1. Toxicological profile for lead / U. S. Department of Health and Human Services. - Public Health Service Agency for Toxic Substances and Disease Registry, 1999. - 640 p.
2. Directive 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe // Official Journal of the European Union. - 2008. - L. 152. - 44 p.
3. Air Quality Guidelines for Europe / World Health Organization Regional Office for Europe Copenhagen. - Second Edition. - World Health Organization, 2000. -288 p. - (WHO Regional Publications, European Series, № 91).
4. National ambient air quality standards for lead. [Electronic resource]. - Mode of access: https://www.epa.gov/lead-airpollution/national-ambient-air-quality-standards-naaqs-lead-pb. - Date of access: 26.10.2017.
5. Slootweg, J. Progress in the modelling of critical thresholds and dynamic modelling, including impacts on vegetation in Europe: CCE Status Report 2010 / J. Slootweg, P. Maximilian, J. Hettelingh. - Netherlands, National Institute for Public Health and the Environment, 2010. - 8 p.
6. Protocol to the 1979 Convention on Long-Range Transboundary Air Pollution on heavy metals with amendments adopted at the 31st session of the Executive Body. - United Nations, 2013. - 40 p.
7. EBAS database. [Electronic resource]. - Mode of access: http://ebas.nilu.no. - Date of access: 25.10.2017.
8. Aas, W. Heavy metals and POP measurements 2013. EMEP/CCC-Report 3/2015 / W. Aas, P. Bohlin-Nizzetto. - Kjeller, Norway: Norwegian Institute for Air Research, 2015. - 145 p.
9. AirBase - The European air quality database [Electronic resource]. - Mode of access: //https://www.eea.europa.eu/dataand-maps/data/aqereporting-2. - Date of access: 25.10.2017.
10. Directive 2004/107/EC of the European Parliament and of the Council of 15 December 2004 relating to arsenic, cadmium, mercury, nickel and polycyclic aromatic hydrocarbons in ambient air // Official Journal. - 2005. - L 23. - P. 3-16.
11. Guerreiro, C. Air quality status and trends in Europe / C. Guerreiro, V. Foltescu, F.de Leeuw // Atmospheric Environment. - 2014. - Vol. 98. - P. 376-384. https://doi.org/10.1016/j.atmosenv.2014.09.017
12. National Trends in Lead Levels. [Electronic resource]. - Mode of access: https://www.epa.gov/air-trends/lead-trends. - Date of access: 25.10.2017.
13. WebDab - EMEP database [Electronic resource]. - Mode of access: http://www.ceip.at/ms/ceip_home1/ceip_home webdab_emepdatabase. - Date of access: 26.04.2018.
14. National Air Pollutant Emission Trends, 1900 - 1998 EPA-454/R-00-002. March 2000. [Electronic resource]. - Mode of access: https://nepis.epa.gov/Exe/ZyPDF.cgi/2000ETJA.PDF?Dockey=2000ETJA.PDF. - Date of access: 25.10.2017.
15. National Air Quality and Emissions Trends Report Special studies. 2003 Special Studies Edition.EPA 454/R-03-005 [Electronic resource]. - Режим доступа: https://www.epa.gov/sites/production/files/2017-11/documents/trends_report_2003. pdf. - Date of access: 25.10.2017.
16. Report on the Environment Lead Emissions [Electronic resource]. - Mode of access: https://www.epa.gov/roe. - Date of access: 25.10.2017.
17. Air pollution trends in the EMEP region between 1990 and 2012. EMEP/CCC-Report 1/2016 / Norwegian Institute for Air Research. - Kjeller, Norway, 2016. - 105 p.
18. EMEP-MSCE data of heavy metals for the EMEP region. [Electronic resource]. - Mode of access: http://www.msceast. org/index.php/pollution-assessment/emep-domain-menu/data-hm-pop-menu. - Date of access: 26.04.2018.
19. Joint CEIP/MSC-E technical report on emission inventory improvement for heavy metals modeling: EMEP Technical Report 01/2017 / O. Travnikov [et al.]. - Vienna, 2017. - 43 p.
20. Estimation of Heavy Metal Emission Fluxes on the Territory of the NIS / S. Kakareka [et al.] // Atmospheric Environment. - 2004. - Vol. 38, N. 40. - P. 7101-7109. https://doi.org/10.1016/j.atmosenv.2004.03.079
21. Nriagu, J. O. A global assessment of natural sources of atmospheric trace metals / J. O. Nriagu // Nature. - 1989. - Vol. 338, N. 6210. - P. 47-49. https://doi.org/10.1038/338047a0
22. Pacyna, J. M. Global Budgets of Trace Metal Sources / J. M. Pacyna, M. T. Scholtz and Y.-F. Li // Environmental Reviews. - 1995. - Vol. 3, N. 2. - P. 145-159. https://doi.org/10.1139/a95-006
23. Re-suspension of lead contaminated urban soil as a dominant source of atmospheric lead in Birmingham, Chicago, Detroit and Pittsburgh, USA / M. A. S. Laidlaw [et al.] // Atmospheric Environment. - 2012. - Vol. 49. - P. 302-310. https:// https://doi.org/doi.org/10.1016/j.atmosenv.2011.11.030