G/TBT/N/MEX/365  
20 July 2017 
(17-3989) 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 : Agencia Nacional de Seguridad Indust rial y de Protección al Medio 
Ambiente del Sector Hidrocarburos  (National Agency for Industrial Safety and 
Environmental Protection in the Hydrocarbon Sector)  
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:  
Carlos Salvador de Regules Ruiz -Funes, Melchor Ocampo 469, Col . Nueva Anzures, 
Delegación Miguel Hidalgo, Ciudad de México, C.P. 11 590, México . Email: 
david.hernandez@asea.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) : 
Anti-pollution equipment, 98.06.00.02  
5. Title, number of pages and language(s) of the notified document : Proyecto de 
Norma Oficial Mexicana PROY -NOM-004-ASEA -2017, Sistemas de recuperaci ón de vapores 
de gasolinas para el control de emisiones en estaciones de servicio para expendio al 
público de gasolinas -Métodos de prueba para determinar la eficiencia, mantenimiento y los 
parámetros para la operación  (Draft Mexican Official Standard PROY -NOM-004-ASEA -2017: 
Gasoline vapour recovery systems in service stations selling gasoline to the public - Test 
methods and parameters for the efficiency, maintenance and operation of such systems), 
(32 pages, in Spanish)  
6. Description of content : The not ified draft Mexican Official Standard applies to all service 
stations selling gasoline to the public , which are located in Mexico.  
7. Objective and rationale, including the nature of urgent problems where 
applicable : To establish the test methods and para meters for the efficiency, maintenance 
and operation of gasoline vapour recovery systems, for emission control at service stations 
selling gasoline to the public.  
8. Relevant documents:  
 CARB TP -201.1E, Leak Rate and Cracking Pressure of Pressure/Vacuum Ve nt Valves, 
8 October 2 003; 
 CARB TP -201.2H, Determination of Hazardous Air Pollutants from Vapor Recovery 
Processors, 1 February 2 001; 
 CARB TP -201.3, Determination of 2 Inch WC Static Pressure Performance of Vapor 
Recovery Systems of Dispensing Facilities, 17 March 1 999; 
 CARB TP -201.3A, Determination of 5 Inch WC Static Pressure Performance of Vapor 
Recovery Systems of Dispensing Facilities, 1 2 April 1 996; G/TBT/N/MEX/365  
- 2 - 
   CARB TP -201.4, Dynamic Back Pressure, 3 July 2 002; 
 CARB TP -201.5, Air to Liquid Volume, 1 February 2 001; 
 NMX-AA-009-1993-SCFI, Contaminación atmosférica - Fuentes fijas - Determinación 
de flujo de gases en un conducto por medio de tubo pitot (Mexican Standard NMX -
AA-009-1993-SCFI, Air pollution - Stationary sources - Determination of the gas flow 
in a pipe,  using a pitot tube);  
 US EPA Method 2, Determination of Gas Velocity and Volumetric Flow Rate (Type S 
Pitot Tube), February 2 000; 
 US EPA Method 2A, Direct Measurement of Gas Volume Through Pipes and Small 
Ducts, February 2 000; 
 US EPA Method 2B, Determinati on of Exhaust Gas Volume Flow rate From Gasoline 
Vapor Incinerators, February 2 000; 
 US EPA Method 3A, Determination of Oxygen and Carbon Dioxide Concentrations in 
Emissions from Stationary Sources (Instrumental Analyzer Procedure) 11/6/08;  
 US EPA Method 6C , Determination of Sulfur Dioxide Emissions From Stationary 
Sources (Instrumental Analyzer Procedure) 11/6/08;  
 US EPA Method 7E, Determination of Nitrogen Oxides Emissions From Stationary 
Sources (Instrumental Analyzer Procedure) 6/2/09;  
 US EPA Method 10, Determination of carbon monoxide emissions from stationary 
sources 8/14/06;  
 US EPA Method 21, Determination of volatile organic compound leaks, February 
2000; 
 US EPA Method 25A, Determination of total gaseous organic concentration using a 
flame ionization analyzer, February 2 000; and 
 US EPA Method 25B, Determination of total gaseous organic concentration using a 
nondispersive infrared  analyzer, February 2 000.  
9. Proposed date of adoption : 120 calendar days after publication in the Official Journal.  
Propos ed date of entry into force : The notified Mexican Official Standard will enter into 
force 120 calendar days after its publication in the Official Journal.  
10. Final date for comments : 60 calendar days after publication in the Official Journal on 
12 July 2 017. 
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. 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=5489918&fecha=12/07/2017  
https://members.wto.org/crnattachments/2017/TBT/MEX/17 _3303_00_s.pdf