Glossary of useful terms 

Commonly used terms on this website are shown below in this glossary section.

The NFR/CRF codes used on this website are shown below.

CRF Code Source Description
1 Energy
1.A Fuel Combustion Activities
1.A.1 Energy Industries
1.A.1.a.i Public Electricity and Heat Production
1.A.1.b. Petroleum Refining
1.A.1.c.i Chemicals
1.A.1.c.ii Oil and Gas Extraction
1.A.1.c.iii Other Energy industries
1.A.2 Manufacturing Industries and Construction
1.A.2.a Iron and Steel
1.A.2.b Non-ferrous metals
1.A.2.c Chemicals
1.A.2.d Pulp, Paper and Print
1.A.2.e Food Processing, Beverages and Tobacco
1.A.2.f Non-metallic minerals
1.A.2.g.vii Mobile combustion in manufacturing industries and construction
1.A.2.g.viii Stationary combustion in manufacturing and construction: other
1.A.3 Transport
1.A.3.a.i International Aviation
1.A.3.a.ii Civil Aviation
1.A.3.b.i Road Transportation: cars
1.A.3.b.ii Road Transportation: Light Duty trucks
1.A.3.b.iii Road Transportation: Heavy Duty trucks and buses
1.A.3.b.iv Road Transportation: Motorcycles
1.A.3.b.v Road Transportation: Other
1.A.3.c Railways
1.A.3.d Domestic Navigation
1.A.3.e Other
1.A.4 Other Sectors
1.A.4.a Commercial / Institutional Combustion
1.A.4.b.i Residential stationary combustion
1.A.4.b.ii Household and gardening mobile combustion
1.A.4.c.i Agriculture/Forestry/Fishing stationary combustion
1.A.4.c.ii Off-road vehicles and other machinery from agriculture/forestry/fishing
1.A.4.c.iii Fishing
1.A.5 Other (not elsewhere specified)
1.A.5.a Other, stationary (including military)
1.A.5.b Other, mobile (including military)
1.B Fugitive Emissions from Fuels
1.B.1 Fugitive Emissions from Solid Fuels
1.B.1.a Coal Mining and Handling
1.B.1.a.1 Underground mines
1.B.1.a.1.i Mining activities
1.B.1.a.1.ii Post-mining activities
1.B.1.a.1.iii Abandoned underground mines
1.B.1.a.2 Surface Mines
1.B.1.a.2.i Mining activities
1.B.1.b Solid fuel transformation
1.B.2 Oil and Natural Gas
1.B.2.a Oil
1.B.2.a.1 Exploration
1.B.2.a.2 Production
1.B.2.a.3 Transport
1.B.2.a.4 Refining / Storage
1.B.2.a.5 Distribution
1.B.2.b Natural Gas
1.B.2.b.1 Exploration
1.B.2.b.2 Production
1.B.2.b.3 Processing
1.B.2.b.4 Transmission and storage
1.B.2.b.5 Distribution
1.B.2.c Venting and Flaring
1.B.2.c.1 Venting
1.B.2.c.1.i Oil
1.B.2.c.1.ii Gas
1.B.2.c.2 Flaring
1.B.2.c.2.i Oil
1.B.2.c.2.ii Gas
2 Industrial Processes and Product Use
2.A Mineral Products
2.A.1 Cement Production
2.A.2 Lime Production
2.A.3 Glass Production
2.A.4.a Other Process uses of Carbonates: Ceramics
2.A.4.d Other Process uses of Carbonates: Other
2.B Chemical Industry
2.B.1 Ammonia Production
2.B.2 Nitric Acid Production
2.B.3 Adipic Acid Production
2.B.6 Titanium Dioxide Production
2.B.7 Soda Ash Production
2.B.8 Petrochemical and Carbon Black Production
2.B.8.a Methanol
2.B.8.b Ethylene
2.B.8.c Ethylene Dichloride and Vinyl Chloride Monomer
2.B.8.d Ethylene Oxide
2.B.8.e Acrylonitrile
2.B.8.f Carbon Black
2.B.8.g Other
