NEW : 1.5 million gallons of dispersants used in battling spill . The oil is still leaking into the Gulf and could continue to do so for weeks or months, but BP says it has stopped using a chemical that was supposed to be able to break up oil. plus . EPA says dispersant currently being used is less toxic than others . Agency making no recommendations until more tests conducted .
NEW : 1.5 million gallons of dispersants used in battling spill . The oil is still leaking into the Gulf and could continue to do so for weeks or months, but BP says it has stopped using a chemical that was supposed to be able to break up oil. EPA says dispersant currently being used is less toxic than others . Agency making no recommendations until more tests conducted .