TRIANA:

The preliminary EPIC wavelength selections are selected to match TOMS and MODIS where possible:
Channel # Wavelength Purpose
1 317.5 Total ozone (paired with 340 nm)
2 325 Total ozone and SO2 (paired with 340 nm)
3 340 Total ozone and UV aerosols (paired with 388 nm)
4 388 UV aerosols and reference channel for Raman scattering cloud height
5 393.5 Raman scattering for cloud height (paired with 388 nm)
6 443 Blue (RGB) and Vegetation Index (paired with 555) plus albedo maps
7 551 Green (RGB) Vegetation and albedo maps
8 605 Chapuis band ozone profile detection from limb view and high SZA
9 645 Red (RGB) Vegetation with 443 and 555 nm, albedo, and cloud phase.
10 869.5 Clear channel for cloud phase and vegetation