G/TBT/N/UGA/1661  
1 September 2022  
(22-6533) Page: 1/3 
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):  - Other 
(HS code(s): 691490); Ceramic products (ICS code(s): 81.060.20)  
5. Title, number of pages  and language(s) of the notified document:  DUS 2662: 
2022, Ceramic water filter — Specification, First Edition; (20 page(s), in English)  
6. Description of content:  This Draft Uganda Standard specifies the requirements, 
sampling and test methods for ceramic  water filter  
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 barriers and facilitating trade  
8. Relevant documents:   
1. ISO 11923, Water quality — Determination of suspended solids by filtration 
through glass -fibre filters  
2. US ISO 10523, Water quality — Determination of pH  
3. US ISO 7887, Water quality — Examination and determination of colour  
4. US ISO 7888, Water quality — Determination of electrical conductivity  G/TBT/N/UGA/1661  
 
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  5. US ISO 7027 –1, Water quality — Determination of turbidity – Part 1: Quantitative 
methods  
6. ISO 9308 -1, Water quality — Enumeration o f Escherichia coli and coliform 
bacteria — Part 1: Membrane filtration method for waters with low bacterial 
background flora  
7. ISO 10359, Water quality - Determination of fluoride  
8. ISO 11969, Water quality - Determination of arsenic - Atomic absorption 
spectr ometric method (hydride technique)  
9. ISO 12846, Water quality - Determination of mercury - Method using atomic 
absorption spectrometry (AAS) with and without enrichment  
10. ISO 15681, Water quality - Determination of orthophosphate and total 
phosphorus contents by flow analysis (FIA and CFA)  
11. ISO 16266, Water quality - Detection and enumeration of Pseudomonas 
aeruginosa ━ Method by membrane filtration  
12. ISO 21567, Microbiology of food and animal feeding stuffs ━ Horizontal method 
for the detection of Shigella spp.  
13. ISO 5961, Water quality -- Determination of cadmium by atomic absorption 
spectrometry  
14. ISO 6222, Water quality -- Enumeration of culturable micr oorganisms ━ Colony 
count by inoculation in nutrient agar culture media  
15. ISO 6333, Water quality -- Determination of manganese -- Formaldoxime 
spectrometric method  
16. ISO 6461, Water quality -- Detection ad enumeration of the spores of sulphite -
reducing anaero bes (clostridia) ━ Method by membrane filtration  
17. ISO 6777, Water quality -- Determination of nitrite -- Molecular absorption 
spectrometric method  
18. ISO 6785, Milk and milk products -- Detection of Salmonella spp.  
19. ISO 6888, Microbiology of food and animal fee ding stuffs ━ Horizontal method 
for the enumeration of coagulass -positive staphylococci (Staphylococcus aureus 
and other species)  
20. ISO 7890, Water quality -- Determination of nitrate -- Part 3: Spectrometric 
method using sulfosalicylic acid  
21. ISO 7899, Water quality -- Detection and enumeration of intestinal anterccocci  
22. ISO 8288, Water quality -- Determination of cobalt, nickel, copper, zinc, cadmium 
and lead -- Flame atomic absorption spectrometric methods  
23. ISO 4832, Microbiology of food and animal feeding stu ffs ━ Horizontal method 
for the enumeration of coliforms ━ Colony -count technique  
24. ASTM D 3866 -18, Standard Test Methods for Silver in Water  
25. IS 7402: 2011, Ceramic water purifier filter candles — specification (Second 
Revision).  
26. IS 2781: 2004 Glossary of te rms relating to ceramicware (second revision)  
27. Justine Rayner (August 2009). Current Practices in Manufacturing of Ceramic Pot 
Filters for Water Treatment  
28. Alemu Lelago Bulta1* and Geremew Arega W. Micheal2 ((2019). Evaluation of 
the efficiency of ceramic fi lters for water treatment in Kambata Tabaro zone, 
southern Ethiopia  G/TBT/N/UGA/1661  
 
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  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 63 29 
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_5930_00_e.pdf