The highest concentration of a harmful substance to which a person may be exposed without danger to health, is termed the
Direct Answer
Option C: threshold limit value
The Threshold Limit Value (TLV) represents the maximum airborne concentration of a chemical substance to which nearly all healthy workers can be exposed day after day without adverse health effects. This critical safety parameter, referenced in ISGOTT and Material Safety Data Sheets (MSDS), guides safe working practices and ventilation requirements to protect crew health.
All Options
Detailed Explanation & Context
The Threshold Limit Value (TLV) represents the maximum airborne concentration of a chemical substance to which nearly all healthy workers can be exposed day after day without adverse health effects. This critical safety parameter, referenced in ISGOTT and Material Safety Data Sheets (MSDS), guides safe working practices and ventilation requirements to protect crew health.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).
Practice Full CHEMCO Set 11
Test yourself with 30 interactive questions, live timer, and instant score.