Circular on hazardous materials in controlling water pollution. Country/Territory Türkiye Document type Miscellaneous Date 1989 Source FAO, FAOLEX Original source Official Gazette No. 20106, 12 March 1989. Subject Water Keyword Hazardous substances Hazardous waste Freshwater resources management Policy/planning Pollution control Waste disposal Waste non-domestic sources Freshwater pollution Geographical area Asia, Black Sea, Europe, Europe and Central Asia, Mediterranean, Middle East, Western Asia Abstract Hazardous materials in waters are defined and classified in the Circular. Materials are defined as: (i) Very dangerous and harmful materials, (ii) Dangerous and harmful materials, (iii) Less dangerous and harmful materials, and (iv) Safe materials. Materials are listed in Annex-4 to Annex-7 of the Regulation in regards to above classification. Technical details are given in the Circular. Full text Turkish References - Legislation Amended by Regulation for Water Pollution Control. Legislation | Türkiye | 1988 Keyword: Marine pollution, Marine protected areas, Deep sea bed, Hazardous waste, Marine area, Surface water, Effluent waste water/discharge, Freshwater pollution, Groundwater, Inland waters, Water conservation zone, Water quality standards, Oil pollution, Pollution control, Sewerage, Waste disposal Source: FAO, FAOLEX