The U.S. Government Assessment of the Syrian Government's Use of Chemical Weapons on August 21, 2013 was a report published by the United States Government on the Ghouta chemical attack on August 21, 2013. The 4-page summary document and map was publicly released on August 30. A 12-page classified summary was made available for members of Congress. The report declared that "the United States Government assesses with high confidence that the Syrian government carried out a chemical weapons attack in the Damascus suburbs on August 21, 2013. We further assess that the regime used a nerve agent in the attack."