title: Decrease in ambient air lead concentrations in Varna, Bulgaria, associated with the introduction of unleaded gasoline.
abstract: An examination of ambient air lead monitoring data was used to demonstrate success of banning the import and use of leaded gasoline in Bulgaria. From 1996-2007 air lead levels in Varna, the third largest city, decreased up to 63-fold.
authors.affiliation: Department of Ecology and Marine Sciences, Technical University of Varna, Varna, Bulgaria.
authors.forename: Rozalina
authors.initials: R
authors.lastname: Chuturkova
authors.forename: Yulia
authors.initials: Y
authors.lastname: Iossifova
authors.forename: Scott
authors.initials: S
authors.lastname: Clark
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D002031:Bulgaria; D002947:Cities; D005742:Gasoline / Q000032:analysis*; D007854:Lead / Q000032:analysis*; D001335:Vehicle Emissions / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D005742:Gasoline; D001335:Vehicle Emissions; D007854:Lead