Table 3.2    Major Dust Sources during the Monitoring in the Reporting Period

Station

Major Dust Source

AM1 – Tin Hau Temple

Road Traffic at Cha Kwo Ling Road

AM2 – Sai Tso Wan Recreation Ground

N/A

AM3 – Yau Lai Estate Bik Lai House

Road Traffic near Eastern Cross Harbour Tunnel Toll Plaza

AM4(1) - Sitting-out Area at Cha Kwo Ling Village

Road Traffic at Cha Kwo Ling Road

AM4(A)(2)(*) - Cha Kwo Ling Public Cargo Working
Area Administrative Office

Road Traffic at Cha Kwo Ling Road

AM5(A)(*) - Tseung Kwan O DSD Desilting
Compound

Vehicle Movement within the Desilting
Compound

AM6(A)(*) - Park Central, L1/F Open Space Area

Road Traffic at Po Yap Road

Remarks:  (1) For 1-hour TSP monitoring; (2) For 24-hour TSP monitoring

(*) Air quality monitoring at designated station AM4(24-hr TSP), AM5 and AM6 was rejected by the premise owners. Therefore, baseline and impact air quality monitoring works were carried out at alternative air quality monitoring stations AM4(A) (24-hr TSP only), AM5(A) and AM6(A) respectively.