Figure is 41% down when compared to 2H January, though Singapore still remains as top off-spec port.
Bunker samples collected at Singapore port in the two-week period had the most off-spec cases.
Proposed European Union emission trading system could affect bunker prices if implemented, it says.
Argus Media forecasts most material to likely to end up in the power generation sector, says Senior Analyst.
Fuels with high sediments can result in excessive sludge deposition in tanks and fuel systems.
A total of 57 off-spec instances recorded by FOBAS between 15 to 31 December 2018, says report.
IUMI believes that the current system of leaving the testing or damage to the end user is outdated.
HSFO prices may start coming under pressure as early as Q2 2019 due to IMO 2020 becoming more pronounced.
Chief Shipping Analyst Peter Sand forecasts dry bulk, oil tanker and container shipping sectors for 2019.
Total of 53 global off-spec instances recorded by the fuel analysis service between 1 to 14 Dec 2018.