Atmospheric Pollutants Flows |
Atmospheric arsenic sources |
Non carcinogeous chronic effects |
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Toxic |
Year flow |
Anthropogenos pertubation ratio |
Main sources |
source |
tons/year |
acetone |
0.1 |
Lead |
25000 tons |
11.3 |
Energy, industry |
Non ferrous metalwork |
4290 |
barium |
0.05 |
Hydrocarbons |
500000 tons |
10 |
Extraction, trasnport |
Steel industry |
60 |
cadmium |
0 |
Cadmium |
1000 tons |
8 |
Industry, agriculture |
Wood combustion |
425 |
chloroform |
0.01 |
SO2 |
125 *10 |
2.5 |
Combustions, metalwork |
Coal combustion |
6240 |
cyanide |
0.02 |
Methane |
800 ppm |
2.1 |
Agriculture, energy |
Agriculture slash |
1600 |
1,1 dichloroethylene |
0.01 |
Mercury |
4300 tons |
0.43 |
Combustions, industry |
Pasture burn |
1000 |
chloromethylene |
0.06 |
N2O |
10 |
0.8 |
Agriculture |
Pesticides (As) |
580 |
hydrogencyanide |
0.02 |
particles |
4.2 * 10 |
0.25 |
Combustions, agriculture |
Glass |
468 |
pentachlorophenol |
0.03 |
CO2 |
280 ppm |
0.35 |
Energy, deforestation |
Solidwaste incineration |
78 |
phenol |
0.6 |
Atmosphere Sulfur Sources |
All |
8060 |
PCB arochlor 1016 |
7.00E-06 |
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|
|
10 |
Pure air normal concentration |
Atmospheric lead sources |
PCB arochlor 1254 |
2.00E-06 |
|
SO2 |
Coal combustion |
63 |
0.14 ppb (continent) |
Source |
kilotons/year |
silver |
0 |
SO2 |
Oil refinary |
4 |
0.07 ppb (Oceans) |
Fuels combustion |
10 |
tetrachloroethylen |
0.01 |
SO2 |
Oil combustion |
19.3 |
|
Coal combustion |
4 |
toluene |
0.2 |
SO2 |
Metalwork |
13.6 |
|
Non ferrous metalwork |
145.2 |
1,2,4 trichlorobezene |
0.02 |
SO2 |
Volcanoe |
28 |
|
Steel industry |
73 |
xilens |
2 |
H2S |
Industrial emissions |
3.9 |
0.1 ppb |
Industrial uses |
4.5 |
|
|
|
Ground emissions |
32 |
|
others |
6.6 |
|
|
SHCH3 & S(CH3)2 |
Ocean emissions |
25 |
|
All |
247.3 |
|
|
SO4 |
Industrial e. |
12 |
1.3 ppb |
|
Atmosphere Cadmium main sources Europe |
||
SO4 |
Ocean e. |
140 |
51.5 µg/ m3 |
|
|
sources |
tons/year |
SO4 |
Ground e. |
20 |
|
|
Metal production |
copper |
600 |
Main sources of volatil compounds of nitrogen |
Zinc Cadmium |
1050 |
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compound |
anthropogenic |
natural |
Non polluted air |
Atmospheric total mas |
Steel siderurgy |
60 |
|
NO + NO2 |
Industrial 23.5 |
Anaerobic micro-organism NO 2 - 20 |
Continental airą;& |
nd |
Fossil fuels combustion |
coal |
146 |
Biomass combustion 2.5 - 8.5 |
Lightening 2 - 8 |
Oceanic air 0.01 |
Oil |
110 |
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|
Stratosphere 0.5 |
|
waste incineration |
85 |
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NO2 |
(6.48 - 9.2) 7.8 |
(6.1 - 9.3) 8.1 |
3 |
1500 |
Industry metal use |
20 |
|
NH3 |
Amonification, combustion 76 |
Anaerobic micro-organisms 41 - 71 |
3 |
30 |
Cement production |
15 |
|
|
|
|
|
|
|
All |
2086 |