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-May-08	3.5540	3.6918	1.33	1.33	12407.28	12431.28	24.00	72.1	Sunny	25.0	1009.2	0.1378	1.33	1910.9
9-May-08	3.5317	3.6672	1.40	1.40	12431.28	12455.28	24.00	67.3	Sunny	27.8	1005.2	0.1355	1.40	2014.6
15-May-08	3.3026	3.5050	1.33	1.33	12455.28	12479.28	24.00	105.9	Sunny	24.6	1011.0	0.2024	1.33	1910.9
21-May-08	3.3060	3.3878	1.30	1.30	12479.28	12503.28	24.00	43.6	Cloudy	22.9	1008.5	0.0818	1.30	1876.3
27-May-08	3.3156	3.4071	1.33	1.33	12503.28	12527.28	24.00	47.9	Cloudy	28.3	1006.2	0.0915	1.33	1910.9
							Min	43.6
							Max	105.9
							Average	67.4
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-May-08	3.5452	3.6543	1.31	1.31	12150.90	12174.90	24.00	57.7	Sunny	25.0	1009.2	0.1091	1.31	1890.7
9-May-08	3.5220	3.6065	1.28	1.28	12174.90	12198.90	24.00	45.7	Sunny	27.8	1005.2	0.0845	1.28	1849.0
15-May-08	3.2980	3.4113	1.31	1.31	12198.90	12222.90	24.00	59.9	Sunny	24.6	1011.0	0.1133	1.31	1890.7
21-May-08	3.3029	3.4310	1.31	1.31	12222.90	12246.90	24.00	67.8	Cloudy	22.9	1008.5	0.1281	1.31	1890.7
27-May-08	3.2980	3.3776	1.31	1.31	12246.90	12270.90	24.00	42.1	Cloudy	28.3	1006.2	0.0796	1.31	1890.7
							Min	42.1
							Max	67.8
							Average	54.6