G/TBT/N/MEX/328  
13 October  2016 
(16-5545) Page: 1/3 
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 Recurs os 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 indi cated if different from above:  
Dirección General de Energía y Actividades Extractivas  (Directorate -General for Energy and 
Extractive Activities)  
Av. Ejército Nacional No. 223, Piso 16  
Col. Anáhuac, Del . Miguel Hidalgo  
Código Postal 11320, Ciudad de México  
Email: galo.galeana@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) : 
Petrochemicals (headings 27.01 to 2901.10)  
5. Title, number of pages and language(s) of the notified document : Proyecto de 
Norma Oficial Mexicana PROY -NOM-168-SEMARNAT -ASEA -2016, Niveles máximos 
permisibles de emisión provenientes de turbinas de gas, a ciclo abierto o ciclo combinado, 
aeroderivadas y su medición  (Draft Mexican Official Standard PROY -NOM-168-SEMARNAT -
ASEA -2016: Maximum permissible levels for emissions from aeroderivative open -cycle or  
combined -cycle gas turbines, and the measurement thereof) (22 pages, in Spanish)  
6. Description of content : The notified text is binding on natural and legal persons 
responsible for new or existing gas turbines, and systems comprising two or more gas 
turbines, with an overall nominal power rating exceeding 0.5 MW, which are powered by 
gaseous or liquid fuel and used in industry, commerce and services.  
It does not cover the following : gas turbines with a nominal power rating of less than 
0.5 MW for electri city generation ; existing gas turbines with a nominal power rating not 
exceeding 10 MW for generating mechanical power ; gas turbines used during emergencies 
or disasters ; back-up turbines ; existing turbines used on off -shore platforms ; and existing 
turbine s used in systems isolated from the national power grid.  
7. Objective and rationale, including the nature of urgent problems where 
applicable : To establish the maximum permissible levels for emissions of nitrogen oxides, 
sulphur dioxide and total particl es from stationary gas turbines operating in open -cycle, 
combined -cycle or cogeneration mode and powered by gaseous or liquid fuel.  G/TBT/N/MEX/328  
- 2 - 
  8. Relevant documents:  
 NOM-001-SECRE -2010, Especificaciones del gas natural  (Mexican Official Standard 
NOM-001-SECRE -2010: Specifications for natural gas), published in the Mexican 
Official Journal on 1 9 March 2 010. 
 NOM-098-SEMARNAT -2002, Protección ambiental - Incineración de residuos, 
especificaciones de operación y límites de emisión de contaminantes  (Mexican 
Official Stan dard NOM -098-SEMARNAT -2002: Environmental protection - Waste 
incineration, operating specifications and pollutant emission limits), published in the 
Mexican Official Journal on 1 October 2 004. 
 NMX-AA-009-1993-SCFI, Contaminación atmosférica - Fuentes fijas  - Determinación 
de flujo de gases en un conducto por medio de 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) . Notice of entry into force published in the 
Mexican Official Journal on 2 7 December 1 993. 
 NMX-AA-010-SCFI-2001, Contaminación atmosférica - Fuentes fijas - Determinación 
de la emisión de partículas 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 in gases 
flowing through a pipe - Isokinetic method), published in the Mexican Official Journal 
on 18 April 2 001. 
 NMX-AA-035-1976, Determinación de bióx ido de carbono, monóxido de carbono y 
oxígeno en los gases de combustión  (Mexican Standard NMX -AA-035-1976: 
Determination of carbon dioxide, carbon monoxide and oxygen in combustion 
gases), published in the Mexican Official Journal on 1 0 June 1 976. 
 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 
of gases flowing through a p ipe - Gravimetric method) . Notice of entry into force 
published in the Mexican Official Journal on 2 August 1 978. 
 NMX-AA-055-SCFI-1979, Contaminación atmosférica - Fuentes fijas - Determinación 
de bióxido de azufre en gases que fluyen por un conducto  (Mexi can Standard NMX -
AA-055-SCFI-1979: Air pollution - Stationary sources - Determination of sulphur 
dioxide in gases flowing through a pipe), published in the Mexican Official Journal on 
6 September 1 979. 
 NMX-AA-056-1980, Contaminación atmosférica - Fuentes f ijas - Determinación de 
bióxido de azufre, trióxido 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, sulphur trioxide a nd sulphuric 
acid mist in gases flowing through a pipe), published in the Mexican Official Journal 
on 17 June 1 980. 
9. Proposed date of adoption : The notified draft Mexican Official Standard will be adopted 
upon its publication in the Official Journal as a final Mexican Official Standard.  
Proposed date of entry into force : The notified Mexican Official Standard will enter into 
force 60 calendar days after its publication in the Official Journal.  
10. Final date for comments : 60 calendar days after publicat ion in the Official Journal 
(5 October 2 016).  G/TBT/N/MEX/328  
- 3 - 
  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  
Subsecretaría de Competitividad y  Normatividad  
Dirección General de Normas  
Tel.: (+52) 55 5729 9100, Ext. 43244  
Fax: (+52) 55 5520 9715  
Email: normasomc@economia.gob.mx  and/or sofia.pacheco@ economia.gob.mx  
Website: http://www.economia.gob.mx/comunidad -negocios/normalizacion/catalogo -
mexicano -de-normas  
Available online at: 
http://www.dof.gob.mx/nota_detalle.php?codigo=5455728&fecha=05/10/2016  
https://members.wto.org/crnattachm ents/2016/TBT/MEX/16_4317_00_s.pdf