UN 3151

POLYHALOGENATED BIPHENYLS, LIQUID or HALOGENATED MONOMETHYLDIPHENYLMETHANES, LIQUID or POLYHALOGENATED TERPHENYLS, LIQUID

UN 3151 — ADR 2025 Table A: class 9, classification code M2, packing group II, labels 9, special provisions 203 305, limited quantity 1 L, excepted quantity E2, packing instructions P906 IBC02, transport category 0, tunnel restriction code (D/E), hazard identification number 90.

UNECE ADR 2025, ECE/TRANS/352 · checked 2026-10-28

Table A — ADR 2025 (ECE/TRANS/352), UN 3151
(1) UN No.3151
(2) Name and descriptionPOLYHALOGENATED BIPHENYLS, LIQUID or HALOGENATED MONOMETHYLDIPHENYLMETHANES, LIQUID or POLYHALOGENATED TERPHENYLS, LIQUID
(3a) Class9
(3b) Classification codeM2
(4) Packing groupII
(5) Labels9
(6) Special provisions203 305
(7a) Limited quantities1 L
(7b) Excepted quantitiesE2
(8) Packaging: packing instructionsP906 IBC02
(9a) Packaging: special packing provisions—
(9b) Packaging: mixed packing provisionsMP15
(10) Portable tanks and bulk containers: instructions—
(11) Portable tanks and bulk containers: special provisions—
(12) ADR tank: tank codeL4BH
(13) ADR tank: special provisionsTU15
(14) Vehicle for tank carriageAT
(15) Transport category (Tunnel restriction code)0 (D/E)
(16) Special provisions for carriage: packages—
(17) Special provisions for carriage: bulkVC1 VC2 AP9
(18) Special provisions for carriage: loading, unloading and handlingCV1 CV13 CV28
(19) Special provisions for carriage: operationS19
(20) Hazard identification No.90

ADR 2027 (accepted) — no change for UN 3151

ADR 2027 was accepted: depositary notification C.N.395.2026 (9 October 2026) records no objection to the amendments proposed by C.N.252.2026. It applies from 1 January 2027, and ADR 2025 may still be applied until 30 June 2027 (1.6.1.1). (C.N.395.2026)

ADR 2027: no Table A change for this entry (checked against ECE/TRANS/WP.15/274, Add.1 and Corr.1). Other parts of ADR 2027 may still affect its carriage.

ADR 2025 remains the edition FreightUtils serves and the one that applies until ADR 2027 takes effect on 1 January 2027; after that, ADR 2025 may still be applied until 30 June 2027 (1.6.1.1).

All ADR 2027 Table A changes →Check a list of UN numbers →

In plain words

Tunnels
Tunnel code (D/E): in tanks, Prohibited in D, E (bulk or tanks); in other carriage, Prohibited in E. Bulk/tanks: A, B, C. Packages: A, B, C, D. (ADR 8.6.4; from the ADR table itself)
Small-load exemption
Transport category 0: no 1.1.3.6 exemption applies (ADR 1.1.3.6.3; from the ADR table itself)
Labels
Labels: model 9 (Miscellaneous dangerous substances and articles) (ADR 5.2.2.2.2, label model No. 9; paraphrase, not yet reviewed)
Packing
Packing instruction P906: PCBs and polyhalogenated substances/articles (UN 2315, 3151, 3152, 3432): P001/P002, leakproof oversize packagings, or a leakproof metal tray in the unit. Packing instruction IBC02: Liquids under IBC02 may use metal (31A/31B/31N), rigid plastics (31H1/31H2) or composite 31HZ1 IBCs, with B and BB limits per UN number. Mixed packing provision MP15: Up to 3 litres per inner packaging may be mixed with goods of other codes or classes that permit it, or with non-ADR goods. (ADR 4.1.4.1, P906, 4.1.4.2, IBC02, 4.1.10.4, MP15; paraphrase, not yet reviewed)
Tanks
Tank code L4BH: ADR tank code for Classes 1 and 3–9: liquid tank, 4 bar, openings B, hermetically closed. — L: tank for liquid-state substances (liquids, or solids handed over molten); 4: minimum calculation pressure of 4 bar (see 6.8.2.1.14); B: filling or discharge openings at the bottom, each with 3 closures; H: hermetically closed (see 1.2.1) Tank provision TU15: Tank must not be used to carry foodstuffs, articles of consumption or animal feeds. Vehicle for tank carriage: AT — Tank vehicle for dangerous goods that is not EX/III, FL or a MEMU: tanks over 1 m³ / 3 m³, or battery-vehicle over 1 m³. (ADR 4.3.4.1.1, tank code L4BH, 4.3.5, TU15, 9.1.1.2, AT vehicle; paraphrase, not yet reviewed)
Carriage
Bulk carriage VC1: Bulk carriage allowed in sheeted vehicles, sheeted containers or sheeted bulk containers (BK1 also usable if 7.3.3.2 met). Bulk carriage VC2: Bulk carriage allowed in closed vehicles, closed containers or closed bulk containers (BK2 also usable if 7.3.3.2 met). Bulk provision AP9: Bulk allowed for solids averaging ≤ 1 000 mg/kg of the substance of this UN number, never above 10 000 mg/kg anywhere in the load. Loading provision CV1: Public-place loading/unloading: special permission needed inside built-up areas, advance notice to the authorities outside them. Loading provision CV13: After a leak or spill, clean (and if needed disinfect or decontaminate) the vehicle or container before reuse; check other goods for contamination. Loading provision CV28: Pointer: the provisions of 7.5.4 apply. Operation provision S19: Chapter 8.4 vehicle supervision applies when the total mass in the vehicle exceeds 5 000 kg. (ADR 7.3.3.1, VC1, 7.3.3.1, VC2, 7.3.3.2.7, AP9, 7.5.11, CV1, 7.5.11, CV13, 7.5.11, CV28, 8.5, S19; paraphrase, not yet reviewed)

Assembled from FreightUtils' meanings of the Table A codes, not the official text. A statement marked “not yet reviewed” has not yet been checked against ADR by a person.

Class 9 — Miscellaneous Dangerous SubstancesPacking Group II
UN 3151Class 9 — Miscellaneous Dangerous SubstancesPG II
Packing Group
II
Medium danger
Classification Code
M2
Tunnel Code
(D/E) meaning →
Code governing tunnel passage
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)
Tunnel Code
Governs which tunnel categories the load may pass
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.

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All Class 9 UN numbers →
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📅Data: UNECE ADR 2025 (ECE/TRANS/352), via EU Directive 2008/68/EC. Last verified October 2026

ADR reference data only. Classification is the consignor's legal responsibility. Consult a DGSA for compliance decisions.

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