More than 1,000 personnel, including those of Coast Guard and state Pollution Control Board, removed about 21 tonnes of oil with sludge and 17 tonnes of sand with slush and the sheen of oil noticed can be removed in a day or two, it said.
The clean up work on a war-footing was carried out in several areas, including the Ennore shoreline, Marina and Elliots beaches by multiple agencies including Coast Guard along with the help of volunteers and local people.
"At present, no significant oil patches are observed seawards from Ennore to Mahabalipuram. Only sheen of oil can be seen at some places which is likely to clear off in one or two days. Tremendous progress has been made towards sludge removal," it said.
In aggregate, so far, 61 tonnes of oil with sludge and 44 tonnes of sand with slush and oil mixed with sand and water have been removed. Yesterday, 40 tonnes of oil sludge and 27 tonnes of oil mixed with water were removed.
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"Coast Guard ship 'ICGS Varad' with integral helicopter was deployed throughout the day for spill assessment and neutralisation. However, nil traces of spill were observed at sea," the release added.
Apart from Coast Guard, personnel from Tamil Nadu Police Coastal Security Group, pollution control board, fire and rescue department, state Highways, port trust, corporation, panchayat besides volunteers from various colleges, universities and NGOs joined the operation.
Earlier in the day, Tiruvallur District Collector, E Sundaravalli said, "Our team of officials are here and they are speeding up the work. It is assessed that around 20 tonnes of oil spill continues to be there, floating and we are working to clear it soon."
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