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-Jun-08	3.5280	3.7001	1.34	1.34	12527.28	12551.28	24.00	89.1	Fine	25.5	1006.4	0.1721	1.34	1931.0
7-Jun-08	3.3503	3.4298	1.33	1.33	12551.28	12575.28	24.00	41.6	Sunny	25.5	1009.2	0.0795	1.33	1909.9
13-Jun-08	3.3387	3.4178	1.31	1.31	12575.28	12599.28	24.00	41.8	Rainy	27.3	1003.9	0.0791	1.31	1890.7
19-Jun-08	3.3543	3.4266	1.31	1.31	12599.28	12623.28	24.00	38.2	Cloudy	27.4	1009.4	0.0723	1.31	1890.7
25-Jun-08	3.3196	3.4132	1.31	1.31	12623.28	12647.28	24.00	49.5	Rainy	28.8	999.0	0.0936	1.31	1890.7
30-Jun-08	3.3617	3.4482	1.33	1.33	12647.28	12671.28	24.00	45.3	Sunny	28.8	999.0	0.0865	1.33	1910.9
							Min	38.2
							Max	89.1
							Average	50.9
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-Jun-08	3.5352	3.5827	1.34	1.34	12270.90	12294.90	24.00	24.7	Fine	25.5	1006.4	0.0475	1.34	1925.3
7-Jun-08	3.3416	3.3882	1.34	1.34	12294.90	12318.90	24.00	24.1	Sunny	25.5	1009.2	0.0466	1.34	1931.0
13-Jun-08	3.3337	3.3980	1.33	1.33	12318.90	12342.90	24.00	33.6	Rainy	27.3	1003.9	0.0643	1.33	1910.9
19-Jun-08	3.3164	3.3631	1.30	1.30	12342.90	12366.90	24.00	24.9	Cloudy	27.4	1009.4	0.0467	1.30	1876.3
25-Jun-08	3.3366	3.3667	1.30	1.30	12366.90	12390.90	24.00	16.0	Rainy	28.8	999.0	0.0301	1.30	1876.3
30-Jun-08	3.3659	3.4319	1.31	1.31	12390.90	12414.90	24.00	34.9	Sunny	28.8	999.0	0.0660	1.31	1890.7
							Min	16.0
							Max	34.9
							Average	26.4