Former EPA Chief Whitman

Former EPA Chief Whitman On Hot Seat Over 9/11 Air

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Former EPA Chief Whitman On Hot Seat Over 9/11 Air
Ground Zero Workers Head To D.C. To Protest

See Also -- Slideshow: The World Trade Center Remembered's 9/11 Special Report

Magee Hickey

(CBS) NEW YORK Lawmakers in Washington are holding a health hearing Monday about environmental issues at Ground Zero.

Former Environmental Protection Agency chief Christine Todd Whitman is expected to testify about what she knew about air quality in lower Manhattan in the weeks after the terrorist attacks.

Dozens of first responders boarded buses in Manhattan early Monday morning for the long trip to Washington, D.C., to make their voices heard.

They are demanding prison time for Whitman, and are scheduled to join a protest march at 1 p.m. Monday.

Nearly six years after the 9/11 terrorist attacks, Christie Whitman must finally answer some very tough questions at a congressional hearing about 9/11 health issues and air quality.