http://www.english.hadhramaut.info Ozone exhausting materials eradicated in two sectors [The Source: www.sabanews.net - 01/01/2010] The National Ozone Unit has managed to get rid of the usage of the materials affecting the ozone layer in sectors of foams and aerosols Deputy of the General Authority for Environment, head of the National Ozone Unit Faisal Ali has told Saba that the Unit managed, since its inception in 1999, to wipe out about 500 tons of these two sectors.