Barbara Mikulski actually said...

Our No. 1 concern is the safety of the American people, safety of the air they breathe, and the food they eat.

There's a continuum of actions here. One is an outright ban. That, I think, has to be well founded on solid research.

when Administrator Jackson asked BP to please look into the use of a different kind of dispersant, she was essentially blown off by BP.

I'm going to either ban or limit the use of dispersants, could you have the power to act unilaterally?