5.1 Blending on board describes the mixing of
two products resulting in one single product (a blended mixture) and
reflects only physical mixing as distinct from any chemical processing.
Such mixing operations should only be undertaken whilst the ship is
within port limits.
5.2 The physical blending on board of petroleum
oil and biofuels during a sea voyage to create new products is prohibited
as indicated in MSC-MEPC.2/Circ.8 –
Prohibition of blending MARPOL cargoes on board during the sea voyage.