On the basis of the evidence obtained during out investigation of the Ghouta incident, THE CONCLUSION IS THAT ON 21 AUGUST 2013, CHEMICAL WEAPONS HAVE BEEN USED IN THE ONGOING CONFLICT BETWEEN THE PARTIES IN THE SYRIAN ARAB REPUBLIC, also against civilians, including children, on a relatively large scale. In particular, the environmental, chemical and medical samples we have collected provide CLEAR AND CONVINCING EVIDENCE THAT SURFACE-TO-SURFACE ROCKETS CONTAINING THE NERVE AGENT SARIN were used in Ein Tarma, Moadamiyah and Zamalka in the Ghouta area of Damascus.