1. Special Provisions

49 CFR 172.102 Special Provisions — N-Codes

49 CFR 172.102 N-codes — special provisions for non-bulk packagings.

Excerpts from 49 CFR §172.102. Verify against the current official rule text before relying on them.

41 provisions
CodeDescriptionOpen
N77For materials of not more than two percent active ingredients by weight, packagings need not conform to the requirements of part 178 of this subchapter, if liquid contents are absorbed in an inert material.View
N78Packages consisting of inner glass, earthenware, or polyethylene or other nonfragile plastic bottles or jars not over 0.5 kg (1.1 pounds) capacity each, or metal cans not over five pounds capacity each, packed in outer wooden boxes, barrels or kegs, or fiberboard boxes are authorized and need not conform to the requirements of part 178 of this subchapter. Net weight of contents in fiberboard boxes may not exceed 29 kg (64 pounds). Net weight of contents in wooden boxes, barrels or kegs may not exceed 45 kg (99 pounds).View
N79Packages consisting of tightly closed metal inner packagings not over 0.5 kg (1.1 pounds) capacity each, packed in outer wooden or fiberboard boxes, or wooden barrels, are authorized and need not conform to the requirements of part 178 of this subchapter. Net weight of contents may not exceed 15 kg (33 pounds).View
N80Packages consisting of one inner metal can, not over 2.5 kg (5.5 pounds) capacity, packed in an outer wooden or fiberboard box, or a wooden barrel, are authorized and need not conform to the requirements of part 178 of this subchapter.View
N82See § 173.115 of this subchapter for classification criteria for flammable aerosols.View
N83This material may not be transported in quantities of more than 11.5 kg (25.4 lbs) per package.View
N84The maximum quantity per package is 500 g (1.1 lbs.).View
N85Packagings certified at the Packing Group I performance level may not be used.View
N86UN pressure receptacles made of aluminum alloy are not authorized.View
N87The use of copper valves on UN pressure receptacles is prohibited.View
N88Any metal part of a UN pressure receptacle in contact with the contents may not contain more than 65% copper, with a tolerance of 1%.View
N89When steel UN pressure receptacles are used, only those bearing the “H” mark are authorized.View
N90Metal packagings are not authorized. Packagings of other material with a small amount of metal, for example metal closures or other metal fittings such as those mentioned in part 178 of this subchapter, are not considered metal packagings. Packagings of other material constructed with a small amount of metal must be designed such that the hazardous material does not contact the metal.View
N91The use of a non specification sift-proof, non-bulk, metal can with or without lid, or a non specification sift-proof, non-bulk fiber drum, with or without lid is authorized when transporting coal tar pitch compounds by motor vehicle or rail freight. The fiber drum must to be fabricated with a three ply wall, as a minimum. The coal tar pitch compound must be in a solid mass during transportation.View
N92Notwithstanding the provisions of § 173.24(g) of this subchapter, packagings shall be designed and constructed to permit the release of gas or vapor to prevent a build-up of pressure that could rupture the packagings in the event of loss of stabilization.View
N95UN1075, Liquefied petroleum gas and UN1978, Propane authorized for transport in DOT 4BA240 cylinders is not subject to the UN identification number and proper shipping name marking or the label requirements of this part subject to the following conditions:
a. The cylinder must be transported in a closed motor vehicle displaying FLAMMABLE GAS placards in accordance with subpart F of part 172 of this subchapter.
b. Shipping papers at all times must reflect a correct current accounting of all cylinders both full and expended.
c. The cylinders are collected and transported by a private or a contract carrier for reconditioning, reuse or disposal.		View