đź“… 1 Juli 1988
A UN mission arrived in Iran to investigate fresh chemical-weapons allegations, combining medical examination with technical expertise under the Security Council’s investigation arrangements.
đź“… 12 Augustus 1988
UN specialists began a three-day investigation in Iran, examining patients and chemical evidence related to Oshnavieh after the Council’s request for a new inquiry.
đź“… 25 Juni 1988
Iran informed the UN that it was ready to receive the mission. Rescheduling required changes to specialist availability, leading to Dahlgren’s participation in place of Andersson.