Key Category Analysis Cd
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The tables below show detailed information on how the key categories for Cd were calculated.

Level

Source Emissions in 2012 (Gg) Proportion Cd
1.A.1.b Petroleum refining 0.0013 22.49% 22.49%
2.C.1 Iron and Steel Production 0.0012 21.87% 44.36%
1.A.1.a Public Electricity and Heat Production 0.0012 21.65% 66.01%
1.A.4.b.i Residential: Stationary plants =0.0007 13.00% 79.01%
1.A.3.b.i Road Transport:, Passenger cars =0.0003 5.38% 84.39%
1.A.3.b.vi Road Transport:, Automobile tyre and brake wear 0.0003 5.33% 89.71%
1.A.3.b.iii Road Transport:, Heavy duty vehicles =0.0001 2.48% 92.19%
2.A.1 Cement Production 0.0001 2.27% 94.46%
1.A.2.f.i Stationary Combustion in Manufacturing Industries and Construction: Other 0.0001 1.69% 96.15%

Trend

Source Emissions in 1990 (Gg) Emissions in 2012 (Gg) Contribution to trend Cd
1.A.1.a Public Electricity and Heat Production 0.0049 0.0012 28.13% 28.13%
1.A.1.c Manufacture of Solid Fuels and Other Energy Industries 0.0041 0.00001 27.18% 55.31%
2.C.1 Iron and Steel Production 0.0041 0.0012 22.76% 78.07%
1.A.2.f.i Stationary Combustion in Manufacturing Industries and Construction: Other 0.0019 0.0001 12.32% 90.40%
1.A.1.b Petroleum refining 0.0011 0.0013 3.64% 94.04%
1.A.4.b.i Residential: Stationary plants 0.0003 0.0007 2.55% 96.59%
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