. /.WORLD TRADE
ORGANIZATIONG/TBT/N/SLV/26
10 October 2003
(03-5356)
Committee on Technical Barriers to Trade Original: Spanish
NOTIFICATION
The following notification is being circulated in accordance with Article 10.6:
1. Member to Agreement notifying:  EL SALVADOR
If applicable, name of local government involved (Articles 3.2 and 7.2):           
2. Agency responsible: National Science and Technology Council (CONACYT)
Name and address (including telephone and fax numbers and E-mail and Web site
addresses, if available) of the agency or  authority designated to handle comments
regarding the notification if different from above:
Ministerio de Economía
Dirección de Administración de Tratados Comerciales
Alameda Juan Pablo II y Calle GuadalupePlan Maestro – San Salvador
Tel:  (503) 231 5788
Fax:  (503) 231 5789
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):  Equipment for
measuring pollutant emissions from motor vehicles (ICS 17.040.30)
5. Title, number of pages and language(s) of the notified document:  Salvadorian Official
Standard NSO-17.08.08:03 – Equipment for Measuring Pollutant Emissions from Motor
Vehicles – Specifications and Calibration Procedures. (13 pages, in Spanish)
6. Description of content:   This Standard contains the following: objective, scope,
definitions, abbreviations and symbols, testing methods, specifications for gas measuring
equipment, specifications for smoke measuring equipment, gas analyser calibration,opacimeter calibration, appendix and monitoring and verification.  It establishes the main
characteristics, the calibration procedures, and the frequency of these procedures, which
must be adhered to, so as to ensure the reliability of results, by equipment that is used to
verify the permissible limits for emissions of air pollutants from motor vehicles running on
petrol, diesel or other fuels.
7. Objective and rationale, including the na ture of urgent problems where applicable:
Protection of human health.G/TBT/N/SLV/26
Page 2
8. Relevant documents:  The following  Mexican Official Standards:
- NOM-047-ECOL-1999 – Mexico 1999.  This Standard establishes the
characteristics of the measuring equipment used to verify the limits of pollutant
emissions from motor vehicles running on petrol, liquified petroleum gas, natural
gas or other fuels.
- NOM-077-ECOL-1995 – Mexico 1999.  This Standard establishes the measuring
procedure for verifying the opacity levels of smoke in exhaust emissions from
motor vehicles running on diesel.
- NOM-049-ECOL-1993 – Mexico 1993.  This Standard establishes the
characteristics of the equipment and the measuring procedure used to verify the
levels of pollutant gas emissions from motorcycles running on petrol or a mixture of
petrol and oil.
9. Proposed date of adoption:  60 days from the date of notification
Proposed date of entry into force:  6 months from the date of adoption
10. Final date for comments :  60 days from the date of notification
11. Texts available from:
Ministerio de Economía
Dirección de Administración de Tratados Comerciales
Alameda Juan Pablo II y Calle Guadalupe
Plan Maestro – San Salvador
Tel:  (503) 231 5788
Fax:  (503) 231 5789
E-mail:  ezelada@minec.gob.sv
National enquiry point [   ] or address, telephone and fax numbers and E-mail and
Web site addresses, if available, of another body: 
Consejo Nacional de Ciencia y Tecnología (CONACYT)
Colonia Médica
Avenida Dr. Emilio Alvarez, Pasaje Dr. Guillermo Rodríguez Pacas, # 51
Tel:  (503) 226 2800
Fax:  (503) 225 6255
Website:  www.conacyt.gob.sv