Good (Coating Condition)
Condition with spot rusting on less than 3% of the area under consideration without visible failure of the coating. Rusting at edges or welds, should be on less than 20% of edges or weld lines in the area under consideration.
Source: IMO MSC.1/Circ.1330, Guidelines for maintenance and repair of protective coatings, 11 June 2009, International Maritime Organization. Regulatory Guidance