The Official Mexican Standards (Normas Oficiales Mexicanas or NOMs) augment the Mexican Regulation for the Land Transport of Hazardous Materials and Wastes (available by clicking here). The Mexican Secretariat for Communications and Transport (SCT) is responsible for publishing and maintaining the NOMs. In addition, other Mexican government agencies have published standards relevant to the transportation of hazardous materials within Mexico. The Mexican hazmat NOMs are fairly consistent with those of the United Nations Recommendations on the Transport of Dangerous Goods (UN Model Regulations). Since the U.S. Hazardous Materials Regulations are also periodically harmonized with the UN Model Regulations, the requirements of the HMR and of the Mexican NOMs are fairly consistent. However, there are some differences. These differences will continue to be addressed be the Land Transportation Standards Hazardous Materials Working Group (LTSS Group 5) and through amendments and restructuring of the UN Recommendations. A document noting some of these differences and providing guidance relative to importing and exporting hazardous materials from and to Mexico is available by clicking here.

The following table contains a listing of Official Mexican Standards which have been published by the Mexican Secretariat for Communications and Transport for the land transportation of hazardous materials and wastes within Mexico. In some cases, English translations have been provided. The English translations are provided for information only and in some cases may not be up to date. The year has been indicated to assist in identifying which English versions are current. Official Mexican Standards in Spanish may be downloaded from http://www.economia-noms.gob.mx. For detailed instructions on downloading the official versions of the Mexican Standards click here.

Standard	Title/Comments
NOM-002-SCT2/2003 English (2003) Spanish (2003)	List of Hazardous Materials Most Commonly Carried in Transport. Note: The English translation does not include the list of hazardous materials; for the actual list consult the Spanish version.
NOM-003-SCT2/2000 English (1994) Spanish (2000)	Labeling Requirements for Hazardous Materials Packagings Used for the Land Transportation of Hazardous Materials and Wastes.
NOM-004-SCT2/2000 English (1994) Spanish (2000)	Placarding Requirements for Transport Units Engaged in the Land Transportation of Hazardous Materials and Wastes.
NOM-005-SCT2/2000 English (2000) Spanish (2000)	Emergency Response Information for the Land Transportation of Hazardous Materials and Wastes.
NOM-006-SCT2/2000 English (1994) Spanish (2000)	Requirements for the Daily Visual Inspection of Transport Units Involved in the Transportation of Hazardous Materials and Wastes.
NOM-007-SCT2/2002 English (2002) Spanish (2002)	Marking Requirements for Hazardous Material and Waste Packagings (UN Package Markings).
NOM-009-SCT2/2003 English (1994) Spanish (2003)	Compatibility for the Storage and Transportation of Class 1; Explosives.
NOM-010-SCT2/2003 English (1994) Spanish (2003)	Compatibility and Segregation Requirements for the Storage and Transportation of Hazardous Materials and Wastes.
NOM-011-SCT2/2003 English (2003) Spanish (2003)	Limited Quantity exceptions for the Transportation of Hazardous Materials and Wastes.
NOM-019-SCT2/2003 English (1994) Spanish (2003)	General Provisions for Cleaning Transport Vehicles Containing Hazardous Materials or Waste Residues. Note: The 1994 version is the currently effective version. The 2003 version is a draft revision published for public review and comment.
NOM-020-SCT2/1995 English (1995) Spanish (1995)	Requirements for the Construction of Cargo Tank Vehicles Used for the Transportation of Hazardous Materials and Wastes.
NOM-021-SCT2/1994 English (1994) Spanish (1994)	General Requirements for Transporting Goods other than Hazardous Materials and Wastes within Vehicles Designated to the Transportation of Hazardous Materials and Wastes.
NOM-023-SCT2/1994 English (1994) Spanish (1994)	Technical Information that Must Be Indicated on a Plate Affixed to Cargo Tank Trucks, Metal IBCs and Packagings with a Capacity Greater than 500 Liters.
NOM-024-SCT2/2002 English (1994) Spanish (2002)	Requirements for the Construction, Reconditioning and Testing of Hazardous Materials and Waste Packagings.
NOM-025-SCT2/1994 English (1994) Spanish (1994)	Special Requirements for Class 1 (Explosives).
NOM-027-SCT2/1994 English (1994) Spanish (1994)	Requirements for Packaging and Transportation of Division 5.2 (Organic Peroxides).
NOM-028-SCT2/1998 English (1994) Spanish (1998)	Special Requirements for Class 3 (Flammable Liquids).
NOM-029-SCT2/2004 English (1994) Spanish (2004)	Requirements for the Construction Intermediate Bulk Containers (IBCs). Note: The 1994 version is the currently effective version. The 2004 version is a draft revision published for public review and comment, incorporating requirements of the 12th Edition of the UN Model Regulations.
NOM-030-SCT2/1994 English (1994) Spanish (1994)	Requirements for the Construction of Portable Tanks Intended for Multimodal Transport of Refrigerated Liquefied Gases.
NOM-032-SCT2/1997 English (1995) Spanish (1997)	Requirements for the Construction and Portable Tanks Designated for Multimodal Transport of Classes 3, 4, 5, 6, 7, 8 and 9.
NOM-043-SCT2/2003 English (2003) Spanish (2003)	Requirements for the Transport Document Used for the Transportation of Hazardous Materials and Wastes.
NOM-046-SCT2/1998 English (1998) Spanish (1998)	Characteristics and Specifications for the Construction and Reconstruction of Multimodal Tank Containers Destined to Transport Pressurized Non-Refrigerated Liquefied Gases.
NOM-051-SCT2/1995 English (N/A) Spanish (1995) Spanish (2003)	Requirements for Packages Containing Infectious Substances of Division 6.2. Note: The 1995 version is the currently effective version. The 2003 version is a draft revision published for public review and comment, taking into account the requirements of the 12th Edition of the UN Model Regulations.
NOM-057-SCT2/2003 Spanish (2003)	Requirements for the Design and Construction of Cargo Tanks for the Transportation of Compressed Gases, Specification SCT 331.