2.B.9 Fluorochemical Production
2.B.9.a.1 Production of HCFC-22
2.B.9.a.3 Other flurochemical production
2.B.10 Other
2.C Metal Production
2.C.1 Iron and Steel production
2.C.2.a Steel
2.C.2.b Pig Iron
2.C.2.d Sinter
2.C.2 Aluminium production
2.C.4 Magnesium production
2.C.5 Lead production
2.C.6 Zinc production
2.C.7 Other metal production
2.D Non-energy Products from Fuels and Solvent Use
2.D.1 Lubricant use
2.D.2 Paraffin Wax use
2.D.3 Other
2.D.4 Petroleum coke
2.E Electronics Industry
2.E.1 Integrated Circuit or Semiconductor
2.F Product Uses as Substitutes for ODS
2.F.1 Refrigeration and Air Conditioning Equipment
2.F.1.a Commercial Refrigeration
2.F.1.b Domestic Refrigeration
2.F.1.c Industrial Refrigeration
2.F.1.d Transport Refrigeration
2.F.1.e Mobile Air-Conditioning
2.F.1.f Stationary Air-Conditioning
2.F.2 Foam Blowing Agents
2.F.2.a Closed Cells
2.F.2.b Open Cells
2.F.3 Fire Extinguishers
2.F.4 Aerosols
2.F.4.a Metered Dose Inhalers
2.F.4.b Other
2.F.5 Solvents
2.F.6 Other Applications
2.F.6.b Contained
2.G Other Product Manufacture and Use
2.G.1 Electrical Equipment
2.G.2 SF6 and PFCs from Other Product Use
2.G.2.a Military Applications
2.G.2.b Accelerators
2.G.2.e Other
2.G.3 N2O from Product Uses
2.G.3.a Medical Applications
2.G.4 Other
2.H Other
2.H.1 Pulp and Paper
2.H.2 Food and beverages industry
3 Agriculture
3.A Enteric Fermentation
3.A.1 Cattle
3.A.2 Sheep
3.A.3 Swine
3.A.4 Other livestock
3.B Manure Management
3.B.1 CH4 emissions
3.B.1.1 Cattle
3.B.1.2 Sheep
3.B.1.3 Swine
3.B.1.4 Other livestock
3.B.2 N2O and NMVOC emissions
3.B.1.1 Cattle
3.B.1.2 Sheep
3.B.1.3 Swine
3.B.1.4 Other livestock
3.D Agricultural Soils
3.D.1 Direct N2O emissions from managed soils
3.D.1.1 Inorganic N Fertilizers
3.D.1.2 Organic N Fertilizers
3.F Field Burning of Agricultural Wastes
3.G Liming
3.G.1 Limestone
3.G.2 Dolomite
3.H Urea Application
4 Land use, land use change and forestry
4.A Forest Land
4.A.1 Forest Land remaining Forest Land
4.A.2 Land converted to Forest Land
4.B Cropland
4.B.1 Cropland remaining Cropland
4.B.2 Land converted to Cropland
4.C Grassland
4.C.1 Grassland remaining Grassland
4.C.2 Land converted to Grassland
4.D Wetlands
4.D.1 Wetlands remaining Wetlands
4.D.2 Land converted to Wetlands
4.E Settlements
4.F Other Land
4.F.1 Other Land remaining Other Land
4.F.2 Land converted to Other Land
4.G Harvested Wood Products
5 Waste
5.A Solid Disposable Waste
5.A.1.a Solid Waste Disposal to land
5.B Biological Treatment of Solid Waste
5.B.1.a Municipal Solid Waste: composting
5.B.2.a Municipal Solid Waste: Anaerobic digestion at biogas facilities
5.C Incineration and Open Burning of Waste
5.C.1.1.b Incineration: Sewage Sludge
5.C.1.2.a Incineration: Municipal Solid Waste
5.C.2.1.b Open Burning: other biogenic waste
5.C.2.2.b Open Burning: accidental building and vehicle fires
5.D Wastewater Treatment and Discharge
5.D.1 Domestic
5.D.2 Industrial
6 Other
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