Special provisions
The special provision codes of 49 CFR 172.102 and the text of each.
| Code | Code family | Text |
|---|---|---|
| B133 | B | Hydrochloric acid concentration not exceeding 38%, in Packing Group II, is authorized to be packaged in UN31H1 or UN31HH1 intermediate bulk containers when loaded in accordance with the requirements of § 173.35(h) of this subchapter. |
| B134 | B | For Large Packagings offered for transport by vessel, flexible or fibre inner packagings shall be sift-proof and water-resistant or shall be fitted with a sift-proof and water-resistant liner. |
| B135 | B | For Large Packagings offered for transport by vessel, flexible or fibre inner packagings shall be hermetically sealed. |
| B136 | B | Non-specification closed bulk bins are authorized. |
| IB1 | IB | Authorized IBCs: Metal (31A, 31B and 31N). Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C (1.1 bar at 122 °F), or 130 kPa at 55 °C (1.3 bar at 131 °F) are authorized. |
| IB2 | IB | Authorized IBCs: Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1). Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C (1.1 bar at 122 °F), or 130 kPa at 55 °C (1.3 bar at 131 °F) are authorized. |
| IB3 | IB | Authorized IBCs: Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1 and 31HA2, 31HB2, 31HN2, 31HD2 and 31HH2). Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C (1.1 bar at 122 °F), or 130 kPa at 55 °C (1.3 bar at 131 °F) are authorized, except for UN2672 (also see special provision IP8 in Table 2 for UN2672). |
| IB3 | IB | Authorized Large Packagings (LIQUIDS)(PG III materials only) 2 Inner packagings: Large outer packagings: Glass 10 liter steel (50A). Plastics 30 liter aluminum (50B). Metal 40 liter metal other than steel or aluminum (50N). rigid plastics (50H). natural wood (50C). plywood (50D). reconstituted wood (50F). rigid fiberboard (50G). |
| IB4 | IB | Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N). |
| IB5 | IB | Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1, 11H2, 21H1, 21H2, 31H1 and 31H2); Composite (11HZ1, 21HZ1 and 31HZ1). |
| IB6 | IB | Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1, 11H2, 21H1, 21H2, 31H1 and 31H2); Composite (11HZ1, 11HZ2, 21HZ1, 21HZ2 and 31HZ1). Additional Requirement: Composite IBCs 11HZ2 and 21HZ2 may not be used when the hazardous materials being transported may become liquid during transport. |
| IB7 | IB | Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1, 11H2, 21H1, 21H2, 31H1 and 31H2); Composite (11HZ1, 11HZ2, 21HZ1, 21HZ2 and 31HZ1); Wooden (11C, 11D and 11F). Additional Requirement: Liners of wooden IBCs must be sift-proof. |
| IB8 | IB | Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1, 11H2, 21H1, 21H2, 31H1 and 31H2 ); Composite (11HZ1, 11HZ2, 21HZ1, 21HZ2 and 31HZ1); Fiberboard (11G); Wooden (11C, 11D and 11F); Flexible (13H1, 13H2, 13H3, 13H4, 13H5, 13L1, 13L2, 13L3, 13L4, 13M1 or 13M2). |
| IB8 | IB | Authorized Large Packagings (SOLIDS)(PG III materials only) 2 Inner packagings: Large outer packagings: Glass 10 kg steel (50A). Plastics 50 kg aluminum (50B). Metal 50 kg metal other than steel or aluminum (50N). Paper 50 kg flexible plastics (51H). 1 Fiber 50 kg rigid plastics (50H). natural wood (50C). plywood (50D). reconstituted wood (50F). rigid fiberboard (50G). 1 Flexible plastic (51H) Large Packagings are only authorized for use with flexible inner packagings. 2 Except when authorized under Special Provision 41. |
| IB9 | IB | IBCs are only authorized if approved by the Associate Administrator. |
| IP1 | IP | IBCs must be packed in closed freight containers or a closed transport vehicle. |
| IP2 | IP | When IBCs other than metal or rigid plastics IBCs are used, they must be offered for transportation in a closed freight container or a closed transport vehicle. |
| IP3 | IP | Flexible IBCs must be sift-proof and water-resistant or must be fitted with a sift-proof and water-resistant liner. |
| IP4 | IP | Flexible, fiberboard or wooden IBCs must be sift-proof and water-resistant or be fitted with a sift-proof and water-resistant liner. |
| IP5 | IP | IBCs must have a device to allow venting. The inlet to the venting device must be located in the vapor space of the IBC under maximum filling conditions. |
| IP6 | IP | Non-specification bulk bins are authorized. |
| IP7 | IP | For UN identification numbers 1327, 1363, 1364, 1365, 1386, 1408, 1841, 2211, 2217, 2793 and 3314, IBCs are not required to meet the IBC performance tests specified in part 178, subpart N, of this subchapter. |
