The Certificate of Inspection for your tankship authorizes the carriage of grade A and lower products. Which chemical may NOT be carried unless it is specifically endorsed on the Certificate of Inspection?
Official USCG Answer & Rule Citation
Correct Answer: Option A — Vinyl acetate
Vinyl acetate is a regulated chemical requiring specific handling and carriage endorsements under 46 CFR Subchapter O. Because it possesses specific hazardous properties, it cannot be carried under a general 'grade A and lower' authorization unless the vessel's Certificate of Inspection is specifically endorsed for that chemical.
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