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)
3-Sep-08	3.5103	3.5775	1.34	1.34	12911.28	12935.28	24.00	34.8	Sunny	27.7	999.3	0.0672	1.34	1931.0
9-Sep-08	3.6166	3.6520	1.31	1.31	12935.28	12959.28	24.00	18.7	Sunny	28.7	1009.7	0.0354	1.31	1890.7
13-Sep-08	3.4316	3.6517	1.37	1.37	12959.28	12983.28	24.00	111.6	Sunny	30.8	1005.8	0.2201	1.37	1972.8
20-Sep-08	3.6810	3.7570	1.34	1.34	12983.28	13007.28	24.00	39.4	Sunny	29.5	1009.4	0.0760	1.34	1931.0
26-Sep-08	3.3384	3.4095	1.34	1.34	13007.28	13031.28	24.00	36.8	Sunny	28.8	1008.9	0.0711	1.34	1931.0
							Min	18.7
							Max	111.6
							Average	48.3
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)
3-Sep-08	3.7655	3.8403	1.33	1.33	12654.90	12678.90	24.00	39.1	Sunny	27.7	999.3	0.0748	1.33	1910.9
9-Sep-08	3.6234	3.6932	1.33	1.33	12678.90	12702.90	24.00	36.5	Sunny	28.7	1009.7	0.0698	1.33	1910.9
13-Sep-08	3.4439	3.6182	1.33	1.33	12702.90	12726.90	24.00	91.2	Sunny	30.8	1005.8	0.1743	1.33	1910.9
20-Sep-08	3.6266	3.6782	1.33	1.33	12726.90	12750.90	24.00	27.0	Sunny	29.5	1009.4	0.0516	1.33	1910.9
26-Sep-08	3.3550	3.4065	1.33	1.33	12750.90	12774.90	24.00	27.0	Sunny	28.8	1008.9	0.0515	1.33	1910.9
							Min	27.0
							Max	91.2
							Average	44.2