Prof. Dr. Hamed Taleb Al-Saad, Dean of the College of Marine Sciences, has participated as a supervisor and member in the PhD dissertation exam of candidate Fadia Selim from the Department of Biology at the College of Science. Her thesis was titled "Distribution, Sources and human risk assessment of n-alkanes and PAHs compounds in soil at Basrah city". The exam took place on Thursday 10th November 2022 and the candidate passed it with an honour degree.