But the fact that such extensive measures have failed to eradicate the problem is an indicator of just how tough a long-term battle China faces as it seeks to tackle pollution.
"We've worked with some of the leading experts in this area to examine and treat one of the best surfaces in world rugby using natural remedies, including the spraying of garlic, but it takes a number of weeks to eradicate the problem and then to recover root strength.
Despite the efforts of scientists at Sellafield to try to eradicate the problem, the probe found more than 2,000 bottles with the toxic materials still on site.
She said that simply changing the messages of signs urging hand washing was unlikely to eradicate the problem, but she called it a step in the right direction.
But that is not enough to eradicate the problem.
That definitely needs to change if they want to eradicate the problem".
Judge Bedford found that the landlord had not done enough to eradicate the problem.
"We don't have to eradicate the problem in order to feel that we've succeeded".
In Spring Boroughs, a part of Northampton, the police had to ban 40 people from the area to eradicate the problem in 2010.
At the end of '94, we had the rise of a death squad that was supposedly going to come out and eradicate the problem of gangs..
