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)
12-Dec-09 13:16 86.4 83.7 82.9
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)
12-Dec-09 13:05 87.2 88.5 86.6
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)
12-Dec-09 9:06 84.6 86.0 83.5
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)
12-Dec-09 9:29 85.1 85.5 84.3