Noxious Liquid Substances Quiz

Which regulation governs the prevention of pollution from noxious liquid substances carried in bulk?

• MARPOL Annex I

• MARPOL Annex II

• MARPOL Annex III

• MARPOL Annex IV

Noxious liquid substances (NLS) are classified into how many pollution categories?

• 2

• 3

• 4

• 5

What is required before departing a port after unloading a Category X substance?

• A visual inspection only

• A mandatory prewash and discharge to a reception facility

• Discharge into the sea if the ship is 5 miles from shore

• No specific action required

What is the minimum distance from the nearest land for permitted discharge of certain NLS residues?

• 6 nautical miles

• 12 nautical miles

• 25 nautical miles

• 50 nautical miles

What is the minimum water depth required for NLS discharge at sea?

• 10 meters

• 15 meters

• 25 meters

• 50 meters

Which document must be maintained on board to record cargo handling, prewash, and discharge operations?

• Oil Record Book

• Cargo Record Book

• Ship’s Logbook

• Port State Control Inspection Report

What is the purpose of a Shipboard Marine Pollution Emergency Plan (SMPEP)?

• To monitor ship stability

• To outline procedures for responding to NLS spills

• To ensure cargo is loaded properly

• To check fuel consumption efficiency

True or False: NLS residues can be discharged in the Antarctic area if they meet the discharge criteria.

• True

• False

What is the required minimum speed of a ship when discharging NLS residues into the sea?

• 3 knots

• 7 knots

• 10 knots

• No minimum speed requirement

Which facility should a ship use for disposing of tank washings and cargo residues?

• Local landfill

• Ship’s bilge tank

• Port reception facility

• Open sea discharge