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Table 1.5.2 (a&b) Key category analysis for the 2005 inventory – Tier 1 level assessment including LULUCF (a) and excluding LULUCF (b)

(a) Tier 1 Category Level Assessment - including LULUCF

IPCC Categories

Gas

2005 estimate  Gg

Level assessment

Cumulative total

Forest land remaining forest land

CO2

26767.89

24.9

24.9

Emissions from enteric fermentation in domestic livestock

CH4

23919.80

22.2

47.1

Mobile combustion - road vehicles

CO2

12444.08

11.6

58.7

Emissions from stationary combustion - gas

CO2

7589.75

7.1

65.8

Emissions from agricultural soils - animal production

N2O

7559.46

7.0

72.8

Emissions from stationary combustion - solid

CO2

6727.23

6.3

79.1

Indirect emissions from nitrogen used in agriculture

N2O

3384.65

3.1

82.2

Emissions from stationary combustion - liquid

CO2

3128.98

2.9

85.1

Direct emissions from agricultural soils

N2O

1762.87

1.6

86.7

Emissions from the iron and steel industry

CO2

1662.00

1.5

88.3

Emissions from solid waste disposal sites

CH4

1460.70

1.4

89.7

Conversion to forest land

CO2

1254.72

1.2

90.8

Mobile combustion - aviation

CO2

1015.99

0.9

91.8

Emissions from substitutes for ozone depleting substances

HFCs

741.56

0.7

92.5

Emissions from manure management

CH4

739.48

0.7

93.1

Other-emissions from liming

CO2

714.21

0.7

93.8

Conversion to grassland

CO2

706.91

0.7

94.5

Cropland remaining cropland

CO2

671.12

0.6

95.1

(b) Tier 1 Category Level Assessment - excluding LULUCF

IPCC Categories

Gas

2005 estimate  Gg

Level assessment

Cumulative total

Emissions from enteric fermentation in domestic livestock

CH4

23919.80

31.0

31.0

Mobile combustion - road vehicles

CO2

12444.08

16.1

47.2

Emissions from stationary combustion - gas

CO2

7589.75

9.8

57.0

Emissions from agricultural soils - animal production

N2O

7559.46

9.8

66.8

Emissions from stationary combustion - solid

CO2

6727.23

8.7

75.5

Indirect emissions from nitrogen used in Agriculture

N2O

3384.65

4.4

79.9

Emissions from stationary combustion - liquid

CO2

3128.98

4.1

84.0

Direct emissions from agricultural soils

N2O

1762.87

2.3

86.3

Emissions from the iron and steel industry

CO2

1662.00

2.2

88.4

Emissions from solid waste disposal sites

CH4

1460.70

1.9

90.3

Mobile combustion - aviation

CO2

1015.99

1.3

91.7

Emissions from substitutes for ozone depleting substances

HFCs

741.56

1.0

92.6

Emissions from manure management

CH4

739.48

1.0

93.6

Fugitive emissions from oil and gas operations

CO2

650.24

0.8

94.4

Emissions from cement production

CO2

568.68

0.7

95.2