.33	1910.9
							Min	16.5
							Max	27.7
							Average	22.9