Impact Air Quality Monitoring Results
1-hour TSP Monitoring Results at Station AM1
(13 Ha Wun Yiu G/F)
Date	Start	1st Hour	2nd Hour	3rd Hour
	Time	Conc.	Conc.	Conc.
	(hh:mm)	(µg/m3)	(µg/m3)	(µg/m3)
20-Feb-10	10:10	70.5	71.6	73.4
1-hour TSP Monitoring Results at Station AM2
(12 Shan Tong New Village G/F)
Date	Start	1st Hour	2nd Hour	3rd Hour
	Time	Conc.	Conc.	Conc.
	(hh:mm)	(µg/m3)	(µg/m3)	(µg/m3)
20-Feb-10	9:55	76.6	73.9	75.5
1-hour TSP Monitoring Results at Station AM3
(Roof of Switch Room at Riverain Bayside)
Date	Start	1st Hour	2nd Hour	3rd Hour
	Time	Conc.	Conc.	Conc.
	(hh:mm)	(µg/m3)	(µg/m3)	(µg/m3)
20-Feb-10	9:20	74.8	73.2	75.3
1-hour TSP Monitoring Results at Station AM4
(Roof of Tai Kwong Secondary School)
Date	Start	1st Hour	2nd Hour	3rd Hour
	Time	Conc.	Conc.	Conc.
	(hh:mm)	(µg/m3)	(µg/m3)	(µg/m3)
20-Feb-10	10:50	73.5	75.2	76.4