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)
4-Jun-09	3.6121	3.6748	1.33	1.33	14038.28	14062.28	24.00	32.7	Sunny	27.6	999.7	0.0627	1.33	1916.6
10-Jun-09	3.7000	3.7557	1.33	1.33	14062.28	14086.28	24.00	29.1	Sunny	28.3	1006.4	0.0557	1.33	1916.6
16-Jun-09	3.6043	3.6359	1.33	1.33	14086.28	14110.28	24.00	16.5	Sunny	27.4	1006.8	0.0316	1.33	1921.0
22-Jun-09	3.6404	3.7096	1.33	1.33	14110.28	14134.28	24.00	36.1	Rainy	29.6	1013.7	0.0692	1.33	1916.6
27-Jun-09	3.6321	3.6976	1.33	1.33	14134.28	14158.28	24.00	34.2	Sunny	26.7	1003.9	0.0655	1.33	1916.6
							Min	16.5
							Max	36.1
							Average	29.7
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)
4-Jun-09	3.6189	3.7517	1.33	1.33	13782.90	13806.90	24.00	69.5	Sunny	27.6	999.7	0.1328	1.33	1910.9
10-Jun-09	3.7094	3.7585	1.33	1.33	13806.90	13830.90	24.00	25.7	Sunny	28.3	1006.4	0.0491	1.33	1910.9
16-Jun-09	3.6020	3.6445	1.33	1.33	13830.90	13854.90	24.00	22.2	Sunny	27.4	1006.8	0.0425	1.33	1910.9
22-Jun-09	3.6449	3.7105	1.33	1.33	13854.90	13878.90	24.00	34.3	Rainy	29.6	1013.7	0.0656	1.33	1910.9
27-Jun-09	3.6182	3.6590	1.33	1.33	13878.90	13902.90	24.00	21.4	Sunny	26.7	1003.9	0.0408	1.33	1910.9
							Min	21.4
							Max	69.5
							Average	34.6