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8. Glossary
AELs
Associated Emission Limits
Anaerobic digesters
Micro-organisms that break down biodegradable material in the absence
of oxygen
BAT
Best Available Technique
BEIS
Department for Business, Energy and Industrial Strategy
boe
barrels of oil equivalent
BREF
BAT Reference
Bq
Becquerel
CEFAS
Centre for Environment, Fisheries and Aquaculture Science
CFC
Chlorofluorocarbons
CH
4
Methane
CHARM
Chemical Hazard and Risk Management model
CO
Carbon monoxide
CO
2
Carbon dioxide
CO
2
e
CO
2
equivalent
Condensate
A natural gas liquid with a low vapour pressure that generally occurs in
association with natural gas.
CRC
Carbon Reduction Commitment
DLE
Dry Low Emission
ECE
Environmental Critical Elements
EEMS
Environmental Emissions Monitoring System
ENVID
Environmental Impact Identification
EU ETS
EU Emissions Trading System
F-gases
Fluorinated gases
Flaring
The controlled burning of natural gas in the course of oil and gas
production operations
Fugitive emissions
Emissions due to weeps, seeps and leaks
GC-FID
Gas Chromatography – Flame Ionisation Detector
GHG
Greenhouse gases
GIS
Geographic Information System
HFCs
Hydrofluorocarbons
HMCS
Harmonised Mandatory Control Scheme
HSE
Health and Safety Executive
IED
Industrial Emissions Directive
IOGP
International Association of Oil & Gas Producers
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