[7] Bustani stated that, when he refused to resign prior to the 2003 Iraq War, he was bullied and threatened by Bolton, who told him "You have 24 hours to leave the organization, and if you don't comply with this decision by Washington, we have ways to retaliate against you.
[15] According to the Statement of the Delegation of Brazil, on the IX Conference of States Parties to the Chemical Weapons Convention on 3 December 2004, Bustani donated 100% of his compensation for moral damages ("an amount which exceeds Euro 50,000.00") to the International Cooperation programmes of the OPCW: "A letter of Ambassador Bustani regarding this donation and comments about the final Judgement of the ILOAT on the issue of his removal can be found in a National Paper distributed by Brazil, document C-9/NAT.1, dated 13 August 2004.
For many, this nomination represented the acknowledgement of his commitment to the neutrality, independence and emphasis on the multilateral character of the organization as well as the non-discriminatory treatment of member states.
The OPCW Director-General recognised the contributions of former staff members of the Preparatory Commission and the Technical Secretariat by giving them a certificate marking the historic achievement.
Bustani wrote that "The convincing evidence of irregular behaviour in the OPCW investigation of the alleged Douma chemical attack confirms doubts and suspicions I already had".
[18] In November 2019, he signed a letter asking the OPCW to "permit all inspectors who took part in the Douma investigation to come forward and report their differing observations in an appropriate forum".
[19][20][non-primary source needed] In October 2020, Bustani was scheduled to testify at the United Nations Security Council about the alleged cover up by the OPCW regarding the Douma chemical attack.