Florida Sen . Charlie Crist wants BP to spend $ 35 million for tourism ads . BP says it will be using Corexit dispersant to clean up Gulf spill . The EPA issued the directive on Thursday , ordering BP to find within 24 hours a less toxic but equally effective chemical than its current product , Corexit 9500 , and one that is available in sufficient quantities . Corexit has been rated more toxic , less effective than other EPA - approved chemicals .
Florida Sen . Charlie Crist wants BP to spend $ 35 million for tourism ads . BP says it will be using Corexit dispersant to clean up Gulf spill . Corexit has been rated more toxic , less effective than other EPA - approved chemicals .