Events (4)

• February 11, 2002: Study Raises Concerns over Environment near Ground Zero 2002-02-11
• February 21, 2002: EPA Ombudsman Says Agency Has Intentionally Used Inferior Testing Methods 2002-02-21
• September 11, 2003: Study Finds WTC Fire Gases Gave Off Harmful Particles 2003-09-11
• Early November 2001: Ground Zero Samples Sent for Analysis