. /.   WORLD TRADE  
ORGANIZATION  G/TBT/N/MEX/201 
17 September 2010 
 (10-4697) 
Committee on Technical Barriers to Trade Original:   Spanish 
  
 
NOTIFICATION 
 
The following notification is being circ ulated in accordance with Article 10.6. 
 
1. Member to Agreement notifying:  MEXICO
 
If applicable, name of local government involved (Articles 3.2 and 7.2):  
2. Agency responsible:   Secretaría de Energía  (Ministry of Energy) 
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 Normal ización en Materia de Hidrocarburos  
(National Advisory Committee on Standardization in the Field of Hydrocarbons) 
Avenida de los Insurgentes Sur número 890, piso 4 Colonia Del Valle Delegación Benito Juárez 
03100, México, D.F. 
Tel.: 5000 6000, Ext. 1130 Fax: 5000 6253 E-mail: csotelo@energia.gob.mx,
 mmendoza@energia.gob.mx,  
 iposadas@energia.gob.mx,  mahorta@energia.gob.mx  
Website: http://www.sener.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):   Non-portable liquefied 
petroleum gas (LPG) containers (ICS:  23) 
5. Title, number of pages and lang uage(s) of the notified document:  
PROY-NOM-009-SESH-2010, Recipientes para contener Gas L.P., tipo no transportable.  
Especificaciones y métodos de prueba (Draft Mexican Official Standard 
PROY-NOM-009-SESH-2010:  Non-portable liquefi ed petroleum gas (LPG) containers.  
Specifications and test methods) (45 pages, in Spanish) 
6. Description of content:   The LPG containers referred to in this draft Mexican Official 
Standard are classed as one of the following types, depending on their use and size:  
Type A: Containers with a nominal water cap acity of between 5,000 and 455,000 litres, to 
be installed outdoors at storage plants, LPG filling stations and LPG installations.  Where such containers are spherical, their maximum water capacity shall be 378,000 litres.  G/TBT/N/MEX/201 
Page 2  
 
   Type B: Containers installed outdoors at LPG installations and LPG filling stations.  
Type B containers are divided into the following two categories:   
 Type B1, with a nominal water capac ity of between 100 and 1,000 litres;  and 
Type B2, with a nominal water capac ity of between 1,000 and 5,000 litres. 
Type C: Containers with a maximum capacity of 300 litres, used as fuel tanks for 
LPG-powered internal combustion engines.  Type C containers are divided into 
the following categories: 
Type C1: Control and safety fittings a ttached to the body of the container. 
Type C2: Control and safety fittings attached to any of the container heads. Type C3: Control and safety fittings att ached to both the body and any of the 
container heads. 
Type D: Containers with a maximum water ca pacity of 55,000 litres, used to transport 
LPG by road tanker, trailer or semi-trailer. 
Type E: Spherical containers for ambient temperature, with a water capacity exceeding 
378,000 litres. 
7. Objective and rationale, including the nature of urgent problems where applicable:  
The notified text sets forth the design and manufacturing specifications for non-portable 
pressurized LPG containers, not exposed to artif icial heating, intended for use at storage 
plants, LPG filling stations and LPG installa tions, as fuel tanks for internal combustion 
engines, and in the transport of LPG by road tanke r, trailer or semi-trailer.  The text also lays 
down specifications relating to safety and t est methods, and the relevant conformity 
assessment procedure. 
8. Relevant documents:  Diario Oficial de la Federación  (Official Journal) of 31 August 
2010.  Available at:  http://www.dof.gob.mx/  
9. Proposed date of adoption: 
Proposed date of entry into force:  Upon publication as a Mexican Official 
Standard in the Official Journal. 
180 calendar days after publication in the 
Official Journal. 
10. Final date for comments:   29 October 2010 
11. Texts available from:  National enquiry  point [X] or address, telephone and fax 
numbers, 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 E-mail: normasomc@economia.gob.mx
 and/or jesus.figueroa@economia.gob.mx  
Website: http://www.economia.gob.mx/swb/es/economia/p_Catalogo_Mexicano_Normas  
Text available online at: 
http://members.wto.org/crnattach ments/2010/tbt/mex/10_3375_00_s.pdf