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)
2-Oct-08	3.7154	3.8869	1.34	1.34	13031.28	13055.28	24.00	88.8	Sunny	27.0	1012.6	0.1715	1.34	1931.0
8-Oct-08	3.7158	3.7972	1.33	1.33	13055.28	13079.28	24.00	42.6	Sunny	25.5	1013.8	0.0814	1.33	1910.9
14-Oct-08	3.7182	3.7820	1.33	1.33	13079.28	13103.28	24.00	33.4	Sunny	26.1	1015.9	0.0638	1.33	1910.9
20-Oct-08	3.7170	3.7632	1.31	1.31	13103.28	13127.28	24.00	24.5	Sunny	26.9	1014.1	0.0462	1.31	1887.8
25-Oct-08	3.6094	3.7367	1.33	1.33	13127.28	13151.28	24.00	66.6	Sunny	26.5	1017.9	0.1273	1.33	1910.9
31-Oct-08	3.6174	3.6760	1.33	1.33	13151.28	13175.28	24.00	30.6	Sunny	26.9	1015.4	0.0586	1.33	1916.6
							Min	24.5
							Max	88.8
							Average	47.7
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)
2-Oct-08	3.7150	3.8526	1.33	1.33	12774.90	12798.90	24.00	72.0	Sunny	27.0	1012.6	0.1376	1.33	1910.9
8-Oct-08	3.7162	3.8141	1.31	1.31	12798.90	12822.90	24.00	51.8	Sunny	25.5	1013.8	0.0979	1.31	1890.7
14-Oct-08	3.7097	3.8323	1.33	1.33	12822.90	12846.90	24.00	64.0	Sunny	26.1	1015.9	0.1226	1.33	1916.6
20-Oct-08	3.7125	3.8016	1.30	1.30	12846.90	12870.90	24.00	47.5	Sunny	26.9	1014.1	0.0891	1.30	1876.3
25-Oct-08	3.6130	3.7215	1.31	1.31	12870.90	12894.90	24.00	57.4	Sunny	26.5	1017.9	0.1085	1.31	1890.8
31-Oct-08	3.6072	3.6926	1.33	1.33	12894.90	12918.90	24.00	44.7	Sunny	26.9	1015.4	0.0854	1.33	1910.9
							Min	44.7
							Max	72.0
							Average	56.2