Overriding Epa News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Can get it. >> i'm rob nelson. >> i'm tanya rivero in for vinita nair. work to permanently plug the gulf oil spill could begin as early as today. engineers are preparing to launch a static kill. >> now there's a battle over the long-term effects of a chemical used to break up all that oil. jeffrey kofman reports from belle chasse, louisiana. >> reporter: for days, the oil out here has become harder and harder to find. but the chairman of a congressional committee investigating the cleanup charges bp used too much chemical dispersants to break up the oil. representative edward markey accused ...

>> we haven't ignored the epa guidelines. there is no disagreement between lisa jackson and i regarding what we want to do with dispersant. >> i think we all worked hard not to use more than we had to. but i would say it was a very effective tool. >> reporter: despite the reopening of some fishing grounds, gulf fishermen are still wary. >> nobody is talking about the dispersants. you can see the oil but you can't see dispersants. >> reporter: bp is getting ready for the final push to permanently kill the troubled well. >> we've got the equipment all hooked up to perform the static kill. right ...