10. Terms and abbreviations

Terms and abbreviations	Definition
CH₄	Methane
CO₂	Carbon dioxide
EFTA	European Free Trade Association
EIF	Environmental Impact Factor
HOCNF	Harmonized Offshore Chemical Notification Format
IOGP	International Association of Oil and Gas Producers
KLD	Klima- og Miljødepartementet (Ministry of Climate and Environment)
LRA	Lav radioaktiv avleiring (low radioactive deposition)
MOD	Miljøovervåkingsdatabase (Environmental Monitoring Database)
NGU	Norges Geologiske Undersøkelse (Geological Survey of Norway)
NINA	Norsk institutt for naturforskning (Norwegian Institute for Nature Research)
NIVA	Norsk institutt for vannforskning (Norwegian Institute for Water Research)
NOx	Nitrogen oxide
NP	Norsk polarinstitutt (Norwegian Polar Institute)
nmVOC	non-methane volatile organic compounds
OD	Oljedirektoratet (Norwegian Petroleum Directorate)
OED	Olje- og Energidepartement (Norwegian Ministry of Petroleum and Energy)
o.e.	oil equivalents
OIC	Offshore Industry Committee
OSPAR	Oslo and Paris Convention. This is a legal instrument guiding international cooperation on the protection of the marine environment of the North-East Atlantic. 15 countries having either a coastline with or rivers flowing into the North-East Atlantic are members.
PLONOR	Pose Little Or No Risk to the Marine Environment is a list from OSPAR detailing chemical compounds thought to have little or no impact on the marine environment if spilled or emitted.
RBA	Risk-based approach
SOx	Sulphur oxides
SO₂	Sulphur dioxide
Sm³	Standard cubic meter
SFT	Statens Forurensningstilsyn (Norwegian Climate and Pollution Agency, merged into the Norwegian Environment Agency in 2013)
SSB	Statistisk Sentralbyrå (Statistics Norway)

Conversion factors

Based on energy content in hydrocarbons. Calculated according to NPD definitions:

Oil, 1 m³ = 1 Sm³ o.e.

Oil, 1 barrel = 0.159 Sm³

Condensate, 1 ton = 1.3 Sm³ o.e.

Gas, 1,000 Sm³= 1 Sm³ o.e.

NGL, 1 ton = 1.9 Sm³ o.e.