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)
1-Aug-09	3.4681	3.5292	1.34	1.34	14278.28	14302.28	24.00	31.6	Sunny	30.3	1002.4	0.0611	1.34	1931.0
7-Aug-09	3.7120	3.7793	1.33	1.33	14302.28	14326.28	24.00	35.1	Sunny	29.6	996.2	0.0673	1.33	1916.6
13-Aug-09	3.4134	3.4549	1.33	1.33	14326.28	14350.28	24.00	21.7	Cloudy	26.4	1007.4	0.0415	1.33	1916.6
19-Aug-09	3.7134	3.7389	1.33	1.33	14350.28	14374.28	24.00	13.3	Sunny	29.4	1010.9	0.0255	1.33	1916.6
25-Aug-09	3.7169	3.7450	1.33	1.33	14374.28	14398.28	24.00	14.7	Sunny	29.9	1009.0	0.0281	1.33	1916.6
31-Aug-09	3.6380	3.6811	1.33	1.33	14398.28	14422.28	24.00	22.5	Sunny	29.9	1009.0	0.0431	1.33	1916.6
							Min	13.3
							Max	35.1
							Average	23.1
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)
1-Aug-09	3.7040	3.8256	1.33	1.33	14022.90	14046.90	24.00	63.3	Sunny	30.3	1002.4	0.1216	1.33	1921.0
7-Aug-09	3.7095	3.7510	1.33	1.33	14046.90	14070.90	24.00	21.7	Sunny	29.6	996.2	0.0415	1.33	1910.9
13-Aug-09	3.4220	3.4544	1.32	1.32	14070.90	14094.90	24.00	17.0	Cloudy	26.4	1007.4	0.0324	1.32	1905.1
19-Aug-09	3.7048	3.7457	1.33	1.33	14094.90	14118.90	24.00	21.4	Sunny	29.4	1010.9	0.0409	1.33	1910.9
25-Aug-09	3.7196	3.7519	1.33	1.33	14118.90	14142.90	24.00	16.9	Sunny	29.9	1009.0	0.0323	1.33	1910.9
31-Aug-09	3.6421	3.7141	1.33	1.33	14142.90	14166.90	24.00	37.7	Sunny	29.9	1009.0	0.0720	1.33	1910.9
							Min	16.9
							Max	63.3
							Average	29.7