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23/12/2011
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Five London boroughs are set to get dust suppressant technology applied on roads around construction and industrial sites, as part of the Mayor's plans to deliver cleaner air for London.
 Working with the Environment Agency, 15 locations are set to trial the technology, which uses biodegradable Calcium Magnesium Acetate that sticks PM10 particulate matter to the carriageway and prevents it re-circulating in the air.
As part of the application, carriageways are swept and jetwashed by a machine similar to a road dust sweeper, following which the solution is applied by a modified winter gritting machine fitted with a fine sprinkler-like system.
The first trials are already underway in Lewisham, on the Mercury Way industrial site, and on Horn Lane in Ealing. Trials at additional locations in Brent, Bexley and Sutton will start early in 2012, according to the Mayor's office.
All the areas feature industrial operations such as waste transfer sites. This activity is an extension of the successful application of this solution on roads in central London, including Marylebone Road and the Victoria Embankment which showed a reduction in PM10 of up to 14%.
"At the dawn of 2012, Londoners are set to benefit from an unprecedented package of short and long measures to deliver cleaner air," comments Mayor Boris Johnson.
"This includes us lending out Transport for London's successful dust suppressant technology to organisations and boroughs that have identified places which have high levels of commercial and industrial activity," he continues.
"Further to this, we are working to permanently reduce transport emissions from vans, lorries, taxis, buses and cars to ensure a cleaner city and a higher quality of life for Londoners."
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Author
Brian Tinham
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