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)
3-Feb-10	13:05	74.0	72.8	73.3
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)
3-Feb-10	9:50	70.1	67.6	68.2
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)
3-Feb-10	9:30	71.8	71.1	70.8
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)
3-Feb-10	13:40	71.3	70.3	68.7