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-Dec-08	3.6206	3.7224	1.34	1.34	13295.28	13319.28	24.00	52.7	Sunny	17.8	1023.7	0.1018	1.34	1931.0
11-Dec-08	3.5922	3.6530	1.31	1.31	13319.28	13343.28	24.00	32.2	Sunny	20.3	1017.3	0.0608	1.31	1890.7
17-Dec-08	3.6192	3.6836	1.33	1.33	13343.28	13367.28	24.00	33.7	Sunny	18.0	1020.5	0.0644	1.33	1911.5
23-Dec-08	3.6136	3.6747	1.31	1.31	13367.28	13391.28	24.00	32.3	Sunny	14.1	1023.6	0.0611	1.31	1890.7
29-Dec-08	3.6182	3.7022	1.33	1.33	13391.28	13415.28	24.00	44.0	Cloudy	20.6	1017.3	0.0840	1.33	1910.9
							Min	32.2
							Max	52.7
							Average	39.0
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-Dec-08	3.6201	3.8013	1.33	1.33	13038.90	13062.90	24.00	94.8	Sunny	17.8	1023.7	0.1812	1.33	1910.9
11-Dec-08	3.6015	3.7287	1.33	1.33	13062.90	13086.90	24.00	66.6	Sunny	20.3	1017.3	0.1272	1.33	1910.9
17-Dec-08	3.6188	3.7591	1.31	1.31	13086.90	13110.90	24.00	74.2	Sunny	18.0	1020.5	0.1403	1.31	1890.7
23-Dec-08	3.6123	3.7711	1.30	1.30	13110.90	13134.90	24.00	84.6	Sunny	14.1	1023.6	0.1588	1.30	1876.3
29-Dec-08	3.6218	3.7276	1.31	1.31	13134.90	13158.90	24.00	56.0	Cloudy	20.6	1017.3	0.1058	1.31	1890.7
							Min	56.0
							Max	94.8
							Average	75.2