
A hidden chemical interaction in a vessel’s bilge system can turn routine cargo and cleaning operations into a serious toxic-gas hazard. According to an IMCA Safety Flash, hydrogen sulphide (Hâ‚‚S) was detected by portable gas detectors in an open area of the main deck during a vessel’s transit back to port. The gas was traced to certain bilge vents with the suspected source linked to mud loaded for a rig. No personnel were injured or suffered ill health, but the incident exposed gaps in anaerobic conditions in bilge systems cleaning, chemical compatibility assessment and Hâ‚‚S monitoring. Continue reading “Chemical interaction risks and anaerobic conditions in bilge systems”










