EFSA, the European Food Safety Authority, has concluded its evaluation of substances which can be used as “previous cargoes” in bulk tanks on tanker vessels, i.e. those which can be used before the tanks are used for the transport of (edible) bulk oils and fats. These are listed in the Annex to Commission Directive 96/3/EC. The review was carried out by EFSA’s CONTAM Panel.
Substances which can no longer be considered as “previous Cargoes” in this context include calcium lignosulphonate, silicon dioxide, carnauba wax, wine lees and montan wax. Those which were considered safe included sodium silicate solution (water glass), iso-octanol, iso-nonanol, iso-decanol, 1,3-propanediol, isobutyl acetate, sec-butyl acetate, tert-butyl acetate, n-butyl acetate, propylene tetramer, paraffin wax, candelilla wax, white mineral oils and glycerol.
The report can be found here.
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