Ben Cardin actually said...

I hope we have learned that lesson to get it down to the level of regulation earlier.

I know Senator Cardin mentioned this earlier, as required by the Safe Water Drinking Act and the agency's policy on children's health.

Can we learn something from perchlorate, in that it was included in the first uncontaminated chemical monitoring rule?

Adopting most of the stringent and costly standards in the Nation and significantly reduced emissions.