Viswa lab, in its recent technical update addresses the issue with regard to storage of VLSFO fuels and changes in the sediment values during storage.
Fuel Storage Plan (FSP)What is a FSP and why is it necessary?
Recent market fluctuations have resulted in an increase in the long term storage of bunker fuels. In some cases, the fuels could be stored for as long as a year.
Viswa has observed that sediment values have increased considerably even during a storage period of a single month! And this...
https://mfame.guru/fuel-storage-plan-to-control-reduce-problems-during-storage-period/