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-Oct-09	3.4295	3.5808	1.33	1.33	14542.28	14566.28	24.00	78.9	Sunny	28.1	1007.9	0.1513	1.33	1916.6
10-Oct-09	3.4379	3.5618	1.33	1.33	14566.28	14590.28	24.00	64.6	Cloudy	26.8	1011.2	0.1239	1.33	1916.6
16-Oct-09	3.5746	3.6237	1.33	1.33	14590.28	14614.28	24.00	25.6	Sunny	25.8	1012.9	0.0491	1.33	1921.0
22-Oct-09	3.6048	3.7148	1.35	1.35	14614.28	14638.28	24.00	56.7	Sunny	25.7	1013.7	0.1100	1.35	1939.7
28-Oct-09	3.5858	3.6355	1.33	1.33	14638.28	14662.28	24.00	26.0	Sunny	24.5	1017.9	0.0497	1.33	1915.2
							Min	25.6
							Max	78.9
							Average	50.4
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-Oct-09	3.4305	3.4791	1.33	1.33	14286.90	14310.90	24.00	25.4	Sunny	28.1	1007.9	0.0486	1.33	1910.9
10-Oct-09	3.4318	3.4663	1.33	1.33	14310.90	14334.90	24.00	18.1	Cloudy	26.8	1011.2	0.0345	1.33	1910.9
16-Oct-09	3.5961	3.7078	1.33	1.33	14334.90	14358.90	24.00	58.3	Sunny	25.8	1012.9	0.1117	1.33	1916.6
22-Oct-09	3.5580	3.7130	1.34	1.34	14358.90	14382.90	24.00	80.3	Sunny	25.7	1013.7	0.1550	1.34	1929.6
28-Oct-09	3.5856	3.6964	1.34	1.34	14382.90	14406.90	24.00	57.6	Sunny	24.5	1017.9	0.1108	1.34	1925.3
							Min	18.1
							Max	80.3
							Average	47.9