current forecast is for tuesday right now. >> do you know to worry about the dispersant issue? can you guarantee there's nothing that's going to happen to the environment? >> well, the use of spersans has been a really important tool in the fight. it's created a lot of concern as well. ourselves, e.p.a., others have been taking samples in the water column. it's part of the protocol so when we use these, to see if there are any negative effects of these things, any issues about toxicity, for instance, i'll also remind you that we set up this gulf research initiative to look at the long-term impacts from the spill so we'll have efforts there not only look at the short term but the long term. some we'll keep doing that. right now, we haven't seen anything that causes -- that