Cargo-tank atmosphere LEL / UEL check - must be either below LEL or inerted below O₂ threshold.
Formula
$$ HC < 1% \lor O_2 < 8% $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $LEL$ | Lower Explosive Limit | %vol | ISGOTT |
| $UEL$ | Upper Explosive Limit | %vol | ISGOTT |
Sources
- OCIMF ISGOTT 6 Ch. 2.