#Code figure	Code figure	Meaning
0 0 Ozone
1 1 Water vapour
2 2 Methane
3 3 Carbon dioxide
4 4 Carbon monoxide
5 5 Nitrogen dioxide
6 6 Nitrous oxide
7 7 Formaldehyde
8 8 Sulphur dioxide
9 9 Ammonia
10 10 Ammonium
11 11 Nitrogen monoxide
12 12 Atomic oxygen
13 13 Nitrate radical
14 14 Hydroperoxyl radical
15 15 Dinitrogen pentoxide
16 16 Nitrous acid
17 17 Nitric acid
18 18 Peroxynitric acid
19 19 Hydrogen peroxide
20 20 Molecular hydrogen
21 21 Atomic nitrogen
22 22 Sulphate
23 23 Radon
24 24 Elemental mercury
25 25 Divalent mercury
26 26 Atomic chlorine
27 27 Chlorine monoxide
28 28 Dichlorine peroxide
29 29 Hypochlorous acid
30 30 Chlorine nitrate
31 31 Chlorine dioxide
32 32 Atomic bromine
33 33 Bromine monoxide
34 34 Bromine chloride
35 35 Hydrogen bromide
36 36 Hypobromous acid
37 37 Bromine nitrate
10000 10000 Hydroxyl radical
10001 10001 Methyl peroxy radical
10002 10002 Methyl hydroperoxide
10004 10004 Methanol
10005 10005 Formic acid
10006 10006 Hydrogen Cyanide
10007 10007 Aceto nitrile
10008 10008 Ethane
10009 10009 Ethene (= Ethylene)
10010 10010 Ethyne (= Acetylene)
10011 10011 Ethanol
10012 10012 Acetic acid
10013 10013 Peroxyacetyl nitrate
10014 10014 Propane
10015 10015 Propene
10016 10016 Butanes
10017 10017 Isoprene
10018 10018 Alpha pinene
10019 10019 Beta pinene
10020 10020 Limonene
10021 10021 Benzene
10022 10022 Toluene
10023 10023 Xylene
#10024-10499 10024-10499 reserved for other simple organic molecules (e.g. higher aldehydes, alcohols, peroxides,…)
10500 10500 Dimethyl sulphide
#10501-20000 10501-20000 Reserved
20001 20001 Hydrogen chloride
20002 20002 CFC-11
20003 20003 CFC-12
20004 20004 CFC-113
20005 20005 CFC-113a
20006 20006 CFC-114
20007 20007 CFC-115
20008 20008 HCFC-22
20009 20009 HCFC-141b
20010 20010 HCFC-142b
20011 20011 Halon-1202
20012 20012 Halon-1211
20013 20013 Halon-1301
20014 20014 Halon-2402
20015 20015 Methyl chloride (HCC-40)
20016 20016 Carbon tetrachloride (HCC-10)
20017 20017 HCC-140a
20018 20018 Methyl bromide (HBC-40B1)
20019 20019 Hexachlorocyclohexane (HCH)
20020 20020 Alpha hexachlorocyclohexane
20021 20021 Hexachlorobiphenyl (PCB-153)
60000 60000 HOx radical (OH+HO2)
60001 60001 Total inorganic and organic peroxy radicals (HO2 + RO2)
60002 60002 Passive Ozone
60003 60003 NOx expressed as nitrogen
60004 60004 All nitrogen oxides (NOy) expressed as nitrogen
60005 60005 Total inorganic chlorine
60006 60006 Total inorganic bromine
60007 60007 Total inorganic chlorine except HCl, ClONO2: ClOx
60008 60008 Total inorganic bromine except HBr, BrONO2: BrOx
60009 60009 Lumped Alkanes
60010 60010 Lumped Alkenes
60011 60011 Lumped Aromatic Compounds
60012 60012 Lumped Terpenes
60013 60013 Non-methane volatile organic compounds expressed as carbon
60014 60014 Anthropogenic non-methane volatile organic compounds expressed as carbon
60015 60015 Biogenic non-methane volatile organic compounds expressed as carbon
60016 60016 Lumped oxygenated hydrocarbons
62000 62000 Total aerosol
62001 62001 Dust dry
62002 62002 Water in ambient
62003 62003 Ammonium dry
62004 62004 Nitrate dry
62005 62005 Nitric acid trihydrate
62006 62006 Sulphate dry
62007 62007 Mercury dry
62008 62008 Sea salt dry
62009 62009 Black carbon dry
62010 62010 Particulate organic matter dry
62011 62011 Primary particulate organic matter dry
62012 62012 Secondary particulate organic matter dry
65535 65535 Missing