Answer
A - Marpol simple provides product quality evidence to port state control authorities, if required. Marpol Anx 1 Regulation 18.
Retention- 1 year or till the time bunker is present onboard, whichever is later.
A MARPOL simple is required for the following reasons ¹:
- Commercial sample: The Marpol simple provides product quality evidence to Port state Control Authorities, if required.
- Basis of dispute resolution: The commercial sample forms the basis of all product quality dispute resolutions between a supplier and customer.
- Evidence of compliance: The Marpol simple is used to check for compliance with sulfur limits.
- Verification of fuel oil: The Marpol simple is used to verify the fuel oil delivered on board.
- In-use sample: The Marpol simple is used to represent the fuel oil in use at the time.
- On board sample: The Marpol simple is used to represent the fuel in the fuel oil tanks, i.e., fuel oil intended to be used or carried for use.