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-Apr-08	3.3280	3.4176	1.33	1.33	12335.23	12359.23	24.00	46.9	Cloudy	12.7	1020.8	0.0896	1.33	1910.9
24-Apr-08	3.5702	3.7495	1.33	1.33	12359.23	12383.23	24.00	93.8	Sunny	20.9	1017.5	0.1793	1.33	1910.9
28-Apr-08	3.5213	3.6277	1.28	1.28	12383.28	12407.28	24.00	57.5	Sunny	22.5	1012.2	0.1064	1.28	1849.0
							Min	46.9
							Max	93.8
							Average	66.1
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-Apr-08	3.3840	3.5809	1.28	1.28	12030.90	12054.90	24.00	106.5	Fine	15.3	1019.8	0.1969	1.28	1849.0
10-Apr-08	3.5538	3.6133	1.17	1.17	12054.90	12078.90	24.00	35.3	Sunny	16.1	1009.2	0.0595	1.17	1683.4
16-Apr-08	3.5446	3.6618	1.31	1.31	12078.90	12102.90	24.00	62.0	Sunny	25.6	1011.3	0.1172	1.31	1890.7
22-Apr-08	3.5292	3.7608	1.31	1.31	12102.90	12126.90	24.00	122.5	Sunny	20.9	1017.5	0.2316	1.31	1890.7
28-Apr-08	3.5392	3.6267	1.28	1.28	12126.90	12150.90	24.00	47.5	Sunny	22.5	1012.2	0.0875	1.28	1843.2
							Min	35.3
							Max	122.5
							Average	74.8