1. As there were cyanide and other fuels on one of the sunken trucks, all the river's aqueducts were ordered to be closed.
2. The salvage of the sunken vessel was begun at the end of last year, but the operation had to be delayed because of bad weather.
3. Before work can even begin on the Industrial canal two barges pushed onto a bridge by Katrina and a sunken barge need to be removed.
4. Searchers have been unable to locate the sunken ferry believed to be under 200 feet of water.