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)
6-May-09	3.6202	3.6981	1.34	1.34	13918.28	13942.28	24.00	40.3	Sunny	23.5	1012.3	0.0779	1.34	1931.0
12-May-09	3.5273	3.5855	1.34	1.34	13942.28	13966.28	24.00	30.1	Sunny	27.0	1010.7	0.0582	1.34	1931.0
18-May-09	3.7150	3.7537	1.33	1.33	13966.28	13990.28	24.00	20.2	Sunny	28.5	1009.6	0.0387	1.33	1916.6
23-May-09	3.7087	3.7343	1.33	1.33	13990.28	14014.28	24.00	13.4	Rainy	25.7	1008.4	0.0256	1.33	1916.6
29-May-09	3.6070	3.6256	1.33	1.33	14014.28	14038.28	24.00	9.7	Sunny	22.2	1011.3	0.0186	1.33	1916.6
							Min	9.7
							Max	40.3
							Average	22.7
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)
6-May-09	3.6256	3.7372	1.34	1.34	13662.90	13686.90	24.00	58.0	Sunny	23.5	1012.3	0.1116	1.34	1925.3
12-May-09	3.5392	3.5983	1.34	1.34	13686.90	13710.90	24.00	30.7	Sunny	27.0	1010.7	0.0591	1.34	1925.3
18-May-09	3.7179	3.7682	1.33	1.33	13710.90	13734.90	24.00	26.3	Sunny	28.5	1009.6	0.0503	1.33	1910.9
23-May-09	3.7165	3.7640	1.33	1.33	13734.90	13758.90	24.00	24.9	Rainy	25.7	1008.4	0.0475	1.33	1910.9
29-May-09	3.6082	3.6598	1.33	1.33	13758.90	13782.90	24.00	27.0	Sunny	22.2	1011.3	0.0516	1.33	1910.9
							Min	24.9
							Max	58.0
							Average	33.4