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Estimates of emissions of As, Cd, Hg and Pb to the atmosphere from major source categories in the United States Numbers under the columns are emissions in tonnes per year

Estimates of emissions of As, Cd, Hg and Pb to the atmosphere from major source categories in the United States Numbers under the columns are emissions in tonnes per year
Estimates of emissions of As, Cd, Hg and Pb to the atmosphere from major source categories in the United States Numbers under the columns are emissions in tonnes per year

Estimates of emissions of As, Cd, Cr, Cu, Hg and Pb to the atmosphere from major source categories in Canada in 1982 Numbers under the columns are emissions in tonnes per year

Estimates of emissions of As, Cd, Cr, Cu, Hg and Pb to the atmosphere from major source categories in Canada in 1982 Numbers under the columns are emissions in tonnes per year
Estimates of emissions of As, Cd, Cr, Cu, Hg and Pb to the atmosphere from major source categories in Canada in 1982 Numbers under the columns are emissions in tonnes per year

Emissions of As, Cd, Ni and Zn to the atmosphere from major sources in the former Soviet Union in 1979/80

Emissions of As, Cd, Ni and Zn to the atmosphere from major sources in the former Soviet Union in 1979/80
Emissions of As, Cd, Ni and Zn to the atmosphere from major sources in the former Soviet Union in 1979/80

Major point sources (non-ferrous metal smelters) of Pb to the atmosphere in the Urals and the Asian part of the former Soviet Union

Major point sources (non-ferrous metal smelters) of Pb to the atmosphere in the Urals and the Asian part of the former Soviet Union
Major point sources (non-ferrous metal smelters) of Pb to the atmosphere in the Urals and the Asian part of the former Soviet Union

The relative importance of different branches of industry in discharges of Cu, Ni, Pb and Zn to the aquatic environment from major point sources in the European Community (EC)

The relative importance of different branches of industry in discharges of Cu, Ni, Pb and Zn to the aquatic environment from major point sources in the European Community (EC)
The relative importance of different branches of industry in discharges of Cu, Ni, Pb and Zn to the aquatic environment from major point sources in the European Community (EC)

Averaged upper (3000 m) air concentrations of Pb in winter (December-February) and summer (June-August) as modeled by the updated (1996) hemispheric EMEP transport model in a simulation for the reference year 1988

Averaged upper (3000 m) air concentrations of Pb in winter (December-February) and summer (June-August) as modeled by the updated (1996) hemispheric EMEP transport model in a simulation for the [..]
Averaged upper (3000 m) air concentrations of Pb in winter (December-February) and summer (June-August) as modeled by the updated (1996) hemispheric EMEP transport model in a simulation for the reference year 1988

Lead deposition as modeled by the updated (1996) hemispheric EMEP transport model in a simulation for the reference year 1988

Lead deposition as modeled by the updated (1996) hemispheric EMEP transport model in a simulation for the reference year 1988
Lead deposition as modeled by the updated (1996) hemispheric EMEP transport model in a simulation for the reference year 1988

Average contributions from various sources to the atmospheric concentrations of elements in winter air samples at Ny-Ålesund, Svalbard

Average contributions from various sources to the atmospheric concentrations of elements in winter air samples at Ny-Ålesund, Svalbard
Average contributions from various sources to the atmospheric concentrations of elements in winter air samples at Ny-Ålesund, Svalbard

Global emissions of Pb to the atmosphere from various sources and source regions in 1989 Numbers under the columns are maximum estimates of the total emissions in tonnes

Global emissions of Pb to the atmosphere from various sources and source regions in 1989 Numbers under the columns are maximum estimates of the total emissions in tonnes
Global emissions of Pb to the atmosphere from various sources and source regions in 1989 Numbers under the columns are maximum estimates of the total emissions in tonnes

Spatial distribution of global emissions of Hg in 1990 within a 1° x 1° grid The total emission inventory is 2144 tonnes Hg

Spatial distribution of global emissions of Hg in 1990 within a 1° x 1° grid The total emission inventory is 2144 tonnes Hg
Spatial distribution of global emissions of Hg in 1990 within a 1° x 1° grid The total emission inventory is 2144 tonnes Hg

Contributions from different continents and from different sources to the global emissions of Hg to the atmosphere

Contributions from different continents and from different sources to the global emissions of Hg to the atmosphere
Contributions from different continents and from different sources to the global emissions of Hg to the atmosphere

The ten major point sources, and their emissions of As and Cd to the atmosphere, in Europe at the beginning of the 1990s Numbers above the columns are emissions in tonnes per year

The ten major point sources, and their emissions of As and Cd to the atmosphere, in Europe at the beginning of the 1990s Numbers above the columns are emissions in tonnes per year
The ten major point sources, and their emissions of As and Cd to the atmosphere, in Europe at the beginning of the 1990s Numbers above the columns are emissions in tonnes per year

Generalized marine food web

Generalized marine food web
Generalized marine food web

Summary of ranges of Se levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data

Summary of ranges of Se levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data
Summary of ranges of Se levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data

Levels of PCBs in seabird eggs (µg/g lw) Values written above bars are actual mean concentrations Wet weight means are given in Annex Table 6A16

Levels of PCBs in seabird eggs (µg/g lw) Values written above bars are actual mean concentrations Wet weight means are given in Annex Table 6A16
Levels of PCBs in seabird eggs (µg/g lw) Values written above bars are actual mean concentrations Wet weight means are given in Annex Table 6A16
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