G/TBT/N/UGA/1644  
1 July 2022  
(22-5114) 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:  UGANDA  
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:   
Uganda National Bureau of Standards  
Plot 2 -12 ByPass Link, Bweyogerere Industrial and Business Park  
P.O. Box 6329  
Kampala, Uganda  
Tel: +(256) 4 1733 3250/1/2  
Fax: +(256) 4 1428 6123  
E-mail: info@unbs.go.ug  
Website: https://www.unbs.go.ug  
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 [  ], 2.10.1 [  ], 5.6.2 [X], 5.7.1 [  ], 3.2 [  ], 7.2 [  ], 
other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Petroleum 
gases and other gaseous hydrocarbons. (HS code(s): 2711); Fuels (ICS code(s): 75.160), 
Natural Gas, Gaseous Fuels  
5. Title, number of pages and language(s) of the notified document:  DUS 2530:2022, 
Standard Test Method for Determination of Sulfur Compounds in Natural Gas and Gaseous 
Fuels by Gas Chromatography and Flame Photometric Detection,  First Edition; (19 
page(s), in English)  
6. Description of content:  This Draft Uganda Standard covers the determination of 
individual volatile sulfur -containing compounds in gaseous fuels by gas chromatography 
(GC) with a flame photometric detector (FPD) or a pulsed flame photometric detector 
(PFPD). The detection range for sulfur compounds is from 20 to 20  000 picograms (pg) of 
sulfur. This is equivalent to 0.02 to 20 mg/m3 or 0.014 to 14 ppmv of sulfur based upon 
the analysis of a 1  mL sample.  
This test method describes a GC method using capillary column chromatography with 
either an FPD or PFPD. This test method does not intend to identify all individual sulfur 
species. Total sulfur content of samples can be estimated from the total of the individua l 
compounds determined. Unknown compounds are calculated as monosulfur -containing 
compounds.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Prevention of deceptive practices and consumer protection; Quality 
requireme nts G/TBT/N/UGA/1644  
 
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  8. Relevant documents:   
1. ASTM D1945  
2. ASTM D3609  
3. ASTM D446  
4. ASTM D4626  
5. ASTM D5287  
6. ASTM D5504  
7. ASTM E840  
8. EPA–15 Determination of Hydrogen Sulfide, Carbonyl Sulfide and Carbon Disulfide 
Emissions from Stationary Sources, 40 CFR, Chapter 1, Part 60, Appendix A  
9. EPA–16 Semicontinuous Determination of Sulfur Emissions from Stationary 
Sources, 40 CFR, Chapter 1, Part 60, Appendix A  
9. Proposed date of adoption:  To be determined  
Proposed date of entry into force:  Not applicable.  
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:   
Uganda National Bureau of Standards  
Plot 2 -12 ByPass Link, Bweyogerere Industrial and Business Park  
P.O. Box 6329  
Kampala, Uganda  
Tel: +(256) 4 1733 3250/1/2  
Fax: +(256) 4 1428 6123  
E-mail: info@unbs.go.ug  
Website: https://www.unbs.go.ug