Events (5)

• September 12, 2001: US Geological Survey and NASA Discuss Scanning Ground Zero Dust to Determine Chemical Composition 2001-09-12
• September 13, 2001: US Geological Survey and NASA Agree on Aerial Examination of Ground Zero Dust 2001-09-13
• 12:00 p.m. September 16, 2001-2:00 a.m. September 17, 2001: NASA Scans Ground Zero 2001-09-16
• September 17, 2001: NASA Finds Hot Fires Still Burning at WTC 2001-09-17
• September 20, 2001: US Geological Survey Finds Asbestos, ‘Alphabet Soup of Heavy Metals’ in Ground Zero Dust 2001-09-20