. /.WORLD TRADE
ORGANIZATIONG/TBT/N/BRA/109
11 April 2003
(03-2018)
Committee on Technical Barriers to Trade Original:  English
NOTIFICATION
The following notification is being circulated in accordance with Article 10.6.
1. Member to Agreement notifying:   BRAZIL
If applicable, name of local government involved (Articles 3.2 and 7.2):           
2. Agency responsible:   National Institute of Metrology, Standardisation and Industrial
Quality-INMETRO
Telephone: +(55) 21 2563.2824
Telefax: +(55) 21 2502.6542
Email: barreirastecnicas@inmetro.gov.br
Web-site: www.inmetro.gov.br/barreirastecnicas
Name and address (including telephone and fax numbers, e-mail and web-site
addresses, if available) of  agency or authority designated to handle comments
regarding the notification shall be indicated if different from above:           
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.
CS numbers may be provided in addition, where applicable):   Gaseous fuel
measurement systems (HS: 90.26, 90.28, 90.32)
5. Title, number of pages and language(s) of the notified document:   Ministerial
Act number 61, March 27th 2003 and Draft Technical Regulation (Portaria  no. 61 de 27 de
março de 2003), issued by Inmetro, on the technical and metrological requirements for
gaseous fuel measurement systems. (20 pages, in Portuguese).
6. Description of content:   This Draft Technical Regulation lays down technical and
metrological requirements for gaseous fuel measurement systems. It applies to systems
operating at maximum flows not lower than 100m3/h and at absolute pressures not lower
than 200 kPa (2 bar).
It does not apply to those systems equipped with diaphragm gas meters and to systems
employed with vehicular natural gas.
7. Objective and rationale, including the na ture of urgent problems where applicable:
Consumer safety.
8. Relevant documents:   ISO 12213 – Natural gas calculations of compression factor;
ISO 6976 (1995) – Natural gas – calculation of calorific values, density, relative density and
Wobbe index from composition; ISO 10715 (1995) – Natural gas – sample guidelines,
ch. 6-7; ISO  61.42 – Natural gas – preparation of calibration gas mixtures – gravimetric
methods; ISO 61.43 – Gas analysis – checking of calibration gas mixtures by a comparisonG/TBT/N/BRA/109
Page 2
method;  ISO 61.41 (06/97) – Gas analysis – re quirements for certificates for calibrations
gases and gas mixtures; ISO 65.51 – Petroleum liquids and gases – fidelity and security of
dynamic measurement calibrated transmissions of electric and/or electric pulsed;
NBR ISO 10012 – Quality Assurance Requirements for Measurement Equipment
(Requisitos de Garantia de Qualidade para Equipamentos de Medição).
For a complete list of relevant documents, please refer to the full text of the draft technical
regulation.
9. Proposed date of adoption:
Proposed date of entry into force: }Not stated
10. Final date for comments:   31 May 2003
11. Texts available from:  National enquiry point [ X] or address, telephone and fax
numbers, e-mail and web-site addresses, if available of the other body:
http://www.inmetro.gov.br/barreirastecnicas/pontofocal/buscaNotificacao.asp