Dangerous goods

Proyecto de Norma Oficial Mexicana PROY-NOM-003-SCT-SEMAR-ARTF-2021, Marcado y etiquetado de bultos que contienen mercancías peligrosas. Rotulación (carteles) y marcado de las unidades de transporte y contenedores para graneles que transportan mercancías peligrosas (Draft Mexican Official Standard PROY-NOM-003-SCT-SEMAR-ARTF-2021, Marking and labelling of packages containing dangerous goods. Placarding and marking of transport units and bulk containers used to transport dangerous goods) (41 pages, in Spanish)

The notified Mexican Official Standard specifies the characteristics, dimensions, symbols and colours for the marking, labelling and placarding to be borne by packages, transport units, intermediate bulk containers and bulk containers, tanker trucks and other road and rail transport units in order to identify the hazard class to which the dangerous goods being handled and transported belong.