03/26/2014
https://www.congress.gov...
"So if a State has already acted, even if EPA takes on a chemical, even if EPA says, you can drink this and you will have a great life, that State regulation is still in effect?"
"So if a State has a regulation on a chemical that EPA takes up, that regulation doesn't go away unless and until EPA essentially blesses the chemical?"
"Yes. And in fact, the Udall-Vitter bill gives EPA more authority, correct?"
"The principle also reflects a desire that there be timely decisions."