Codex Code of Practice for the Storage and transport of Edible Oils and Fats in Bulk rev. 1999.
This Code contains information about the three processes of deterioration (oxidation, hydrolysis, contamination) and information on how to avoid this. It also lists different types of tanks and recommendations concerning these different kinds of tanks and gives guidelines for operations like loading and unloading, cleaning and maintenance. The appendix recommends temperatures during storage, transport, loading and discharge for different oils.
For the complete text of the Codex Code, click here .