G/TBT/N/UGA/1717  
12 December 2022  
(22-9253) 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 [X], 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):  Limestone 
flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or  
cement (HS code(s): 2521); Cement. Gypsum. Lime. Mortar (ICS code(s): 91.100.10)  
5. Title, number of pages and language(s) of the notified document:  DUS 289: 2022, 
Limestone for Industrial use — Specification, Second edition; (26 page(s), in English)  
6. Description of content:  This Draft Uganda standard specifies the requirements, test 
methods and sampling of limestone for industrial use. This Draft Uganda Standard does 
not cover limestone for building, agricultural, metallurgical, glass and ceramic indu stries. 
Physical requirements, such as specific gravity, porosity, compressive strength and size 
of stone are not included in this Draft Uganda Standard, as these requirements will depend 
on, amongst others, the types of kilns used for burning limestone.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Consumer information, labelling; Prevention of deceptive practices and 
consumer protection; Protection of human health or safety; Quality requirements; 
Reducing trade ba rriers and facilitating trade  
8. Relevant documents:   
1. IS 574:1970, glassy sodium metaphosphate — specification  
2. IS 3204:1974, Specification for limestone for chemical industry — specification  G/TBT/N/UGA/1717  
 
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  3. IS 1760:1962, Methods of chemical analysis of limestone, dolomite and allied 
materials.  
4. IS 2109:1962, Methods of sampling dolomite, limestone and other allied materials  
5. US EAS 73, Building limes (quicklime and hydrated lime) — Specification  
6. US 289: 2001, Specification for Limestone for chemical indust ries 
9. Proposed date of adoption:  To be determined  
Proposed date of entry into force:  To be determined  
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  
https://members.wto.org/crnattachments/2022/TBT/UGA/22_8520_00_e.pdf