Turkish Air Quality Control Regulation (AQCR) is in force since 1986. However, AQCR does not contain any standards for odour control. In order to respond to various odour complaints and handle odour problems in Turkey, a regulation for odour control is necessary. Since Turkey is a candidate country for European Union, environmental legislation of Turkey has to be improved to the standards of the other member countries. The purpose of this study is to investigate the “odour problem” in Turkey, specifically in Ankara, and to establish the odour measurement techniques. The techniques and information acquired throughout this study will form the basis of “Odour Regulation” in Turkey. For this purpose, odorous gas samples were collected from different industries in Ankara and these samples were analysed with the Olfactometer TO7. The results of the emission measurements have shown that there are numerous industries in Ankara which are discharging high concentrated odorous gases into the environment.