G/TBT/N/MEX/382  
27 November 2017  
(17-6475) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  Spanish  
 
  
NOTIFICATION  
The following notification is being circulated 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, email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated if different from above:  
Avenida Ejército Nacional No. 223, Piso 16  
Colonia Anáhuac, Código Postal 11320  
Delegación Miguel Hidalgo, Ciudad de México  
Or at the following e mail addresses: galo.galeana@semarnat.gob.mx  or 
guillermo.rafael@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): Steam 
generators using sugar cane bagasse as fuel (national tariff heading 84021999)  
5. Title, number of pages and language(s) of the notified document: Proyecto de 
Norma Oficial Mexicana PROY -NOM-SEMARNAT -170-2017, Contaminación atmosférica – 
Límites máximos permisibles de emisión provenientes de generadores de vapor que 
utilizan bagazo de c aña de azúcar como combustible  (Draft Mexican Official Standard 
PROY -NOM-SEMARNAT -170-2017: Air pollution – Maximum per missible limits for emissions 
from steam generators using sugar cane bagasse as fuel)  (20 pages, in Spanish)  
6. Description of content : The notified Draft Mexican Official Standard is binding on natural 
and legal persons responsible for steam generators, in industry, trade or services, that 
have a nominal thermal capacity equal to or greater than 10 gigajoules per hour (GJ/h) 
and that ge nerate at least 90% of energy using sugar cane bagasse as fuel.  
7. Objective and rationale, including the nature of urgent problems where 
applicable: The notified text establishes the maximum permissible limits for particulate 
matter (PM), carbon monoxide  (CO), sulphur dioxide (SO 2) and nitrogen oxide  (NO x) 
emissions from steam generators using sugar cane bagasse as fuel.  
8. Relevant documents:  
 Norma Oficial Mexicana  NOM-098-SEMARNAT -2002, Protección ambiental – 
Incineración de residuos, especificaciones  de operación y límites de emisión de 
contaminantes  (Mexican Official Standard NOM -098-SEMARNAT -2002: 
Environmental protection – Waste incineration, operating specifications and 
pollutant emission limits), published in the Mexican Official Journal on 
1 October 2004.  
 Norma Oficial Mexicana  NOM-008-SCFI-2002, Sistema General de Unidades de 
Medida  (Mexican Official Standard NOM -008-SCFI-2002: General system of units of 
measurement), published in the Official Journal on 27 November 2002.  G/TBT/N/MEX/382  
- 2 - 
   Norma Mexicana NMX -AA-009-1993-SCFI, Contaminación atmosférica – Fuentes 
fijas – Determinación de flujo de gases en un conducto por medio del Tubo de Pitot 
(Mexican Standard NMX -AA-009-1993-SCFI: Air pollution – Stationary sources – 
Determination of the gas flow in a pipe, using  a pitot tube ) (Repeals Mexican 
Standard NMX -AA-09-1973) . Notice of entry into force published in the Official 
Journal on 27 December 1993.  
 Norma Mexicana  NMX-AA-010-SCFI-2001, Contaminación atmosférica – Fuentes 
fijas – Determinación de la emisión de part ículas contenidas en los gases que  
fluyen por un conducto – Método isocinético  (Mexican Standard NMX -AA-010-SCFI-
2001: Air pollution – Stationary sources – Determination of the emission of 
particles contained i n gases flowing through a pipe – Isokinetic me thod). Notice of 
entry into force published in the Official Journal on 18 April 2001.  
 Norma Mexicana NMX -AA-035-1976, Determinación de bióxido de carbono, 
monóxido de carbono y oxígeno en los gases de combustión  (Mexican Standard 
NMX-AA-035-1976: Determina tion of carbon dioxide, carbon monoxide and oxygen 
in combustion gases). Notice of entry into force published in the Official Journal on 
10 June 1976.  
 Norma Mexicana NMX -AA-054-1978, Contaminación atmosférica – Determinación 
del contenido de humedad en los  gases que fluyen por un conducto – Método 
gravimétrico  (Mexican Standard NMX-AA-054-1978: Air pollution – Determination 
of the moisture content o f gases flowing through a pipe – Gravimetric method). 
Notice of entry into force published in the Official Jou rnal on 2 August 1978.  
 Norma Mexicana NMX -AA-055-SCFI-1979, Contaminación atmosférica - Fuentes 
fijas - Determinación de bióxido de azufre en gases que fluyen por un conducto  
(Mexican Standard NMX -AA-055-SCFI-1979: Air pollution - Stationary sources - 
Determination of sulphur dioxide in gases flowing through a pipe). Notice of entry 
into force published in the Official Journal on 6 September 1979.  
 Norma Mexicana NMX -AA-056-1980, Contaminación atmosférica – Fuentes fijas – 
Determinación de Bióxido de Azufre y Neblinas de Ácido Sulfúrico en los gases que 
Fluyen por un Conducto  (Mexican Standard NMX-AA-056-1980: Air pollution – 
Stationary sources – Determination of sulphur dioxide and sulphuric acid mist in 
gases flowing through a pipe). Notice of entry into fo rce published in the Official 
Journal on 17 June 1980.  
9. Proposed date of adoption: 60 calendar days after publication in the Official Journal on 
17 November 2017.  
Proposed date of entry into force: 60 calendar days after publication in the Official 
Journal.  
10. Final date for comments: 15 January 2018 (60 days after publication in the Official 
Journal on 17 November 2017).  
11. Texts available from: National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available, of other body:  
Secretaría de Economía  (Ministry of the Economy)  
Subsecretaría de Competitividad y Normatividad  (Under -Secretariat of Competitiveness 
and Standardization)  
Dirección General de Normas  (General Directorate of Standards)  
Tel.: (+52) 55 5729 9100, Ext. 43217  
Fax: (+52) 55 5520 9715  
Website: http://www.economia -noms.gob.mx/?P=144  
Email: normasomc@economia.gob.mx  and/or sofia.pacheco@economia.gob.mx  
jose.ramosr@economia.gob.mx  
Text available online at:  
http://www.dof.gob.mx/nota_detalle.php?codigo=5505078&fecha=17/11/2017  
https://members.wto.org/crnattachments/2017/TBT/MEX/17_5259 _00_s.pdf