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Abbreviations and acronyms

µg
Microgram
Beta
Beta gauge (an instrument which uses Beta radiation to monitor particulate matter)
BPM
'Best practicable means'
CO
Carbon monoxide
CO2
Carbon dioxide
Fl
Fluorine
g
Gram
GEMS
Global Environment Monitoring System
H2
S
Hydrogen sulphide
Hi-vol
High volume
l
Litre
m3
Cubic metre
mg
Milligram
NH3
Ammonia
NO
Nitric oxide
NO2
Nitrogen dioxide
NOx
Oxides of nitrogen
O3
Ozone
Pb
Lead
PM10
Fine particulates (less than 10 microns diameter)
ppb
Parts per billion
RMA
Resource Management Act
SO2
Sulphur dioxide
SOx
Oxides of sulphur
TEL
Tetraethyl lead (a lead compound used in petrol as an octane enhancer)
TEOM
Transverse element oscillating microbalance (an instrument to monitor particulate matter)
TML
Tetramethyl lead (a lead compound used in petrol as an octane enhancer)
TS
Total sulphur
TSP
Total suspended particulates
VOC
Volatile organic compound