| IP8 | IP | Ammonia solutions may be transported in rigid or composite plastic IBCs (31H1, 31H2 and 31HZ1) that have successfully passed, without leakage or permanent deformation, the hydrostatic test specified in § 178.814 of this subchapter at a test pressure that is not less than 1.5 times the vapor pressure of the contents at 55 °C (131 °F). |
| IP13 | IP | Transportation by vessel in IBCs is prohibited. |
| IP14 | IP | Air must be eliminated from the vapor space by nitrogen or other means. |
| IP15 | IP | For UN2031 with more than 55% nitric acid, the permitted use of rigid plastic IBCs, and the inner receptacle of composite IBCs with rigid plastics, shall be two years from their date of manufacture. |
| IP16 | IP | |
| IP19 | IP | For UN identification numbers 3531, 3532, 3533, and 3534, IBCs must be designed and constructed to permit the release of gas or vapor to prevent a build-up of pressure that could rupture the IBCs in the event of loss of stabilization. |
| IP20 | IP | Dry sodium cyanide or potassium cyanide is also permitted in siftproof, water-resistant, fiberboard IBCs when transported in closed freight containers or transport vehicles. |
| IP21 | IP | When transported by vessel, flexible, fiberboard or wooden IBCs must be sift-proof and water-resistant or be fitted with a sift-proof and water-resistant liner. |
| IP22 | IP | UN3550 may be transported in flexible IBCs (13H3 or 13H4) with sift-proof liners to prevent any egress of dust during transport. |
| N3 | N | Glass inner packagings are permitted in combination or composite packagings only if the hazardous material is free from hydrofluoric acid. |
| N4 | N | For combination or composite packagings, glass inner packagings, other than ampoules, are not permitted. |
| N5 | N | Glass materials of construction are not authorized for any part of a packaging which is normally in contact with the hazardous material. |
| N6 | N | Battery fluid packaged with electric storage batteries, wet or dry, must conform to the packaging provisions of § 173.159 (g) or (h) of this subchapter. |
| N7 | N | The hazard class or division number of the material must be marked on the package in accordance with § 172.302 of this subchapter. However, the hazard label corresponding to the hazard class or division may be substituted for the marking. |
| N8 | N | Nitroglycerin solution in alcohol may be transported under this entry only when the solution is packed in metal cans of not more than 1 L capacity each, overpacked in a wooden box containing not more than 5 L. Metal cans must be completely surrounded with absorbent cushioning material. Wooden boxes must be completely lined with a suitable material impervious to water and nitroglycerin. |
| N11 | N | This material is excepted for the specification packaging requirements of this subchapter if the material is packaged in strong, tight non-bulk packaging meeting the requirements of subparts A and B of part 173 of this subchapter. |
| N12 | N | Plastic packagings are not authorized. |
| N20 | N | A 5M1 multi-wall paper bag is authorized if transported in a closed transport vehicle. |
| N25 | N | Steel single packagings are not authorized. |
| N32 | N | Aluminum materials of construction are not authorized for single packagings. |
| N33 | N | Aluminum drums are not authorized. |
| N34 | N | Aluminum construction materials are not authorized for any part of a packaging which is normally in contact with the hazardous material. |
| N36 | N | Aluminum or aluminum alloy construction materials are permitted only for halogenated hydrocarbons that will not react with aluminum. |
| N37 | N | This material may be shipped in an integrally-lined fiber drum (1G) which meets the general packaging requirements of subpart B of part 173 of this subchapter, the requirements of part 178 of this subchapter at the packing group assigned for the material and to any other special provisions of column 7 of the § 172.101 table. |
| N40 | N | This material is not authorized in the following packagings: |
| N41 | N | Metal construction materials are not authorized for any part of a packaging which is normally in contact with the hazardous material. |
| N42 | N | 1A1 drums made of carbon steel with thickness of body and heads of not less than 1.3 mm (0.050 inch) and with a corrosion-resistant phenolic lining are authorized for stabilized benzyl chloride if tested and certified to the Packing Group I performance level at a specific gravity of not less than 1.8. |
| N43 | N | Metal drums are permitted as single packagings only if constructed of nickel or monel. |
Sources
- eCFR Versioner full XML — 49 CFR § 172.102 — Office of the Federal Register / NARA · Cleared for reuse
- eCFR Versioner full XML — 49 CFR Part 172, HMT — Office of the Federal Register / NARA · Cleared for reuse