Authorizes the Administrator of the Environmental Protection Agency (EPA) to waive or modify the application of certain EPA requirements during the 120-day period beginning on August 26, 2005, if the Administrator determines that such waiver or modification is necessary to respond to a situation or damage caused by Hurricane Katrina, and is in the public interest. Permits the Administrator to extend the waiver period, but for not longer than 18 months after the enactment of this Act.
Requires the Administrator to provide notifications of waivers or modifications to specified congressional committees.