Singtel Sustainability Report 2010/2011
 
 
Radiation emissions from base stations
A common concern regarding mobile use is radiation. Singtel closely monitors international research and developments in this area. The local authority on Electromagnetic Field (EMF) matters is the Centre for Radiation Protection (CRPNS). Their advice is that radiofrequency exposure is safe as long as it is within the specified guidelines. The CRPNS has also acknowledged that "no study has shown adverse health effects at exposure levels below international guideline limits". The radiation levels from Singtel's mobile base stations are within the acceptable limits.

Singtel has adopted the International Commission on Non-Ionising Radiation Protection (ICNIRP) Standards for health-based exposure limits relating to base stations. These standards are widely accepted internationally as the leading standards on exposure to radiation emissions from base stations and handsets.

In Singapore, mobile phone manufacturers must demonstrate to IDA that their devices comply with certain technical requirements set out by the regulator. These requirements ensure that such devices operate within the standards developed by the ICNIRP.
Other environmental concerns
Biodiversity
The loss of biodiversity is a global concern and one which Singtel takes seriously. When laying cables, both underground and undersea, we will first assess any potential biodiversity issue. For example, should our cable laying affect any tree routes, we will consult the National Parks Board and from their advice make a judgment on how best to proceed so as not to risk damaging any tree.

For submarine cable installations which include seabed burial, shore-end work and surface laying, we will ensure that there is no adverse ecological impact to the air and water quality or to the natural environment, although minor localised seabed disturbance is unavoidable.

During this reporting period, we did not encounter any significant biodiversity issues.
 
     
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