North P&I Club has noted that claims have emerged where grain cargoes loaded in the US and subsequently fumigated on board were found to be affected by mould during the voyage. In each case the claimants alleged the cause of the damage was the failure to ventilate whilst the vessel was on passage....
https://insurancemarinenews.com/insurance-marine-news/fumigated-cargoes-to-vent-or-not-to-vent/