What product is considered a noxious liquid...

Question 1 / 2707066636ee728f7522a1c518696

Question 1 of 2707066636ee728f7522a1c518696

What product is considered a noxious liquid substance for regulatory purposes?

Question 1 of 27070

What product is considered a noxious liquid substance for regulatory purposes?

🔍 Key Concepts

• MARPOL Annex II categories for noxious liquid substances (Category X, Y, Z) • Difference between bulk liquid cargoes and solid cargoes like molten sulfur • Role of the IBC Code (International Bulk Chemical Code) and the Coast Guard NLS lists in defining what is an NLS

💭 Think About

• Look at which cargoes are typically carried as bulk liquid chemicals under MARPOL Annex II rather than under the solid bulk cargo rules. • Ask yourself which of these products is commonly listed on NLS/IBC Code chemical lists, not just as a generic industrial product. • Consider the physical state and pollution risk of each option: which is more likely to be tightly controlled as a marine pollutant when discharged overboard?

✅ Before You Answer

• Verify which options are liquid chemicals carried in bulk versus a molten solid that later solidifies. • Check which substances are typically listed in MARPOL Annex II / IBC Code tables as noxious liquid substances. • Confirm that the substance you choose would actually be regulated for discharge criteria and stripping limits as an NLS.

Question 1 of 27070

What product is considered a noxious liquid substance for regulatory purposes?

Dodecanol

Trimethyl phosphite

Sulfur (molten)

Acetonitrile