AMPP Marine Coatings Practice Questions - AMPP Marine Coatings Inspector Specialty Exam

Under the IMO PSPC 90/10 rule for ballast tank coating thickness measurements, which statement is correct?

90% of readings must be ≥ NDFT and the remaining 10% must be ≥ 0.9 × NDFT 90% of readings must be ≤ NDFT and 10% must exceed it 100% of readings must be ≥ NDFT with no exceptions 90% of readings can be any value if average ≥ NDFT

Correct Answer:

90% of readings must be ≥ NDFT and the remaining 10% must be ≥ 0.9 × NDFT

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