8.1
Summary of exceedance is provided in Appendix L.
8.2
No Action/Limit Level exceedance was recorded for air quality and
construction noise.
8.3
All water quality monitoring was conducted as scheduled in the reporting
month. There are six Action Level and one Limit Level exceedances were recorded
for suspended solids. No Action/Limit Level exceedance for dissolved oxygen and
turbidity were recorded.
8.4
According to the investigation, the exceedances are considered not due
to the Contract due to the following reasons:
1)
No pollution discharge from construction activity was observed;
2)
The exceeded results were similar or within the ranges baseline
monitoring results;
3)
Sediment plume due to natural fluctuation of shallow water was observed;
4)
Localized sediment plume due to the rough water condition was observed;
5)
Adverse water quality outside the site boundary was observed while no
pollution source from this Contract was observed and no construction vessel for
this Contract was travelling nearby. Dispersion of sediment plume to the
monitoring stations from the area outside the site boundary (i.e. works area
not under and related to HY/2011/09) was also observed.
8.5
There was an Action Level exceedance of dolphin monitoring for the
quarterly monitoring data (between June to August
2017). The exceedance will be reported and evaluation
of impacts on dolphins due to construction work will be conducted in the
quarterly EM&A report.
Summary of Environmental Complaint
8.6
No environmental related complaints were received in the reporting month.
The Complaint Log is attached in Appendix
P.
8.7
There was one prosecution or notification of summons received since the Contract
commencement. Summary of successful prosecution as attached in Appendix Q.