A.a boom B.suction equipment C.chemical agents D.skimmers
A.12 months since last dry-docking B.18 months since last dry-docking C.24 months since last dry-docking D.36 months since last dry-docking
A.Replace the batteries B.Check the sampling tube for blockage C.Adjust the final reading by the amount the needle is displaced from zero D.Replace the platinum filament