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-Sep-09	3.4587	3.4889	1.33	1.33	14422.28	14446.28	24.00	15.8	Sunny	30.1	1005.1	0.0302	1.33	1916.6
11-Sep-09	3.4494	3.4984	1.33	1.33	14446.28	14470.28	24.00	25.6	Cloudy	27.5	1007.7	0.0490	1.33	1916.6
17-Sep-09	3.4533	3.5007	1.33	1.33	14470.28	14494.28	24.00	24.7	Sunny	29.1	1011.1	0.0474	1.33	1916.6
23-Sep-09	3.4604	3.5250	1.34	1.34	14494.28	14518.28	24.00	33.6	Sunny	28.6	1009.2	0.0646	1.34	1925.3
29-Sep-09	3.4301	3.4590	1.33	1.33	14518.28	14542.28	24.00	15.1	Sunny	29.4	1005.5	0.0289	1.33	1916.6
							Min	15.1
							Max	33.6
							Average	22.9
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)
5-Sep-09	3.4546	3.5069	1.33	1.33	14166.90	14190.90	24.00	27.4	Sunny	30.1	1005.1	0.0523	1.33	1910.9
11-Sep-09	3.4447	3.5157	1.33	1.33	14190.90	14214.90	24.00	37.2	Cloudy	27.5	1007.7	0.0710	1.33	1910.9
17-Sep-09	3.4540	3.5444	1.33	1.33	14214.90	14238.90	24.00	47.3	Sunny	29.1	1011.1	0.0904	1.33	1910.9
23-Sep-09	3.4540	3.5330	1.33	1.33	14238.90	14262.90	24.00	41.1	Sunny	28.6	1009.2	0.0790	1.33	1921.0
29-Sep-09	3.4331	3.4528	1.33	1.33	14262.90	14286.90	24.00	10.3	Sunny	29.4	1005.5	0.0197	1.33	1910.9
							Min	10.3
							Max	47.3
							Average	32.7