The Ph.D. viva session was held in the auditorium of the Iranian Fisheries Science and Research Institute for Mr. Ali Tighsaz Zadeh (admitted for fall 2012) who was the research-based Ph.D. student. The title of his dissertation was "Ecological risk assessment of contaminated sediments in Shahid Rajaee port with emphasis on oil pipeline (1 and 2)". The student completed his education in the field of marine biology (marine ecology) at the Persian Gulf and Oman Sea Ecological Research Institute (Bandar Abbas). The doctoral thesis supervisors were Dr. Mohammad Sediqh Mortazavi and Dr. Hossein Negarestan and the doctoral thesis co-supervisors were Dr. Mohsen Dehghani and Dr. Sayedeh Leili Mohebi Nozar. Members of the thesis examination committee were Dr. Ali Mashinchian Moradi, Dr. Fereidoun Oufi and Dr. Simin Dehghan Mediseh. The doctoral thesis received a high grade.