02/08/2012
https://www.congress.gov...
"Unfortunately, the system that EPA uses to determine health risks, the IRIS system, has decades-long issues in crafting risk assessments."
"I think it is significant to bring up this point."
"I know that everyone in this room agrees that providing clean, safe, affordable drinking water is essential, and should be a national priority."
"These problems continue to persist in the face of the NAS and Congress repeatedly imploring EPA to correct these issues."