[Bigiron]

Oil spill clean-up: 'Good progress' at Sentosa beaches; more than 140,000kg of oil-soaked sand removed https://www.channelnewsasia.com/singapor...so-4430266

[Scythian]

.

400 tones= 400,000 kilograms 

Still 260,000 kg left behind?

[Wy:Nox]

1 week and how many hundreds of volunteers?

[Scythian]

Oil spill clean-up: 'Good progress' at Sentosa beaches; more than 140,000kg of oil-soaked sand removed https://www.channelnewsasia.com/singapor...so-4430266

Leaving behind 260,000 kg untouched is a good job.

Very fast

[Scythian]

"An oil sheen was also seen in the waters surrounding Sister's Islands Marine Park, a 400,000 square meter marine protected area, the statement added."

https://www.yahoo.com/news/singapore-int...nt%20added.

[Scythian]

.
To clean up the remaining 70% will take one month..

Is this good progress