1. Antibiotics and Pesticides Residues Department, Lebanese Agricultural Research Institute Fanar, Jdeidet El Metn, Lebanon
2. Environment Core Laboratory, American University of Beirut, Beirut, Lebanon
3. Faculty of Sciences, Lebanese University, Hadath, Lebanon
4. Ministry of Environment, Republic of Lebanon, P.O. Box 11-2727, Beirut, Lebanon
5. Faculty of Agronomy, Department of Environment and Natural Resources, Lebanese University, Dekwaneh, Beirut, Lebanon