Definition(s)
Retained Sample
Retained sample is the representative sample in accordance with regulation 18.8.1 of Annex VI to MARPOL 73/78, of the fuel delivered to the ship derived from the primary sample.
Source: Resolution MEPC.182(59), 2009 Guidelines for the sampling of fuel oil for determination of compliance with the revised MARPOL Annex VI, 17 July 2009, International Maritime Organization. Regulatory Guidance