G/TBT/N/TZA/159  
 
23 April 2018  
(18-2516) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member: TANZANIA   
If applicable, name of local government involved (Article 3.2  and 7.2):   
2. Agency responsible:  
Tanzania Bureau of Standards  
MOROGORO/Sam Nujoma Road, Ubungo  
P.O BOX 9524  
Tel: +255 222450206  
Email: info@tbs.go.tz   
Website: www.tbs.go.tz  
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:   
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): Gas and 
steam turbi nes. Steam engines (ICS 27.040) . 
5. Title, number of pages and language(s) of the notified document: CDC 09 (5661) 
P2 Specification for General Purpose Natural Gas (23 page(s), in English)   
6. Description of content: This Draft Tanzania Standard prescribes requirements, methods 
of sampling and testing, calculation and interchangeability indices of natural gas for 
general purpose use.  
The specification applies to natural gas  
a) from petroleum, landfill, biogas, coal seam and other sources where these sources 
provide gas for direct or blended supply on a commercial basis through supply systems 
serving general purpose customers;  
b) transported and supplied to users for use in natural gas appliances and equipment 
complying with the relevant Standards. This includes natural gas -powered vehicles, n atural 
gas compressors and refuelling facilities.  
7. Objective and rationale, including the nature of urgent problems where 
applicable: Consumer information, labelling; Quality requirements  
8. Relevant documents:   
 Tanzania Government Gazette.  
 CDC 09 (5663)/ISO 15403 P3, Natural gas — Designation of the quality of natural 
gas as a compressed fuel for vehicles.  G/TBT/N/TZA/159  
 
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   CDC 09 (5675)/ISO 6326 -5 P3, Natural gas – Determination of sulfur compounds – 
Part 5: Lingener combustion method.  
 CDC 09 (5676)/ISO 6327 P3, Ga s analysis – Determination of the water dew point of 
natural gas – Cooled surface condensation hygrometers.  
 CDC 09 (5677)/ISO 6974 -3 P3, Natural gas – Determination of composition with 
defined uncertainty by gas chromatography – Part 3: Determination of hy drogen, 
helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two 
packed columns.  
 CDC 09 (5678)/ISO 6976 P3, Natural gas — Calculation of calorific values, density, 
relative density and Wobbe Index from composition.  
 CDC 09 (5679)/ISO 101 01 P3, Natural gas — Determination of water by the Karl 
Fischer method – Part 2: Titration procedure.  
 CDC 09 (5680)/ISO 10101 P3, Natural gas — Determination of water by the Karl 
Fischer method - Part 3: Coulometric procedure.  
 CDC 09 (5681)/ISO 10715 P3, N atural Gas – Sampling Guidelines.  
 CDC 09 (5682)/ISO 23874:2006 P3, Natural gas – Gas chromatographic 
requirements for hydrocarbon dewpoint calculation.  
 CDC 09 (5683)/ISO 19739:2004 P3, Natural gas - Determination of sulfur 
compounds using gas chromatograph y. 
 TZS 4 , Rounding off numerical values.  
9. Proposed date of adoption:  September 2018  
Proposed date of entry into force: Upon declaration as a mandatory by the Minister for 
Industry, Trade and Investment   
10. Final date for comments: 60 days from notification  
11. Texts available from: National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available, of other body:   
Tanzania Bureau of Standards  
MOROGORO/Sam Nujoma Road, Ubungo  
P.O BOX 9524  
Tel: +255 222450206  
Email: info@tbs.go.tz  
Website: www.tbs.go.tz  
https://members.wto.org/crnat tachments/2018/TBT/TZA/18_2117_00_e.pdf