October 20, 2001-October 23, 2001: Increase in Benzene and Toluene in WTC Smoke, according to Draft Report

According to a draft report (see October 29, 2001) prepared by IT Corporation of Las Vegas, there is an increase in benzene and toluene in the smoke plume emanating from the WTC North Tower Center site during this period. [Environmental Protection Agency, 10/29/2001 ]