2.
AIR QUAILITY
MONITORING
2.1
Monitoring Locations
2.1.1
The air quality monitoring works for the Contract
are covered by Contract No. HY/2013/01 ¡§Hong Kong-Zhuhai-Macao-Bridge HKBCF ¡V
Passenger Clearance Building¡¨ and Contract No. HY/2011/03 ¡§Hong Kong-Zhuhai-Macao
Bridge Hong Kong Link Road ¡V Section between Scenic Hill and HKBCF¡¨. The ET of
the Contract or another ET of the HZMB project is required to conduct impact
air quality monitoring at AMS2, AMS3B, AMS6 and AMS7B as part of EM&A
programme if these air quality monitoring stations are no longer covered under
Contract No. HY/2013/01 and HY/2011/03. Figure
1 shows the locations of air monitoring stations.
Table 2.1 Air Quality Monitoring Location
Air Monitoring Station |
Location |
AMS2 |
Thung Chung Development Pier |
AMS3B |
Site Boundary of Site Office Area at
Works Area WA2 |
AMS6 |
Dragonair/CNAC
(Group) Building (A80) |
AMS7B |
3RS Site
Offices |
2.2
Monitoring Requirements
2.2.1
The monitoring requirements, equipment, parameters,
frequency and duration, methodology, schedule, and meteorological information
are described in the monthly EM&A Reports prepared for Contract No. HY/2013/01
and HY/2011/03.
2.2.2
The Action and Limit levels for 1-hr TSP and 24-hr TSP
are summarized in Table 2.2.
Table 2.2 Action and Limit Levels for Air Quality
Monitoring Station |
Action Level (µg/m³) |
Limit Level (µg/m³) |
1 hour TSP |
||
AMS2 |
374 |
500 |
AMS3B |
368 |
|
AMS6 |
360 |
|
AMS7B |
370 |
|
24 hours TSP |
||
AMS2 |
176 |
260 |
AMS3B |
167 |
|
AMS6 |
173 |
|
AMS7B |
183 |
2.2.3
The event and action plan is provided in Appendix D.
2.2.4
If exceedance(s) at these stations is/are recorded
by the ET of the Contract or referred by the other ET under the HZMB project to
the Contract, the ET of the Contract will carry out an investigation and
findings will be reported in the monthly EM&A Report.
2.3
Monitoring
Results
2.3.1
The monitoring results for AMS2, AMS3B, AMS6 and
AMS7B are reported in the monthly EM&A Reports prepared for Contract No.
HY/2011/03 and HY/2013/01 respectively.
2.3.2
Summary of Action and Limit Level exceedance of 1-hr
TSP level and 24-hr TSP level at AMS6 shall be referred to the monthly EM&A
report prepared by Contract No. HY/2011/03.
2.3.3
There was no Action and Limit Level exceedances of
1-hr TSP level and 24-hr TSP level recorded at station AMS2, AMS3B and AMS7B by
the Environmental Team of Contract No. HY/2013/01 during the reporting period.