. /.  WORLD TRADE  
ORGANIZATION   
G/TBT/N/MEX/222 
7 December 2011 
 (11-6362) 
Committee on Technical Barriers to Trade Original: Spanish 
  
 
NOTIFICATION 
 
The following notification is being circ ulated in accordance with Article 10.6. 
 
1. Notifying Member:   MEXICO 
If applicable, name of local government involved (Articles 3.2 and 7.2):   
2. Agency responsible:   Secretaría de Medio Ambiente y Recursos Naturales  (Ministry of the 
Environment and Natural Resources) 
Name and address (including telephone and fax numbers and e-mail and website 
addresses, if available) of  agency or authority designated to handle comments 
regarding the notification shall be  indicated if different from above:  
Comité Consultivo Nacional de Normalizaci ón de Medio Ambiente y Recursos Naturales  
(National Advisory Committee on Standardi zation for the Environment and Natural 
Resources) Blvr. Adolfo Ruiz Cortines número 4209, 5o. piso, Ala "B" Colonia Jardines en la Montaña, Delegación Tlalpan 
México, D.F., código postal 14210 
E-mail: sylvia.trevino@semarnat.gob.mx  
Website: http://www.semarnat.gob.mx/  
3. Notified under Article 2.9.2 [X], 2.10 .1 [ ], 5.6.2 [ ], 5.7.1 [ ], other:   
4. Products covered (HS or CCCN where applicable, otherwise national tariff heading.  
ICS numbers may be provided in addition, where applicable):   Hydrocarbons 
(International Classification for Standards (ICS) code 75.080) 
5. Title, number of pages and lang uage(s) of the notified document:   Proyecto de 
Modificación a la NOM-076-SEMARNAT-1995,  Que establece lo s niveles máximos 
permisibles de emisión de hidrocarburos no quemados, monóxido de carbono y óxidos de 
nitrógeno provenientes del escape, así como de  hidrocarburos evapora tivos provenientes 
del sistema de combustible, que usan gasolina, gas licuado de petróleo, gas natural y otros 
combustibles alternos y que se utilizarán para la propulsión de vehículos automotores con 
peso bruto vehicular mayor de 3,857 kilogramos nuevos en planta  (Draft Amendment to 
Mexican Official Standard NOM-076-SEMARNAT-1995 Establishing the maximum permissible limits for the emission of unburned hydrocarbons, carbon monoxide and 
nitrogen oxides from exhaust pipes and for evaporative hydrocarbons from fuel systems using gasoline, liquefied petroleum gas, natura l gas and other alternative fuels and intended 
for the propulsion of new motor vehicles of a gross vehicle weight exceeding 3,857 kg) 
(7 pages, in Spanish) G/TBT/N/MEX/222 
Page 2  
 
  6. Description of content:   The notified Standard is binding upon the manufacturers, 
importers and assemblers of new engines intende d for the propulsion of motor vehicles of a 
gross vehicle weight exceeding 3,857 kg and using gasoline, liquefied petroleum gas, 
natural gas and other alternative fuels and of new units equipped with this type of engine. 
7. Objective and rationale, including the nature of urgent problems where applicable:  
The notified Standard establishes the maximum permissible limits for emissions of 
hydrocarbons (HC), non-methane hydrocarbons  (NMHC), carbon monoxide (CO), nitrogen 
oxides (NOx) and non-methane hydrocarbons plus nitrogen oxides (NMHC+NOx) from the 
exhaust pipes of new engines using gasoline, li quefied petroleum gas, natural gas and other 
alternative fuels and intended for the propulsi on of motor vehicles and new units equipped 
with this type of engine of a gross vehicle weight exceeding 3,857 kg.  The Standard also 
establishes the maximum permissible limits for emissions of evaporative hydrocarbons from the fuel systems of such vehicles. 
8. Relevant documents:   -  
9. Proposed date of adoption: 
Proposed date of entry into force:  Not applicable 
60 calendar days after publication as a final 
Standard in the Official Journal. 
10. Final date for comments:   28 November 2011 
11. Texts available from:  National enquiry  point [X] or address, telephone and fax 
numbers and e-mail and website addresses, if available, of other body: 
Secretaría de Economía 
Subsecretaría de Competitividad y Normatividad 
Dirección General de Normas Tel.: (+52) 55 5729-9100, Ext. 43217 Fax: (+52) 55 5520-9715 Website: http://www.economia.gob.mx/swb/ es/economia/p_Catalogo_Mexicano_Normas 
E-mail: normasomc@economia.gob.mx  and/or jesus.figueroa@economia.gob.mx  
Text available online at: 
http://dof.gob.mx/index.php? year=2011&month=09&day=28  
http://members.wto.org/crnattach ments/2011/tbt/MEX/11_4114_00_s.pdf