more than double its new 6,000 gallon limit. asked by cnn about markey's charges, allen said he always consulted with the epa on giving bp permission on using dispersant, but his frustrations were clear. >> folks have to make decisions without complete information sometimes because we have never used dispersants at this level before. that was done and to the extent there's an issue about it i'm the national incident commander and i'm accountable. >> reporter: bp said it worked closely with allen's command and the epa. the company said it didn't hide anything and dispersants prevented a bigger disaster. >> these are all tradeoffs and one of the thins we didn't want to see happen was it reaching the shoreline. >> reporter: but what about damage below the surface? the epa now says the dispersants mixed with oil were no more toxic than the oil itself. and said there's no indication of wildlife sickened or killed by dispersants.