by –

http://news.bbc.co.uk/1/hi/sci/tech/2946715.stm

A United Nations study found DU contaminating air and water seven years after it was used. The US says it has no plans to remove the debris left over from depleted uranium (DU) weapons it is using in Iraq. It says no clean-up is needed, because research shows DU has no long-term effects. It says a 1990 study suggesting health risks to local people and veterans is out of date.