Key Category Analysis NH3

The tables below show detailed information on how the key categories for NH3 were calculated.

Level

Source Emissions in 2012 (Gg) Proportion NH3
4.B.1.a Cattle Dairy 147.64 27.07% 27.07%
4.B.1.b Cattle Non-Dairy 122.18 22.40% 49.47%
4.B.8 Swine 105.03 19.26% 68.73%
4.D.1.a Synthetic N-fertilizers 65.64 12.04% 80.77%
4.B.9.b Broilers 18.52 3.40% 84.16%
4.B.9.a Laying Hens 15.50 2.84% 87.00%
4.B.9.c Turkeys 13.75 2.52% 89.53%
1.A.3.b.i Road Transport:, Passenger cars 12.91 2.37% 91.89%
4.B.6 Horses 8.84 1.62% 93.51%
4.D.2.c N-excretion on pasture range and paddock Unspecified 8.36 1.53% 85.05%

Trend

Source Emissions in 1990 (Gg) Emissions in 2012 (Gg) Contribution to trend NH3
4.B.1.b Cattle Non-Dairy 202.50 122.18 32.46% 32.46%
4.B.1.a Cattle Dairy 195.26 147.64 23.52% 55.97%
4.B.8 Swine 140.11 105.03 17.11% 73.09%
4.D.1.a Synthetic N-fertilizers 58.67 65.64 5.15% 78.24%
4.B.9.a Laying Hens 24.31 15.50 3.68% 81.92%
4.B.9.b Broilers 8.00 18.52 3.20% 85.12%
1.A.3.b.i Road Transport:, Passenger cars 0.93 12.91 3.18% 88.29%
4.B.9.c Turkeys 5.18 13.75 2.53% 90.82%
4.D.2.c N-excretion on pasture range and paddock Unspecified 14.35 8.36 2.38% 93.20%
2.A.4 Soda Ash Production and use 4.76 1.23 1.19% 94.40%
2.B.5.a Other chemical industry 9.57 7.88 0.99% 95.38%
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