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Code of Federal Regulations

Subpart F

Placarding

172.500Applicability of placarding requirements.172.502Prohibited and permissive placarding.172.503Identification number display on placards.172.504General placarding requirements.172.505Placarding for subsidiary hazards.172.506Providing and affixing placards: Highway.172.507Special placarding provisions: Highway.172.508Placarding and affixing placards: Rail.172.510Special placarding provisions: Rail.172.512Freight containers and aircraft unit load devices.172.514Bulk packagings.172.516Visibility and display of placards.172.519General specifications for placards.172.521DANGEROUS placard.172.522EXPLOSIVES 1.1, EXPLOSIVES 1.2 and EXPLOSIVES 1.3 placards.172.523EXPLOSIVES 1.4 placard.172.524EXPLOSIVES 1.5 placard.172.525EXPLOSIVES 1.6 placard.172.526[Reserved]172.527Background requirements for certain placards.172.528NON-FLAMMABLE GAS placard.172.530OXYGEN placard.172.532FLAMMABLE GAS placard.172.536[Reserved]172.540POISON GAS placard.172.542FLAMMABLE placard.172.544COMBUSTIBLE placard.172.546FLAMMABLE SOLID placard.172.547SPONTANEOUSLY COMBUSTIBLE placard.172.548DANGEROUS WHEN WET placard.172.550OXIDIZER placard.172.552ORGANIC PEROXIDE placard.172.553[Reserved]172.554POISON placard.172.555POISON INHALATION HAZARD placard.172.556RADIOACTIVE placard.172.558CORROSIVE placard.172.560CLASS 9 placard.