From the Feb. 1 Congressional Record Daily Digest, page D130:

Committee on Environment and Public Works: February 6, to hold an oversight hearing to examine recent Environmental Protection Agency decisions, focusing on EPA actions and documents, including monitoring regulations related to perchlorate, the process for setting National Ambient Air Quality Standards (NAAQS), the lead NAAQS process, air toxics control (the once in always in policy), the Toxic Release Inventory, and EPA library closures, 10 a.m., SD-406.

The Senate Environment and Public Works Committee hearings are webcast; see the hearings section of their site at http://epw.senate.gov/ .