OCTCO/OCTF Exit Exam • Set 4 Question 21 of 30

TLV-STEL is the spot exposure of a chemical substance for a duration of:

✓

Direct Answer

Option B: 15 minutes

TLV-STEL (Threshold Limit Value - Short Term Exposure Limit) is the maximum concentration to which workers can be exposed continuously for a short period of 15 minutes without suffering adverse health effects.

All Options

S minutes

15 minutes (Correct Answer)

30 minutes

60 minutes

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF).

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