In accordance with international MARPOL...

Question 1 / 205eccef9ebacbc34ba4d466c0

Question 1 of 205eccef9ebacbc34ba4d466c0

In accordance with international MARPOL Annex I regulations and federal regulations under 33 CFR Subchapter O (Pollution), for vessels of 400 gross tons and above which are all required to carry an oily-water separator to process bilge slops, what is the design criteria in terms of maximum oil content of the overboard discharge?

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🔍 Key Concepts

• MARPOL Annex I requirements for oil content in machinery space bilge water discharges • 33 CFR Subchapter O implementation of international oil pollution standards • How an oily‑water separator (OWS) and oil content meter are calibrated and what limit triggers automatic stopping of discharge

💭 Think About

• Think about what level of oil content is considered ‘safe’ enough to be routinely discharged overboard from engine room bilges under international rules. • Which of these values is commonly associated with the alarm and automatic stopping device on an oily‑water separator? • Consider which options are unrealistically strict for real‑world ship operations and which are too high to be acceptable under pollution prevention rules.

✅ Before You Answer

• Verify the specific maximum oil content limit for bilge water discharge in MARPOL Annex I, Regulation 14/15 (machinery space bilges). • Check 33 CFR Part 155 and 157 for alignment with MARPOL’s numerical limit on oil content for OWS discharges. • Confirm which value is typically used to set the oil content meter alarm and automatic stopping device on compliant OWS systems.

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Question 1 of 20

3 parts per million

15 parts per million

100 parts per million

150 parts per million

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Question 1 / 205eccef9ebacbc34ba4d466c0

Question 1 of 205eccef9ebacbc34ba4d466c0

Back

Question 1 of 20

5eccef9ebacbc34ba4d466c0

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Be the first to share your thoughts!

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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