Atmospheric input of Cadmium, Mercury, Benzo(a)pyrene, and PCB-153 - PowerPoint PPT Presentation

Ninth Meeting of the Working Group on Reduction of Pressures from the Baltic Sea Catchment Area (PRESSURE 9-2018) Atmospheric input of Cadmium, Mercury, Benzo(a)pyrene, and PCB-153 to the Baltic Sea in period 1990-2016 Alexey Gusev (MSC-E) Riga, Latvia, 10-12 October 2018

PRESSURE 9-2018 Changes of emissions from HELCOM countries 1990-2016 2015-2016 120 2,0 Increase of emissions 100 1,5 Changes, % 80 1,0 Changes, % 60 0,5 40 0,0 20 0 -0,5 90 92 94 96 98 00 02 04 06 08 10 12 14 16 -1,0 Cd Hg BaP PCB-153 Cd Hg BaP PCB-153  Emissions of HELCOM countries decreased from 1990 to 2016: by 37% for Cd, by 45% for Hg, by 38% for B(a)P, and by 78% for PCB-153  Emissions of Cd, Hg, and B(a)P increased from 2015 to 2016 by 0.5-1.5%, while PCB-153 emissions decreased by 0.5%

PRESSURE 9-2018 Emissions of HELCOM countries in 2016 Cadmium Mercury PCB-153 B(a)P

PRESSURE 9-2018 Emissions of HELCOM countries in 2016 FI SE DK LT LV DK LV SE LT EE EE FI 1 % 1 % 1 % 0 % 0 % 1 % 1 % 0 % 1 % 2 % 1 % 1 % DE DE 25 % 14 % RU PL 44 % RU 14 % 67 % PL 26 % Hg Cd LV FI LT DK EE SE DK EE LT LV FI 2 % 2 % 2 % 1 % 1 % 2 % 4 % 1 % 1 % 0 % 8 % SE DE 10 % DE 17 % RU 34 % 49 % RU PL 18 % PL 24 % 24 % PCB-153 B(a)P  Largest contributions to total emissions of HELCOM countries are made by Russia, Poland and Germany

PRESSURE 9-2018 Changes of deposition to the Baltic Sea 1990-2016 2015-2016 0 120 -1 100 -2 Changes, % 80 -3 Changes, % 60 -4 -5 40 -6 20 -7 0 -8 90 92 94 96 98 00 02 04 06 08 10 12 14 16 -9 Cd Hg BaP PCB-153 Cd Hg BaP PCB-153  Deposition to the Baltic Sea decreased from 1990 to 2016: by 61% for Cd, by 34% for Hg, by 67% for B(a)P, and by 61% for PCB-153  Largest decrease of deposition from 2015 to 2016 is estimated for Cd (~ 8%), while for Hg, B(a)P, and PCB-153 it is ~ 1 - 1.5%

PRESSURE 9-2018 Deposition to the Baltic Sea in 2016 71% Cadmium Mercury 14% 52% 61% Decrease of deposition:  Cd – the largest in the Bothnian Bay, the lowest in the Bothnian Sea  Hg – the largest in the Sound, the lowest in the Bothnian Bay

PRESSURE 9-2018 Deposition to the Baltic Sea in 2016 B(a)P PCB-153 35% 38% 61% 74% Decrease of deposition:  B(a)P – the largest in the Western Baltic, the lowest in the Gulf of Finland  PCB-153 – the largest in the Western Baltic, the lowest in the Bothnian Bay

PRESSURE 9-2018 Deposition to the Baltic Sea in 2016 Cadmium Mercury PCB-153 B(a)P

PRESSURE 9-2018 Deposition to the Baltic Sea in 2016 0,15 0,5 Cadmium Mercury Deposition, t / y Deposition, t / y 0,4 0,1 0,3 0,2 0,05 0,1 0 0 PL DE RU DK FI EE LV SE BE GB PL DE EE DK UA FI RU SE GB CZ 5 0,5 B(a)P PCB-153 Deposition, kg / y 4 Deposition, t / y 0,4 3 0,3 2 0,2 1 0,1 0 0 PL RU DE SE FI DK LV UA EE CZ SE FI DK PL DE FR ES RU GB BY  Largest contributions to total deposition on the Baltic Sea were made by Russia, Poland and Germany

PRESSURE 9-2018 Concluding remarks  Emissions of HELCOM countries decreased from 1990 to 2016 by ~40% for Cd, Hg, and B(a)P, while for PCB-153 by ~80%  Emissions of Cd, Hg, and B(a)P tend to increase during recent several years  Largest contributions to total emissions of HELCOM countries are made by Russia, Poland and Germany  Deposition to the Baltic Sea decreased from 1990 to 2016 by ~30% for Hg, by ~60% for Cd and B(a)P, and by ~80% for PCB-153  The most significant deposition to the Baltic Sea were made by sources of Russia, Poland and Germany  Relevant activities: country specific case studies for Cd and B(a)P pollution in Poland , and HM pollution in Germany