UN 3151Class 9 — Miscellaneous Dangerous SubstancesPG II
- Packing Group
- II
- Medium danger
- Classification Code
- M2
- Transport Category
- 0
- For the 1,000-point rule (0 = highest restriction)
- Hazard ID No.
- 90
- Kemler code
- Limited Quantity
- 1 L
- Max per inner package for LQ relief
- Excepted Quantity
- E2
- EQ code for excepted quantity relief
Thresholds — why, not just the verdict
Transport Category
Category 0
Never exempt — any quantity requires full ADR compliance
Per-substance max
0 kg/L
Per-substance maximum (1.1.3.6.3) — Category 0 is never exempt
Limited Quantity
1 L
Max per inner packaging for LQ relief (Chapter 3.4)
Excepted Quantity
E2
Max 30 ml/g per inner, 500 ml/g per outer package (Chapter 3.5)
Special Provisions
SP 203, SP 305
May alter scope or limits — full text in ADR 2025 Chapter 3.3
Hazard Labels Required
Label 9
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 203SP 305
Refer to ADR 2025 Chapter 3.3 for full text of each provision.