1.   Mopping-up operations began as the floods receded, leaving mud inside and out.

2.   Mopping up operations began as the flood receeded, leaving mud inside as well as out.

3.   Heating and air-conditioning ducts that got flooded will have mud left in them.

4.   His going left a little mud sticking to a government that prided itself on high standards.

5.   Toxic spill is leaving polluted mud, environmentalists say.