This ABC article is OVERT PROPAGANDA. Oil need not be visible in water or sand to be toxic. See previous posts about independent testing of oil in the Gulf.
The ABC news piece does acknowledge the role of dispersants at the end of the story, but implies that the dispersants actually broke down and eliminated the oil.
What a bunch of crap. All the dispersants did was hide the oil. Indeed, there is some evidence that dispersants may actually kill the bacteria that feed upon oil.
I'm really getting sick and tired of being lied to by the press about every issue or phenomena that matters to our present and future as a functional, healthy society.
I suppose I should take this profound lack of transparency as a primary indicator of what is truly happening...