← MeoMock / Written exams
Class 2 (2nd Engineer) SSEP 📅 Feb 2026

Exam Question

Q2 With respect to MARPOL 73/78, Annex - II, Noxious liquid chemicals are divided into categories. (a) State the number of categories, and what does each category signify. (b) State the requirement of Procedures and Arrangements Manual, and what information is available. (c) What are the latest amendments in IBC code.

Reference Answer

### (a) Categories of Noxious Liquid Substances (NLS)
MARPOL Annex II divides Noxious Liquid Substances into four pollution categories based on the hazard they present to marine resources, human health, or amenities. The categories are defined in Regulation 6 of the Annex.
**1. Category X:**
* **Significance:** These are NLS which, if released into the sea from tank cleaning or deballasting operations, are deemed to present a **major hazard** to either marine resources or human health.

Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.

View plans Browse library

← Browse more questions

Prepare on Android — MeoMock on Google Play