Notation	Name	Description	Status
1	Total ozone		stable
2	Air mass (slant path at 22 km)		stable
3	Measured ozone partial pressure (sounding)		stable
4	Ozone sounding correction factor (CF)		stable
5	Ozone p		stable
8	Significand of volumetric mixing ratio		stable
11	Log10 of integrated electron density		stable
12	Total electron count per square metre		stable
15	Maximum image spectral component before normalization		stable
20	Integrated ozone density		stable
21	Integrated mass density		stable
24	Optical depth		stable
25	Type of pollutant		stable
26	Concentration of pollutant (mol mol-1)		stable
27	Concentration of pollutant (kg m-3)		stable
29	Extinction coefficient		stable
30	Aerosol contamination index		stable
31	Atmospheric path delay in satellite signal		stable
32	Estimated error in atmospheric path delay		stable
33	Difference in path delays for limb views at extremes of scan		stable
34	Estimated error in path delay difference		stable
35	Component of zenith path delay due to water vapour		stable
36	Atmospheric refractivity		stable
37	Bending angle		stable
41	Sulphur dioxide index		stable
42	Reflectance		stable
45	Sulphur dioxide		stable
46	Volcano contamination index		stable
49	Aerosol Angstrom wavelength exponent		stable
51	Meteorological optical range		stable
52	Log10 of number density of aerosol particles with diameter greater than 5 nm		stable
53	Log10 of number density of aerosol particles with diameter greater than 14 nm		stable
54	Log10 of number density of aerosol particles with diameter between 0.25 and 2.5 µm		stable
55	Non volatile aerosol ratio		stable
62	Aerosol optical thickness		stable