What is the appropriate methods on how to check presence of H2S & Benzene prior and during bunkering operation?
What are also actions to be taken in case H2S & Benzene is found?
This question is marked "community wiki".
Measurements of H2S and Benzene are the part of pre-bunkering and repetitive checks.
H2S concentration usually measured with portable multi-gas detector which bunkering crew should wear all the time on deck:
Benzene concentration usually measured with Dräger tubes:
Both gases are highly poisonous and if found in the outdoor air during bunkering, the operation must be stopped immediately, Ship Manager/DPA contacted.
Fuel contaminated with H2S and Benzene can not be kept on board due to high risk for crew health.
