G/TBT/N/BDI/259 , G/TBT/N/KEN/1288  
G/TBT/N/RWA/694 , G/TBT/N/TZA/813  
G/TBT/N/UGA/1664  
23 September 2022  
(22-7168) Page: 1/4 
Committee on Technical Barriers to Trade  Original:  English  
 
  
  NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  BURUNDI, KENYA, RWANDA, TANZANIA, UGANDA  
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:   
Rwanda Standards Board (RSB)  
KK 15 Rd, 49  
P.O.BOX 7099, Kigali, Rwanda  
Tel: +250 788303492  
Email: info@rsb.gov.rw  
Website: www.rsb.gov.rw  
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 [  ], 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):  Drinking 
water (ICS code(s): 13.060.20)  
5. Title, number of pages and language(s) of the notified document:  DEAS 12: 2022, 
Potable water — Specification  
6. Description of content:  This Draft East African Standard specifies requirements, 
sampling and test methods for potable water intended for direct human consumption, 
domestic and industrial use 
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; Protection of animal or plant 
life or health; Quality requirements; Harmonization; Reducing trade barriers and 
facilitating trade  
8. Relevant documents:   
1. ASTM D 5907 -13, Standard test methods for filterable matter (total dissolved 
solids) and non -filterable matter (total suspended sol ids) in water  
2. ASTM D 3871 -84, Standard test method for purgeable organic compounds in 
water using headspace sampling  
3. EAS 39, Hygiene in the food and drink manufacturing industry — Code of practice  
4. ASTM D 6239 -09, Standard test method for uranium in drinking water by high -
resolution alpha -liquid -scintillation spectrometry  G/TBT/N/BDI/259, G/TBT/N/KEN/1288, G/TBT/N/RWA/694, G/TBT/N/TZA/813, 
G/TBT/N/UGA/1664  
 
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  5. ISO 10301, Water quality ━ Determination of highly volatile halogenated 
hydrocarbons ━ Gas chromatographic methods  
6. ISO 10359, Water quality -- Determination of fluoride  
7. ISO 10523, Wa ter quality -- Determination of pH  
8. ISO 11423, Water quality -- Determination of benzene and some derivatives  
9. ISO 11732, Water quality -- Determination of ammonium nitrogen -- Method by 
flow analysis (CFA and FIA) and spectrometric detection  
10. ISO 11885, Water quality -- Determination of selected elements by inductively 
coupled plasma optical emission spectrometry (ICP -OES) 
11. ISO 11923, Water quality -- Determination of suspended solids by filtration 
through glass -fibre filters  
12. ISO 11969, Water qualit y -- Determination of arsenic -- Atomic absorption 
spectrometric method (hydride technique)  
13. ISO 12020, Water quality -- Determination of aluminium ━ Atomic absorption 
spectrometric methods  
14. ISO 12846, Water quality -- Determination of mercury -- Method usin g atomic 
absorption spectrometry (AAS) with and without enrichment  
15. ISO 28540, Water quality -- Determination of 16 polycyclic aromatic 
hydrocarbons (PAH) in water -- Method using gas chromatography with mass 
spectrometric detection (GC -MS) 
16. ISO 14402, Water quality -- Determination of phenol index by flow analysis (FIA 
and CFA)  
17. ISO 14911, Water quality -- Determination of dissolved Li+, Na+, NH4+, K+, 
Mn2+, Ca2+, Mg2+, Sr2+ and Ba2+ using ion chromatography -- Method for 
water and waste water  
18. ISO 15061, Water  quality -- Determination of dissolved bromate -- Method by 
liquid chromatography of ions  
19. ISO 15089, Water quality -- Guidelines for selective immunoassays for the 
determination of plant treatment and pesticide agents  
20. ISO 15681, Water quality -- Determinat ion of orthophosphate and total 
phosphorus contents by flow analysis (FIA and CFA)  
21. ISO 16265, Water quality -- Determination of the methylene blue active 
substances (MBAS) index -- Method using continuous flow analysis (CFA)  
22. ISO 16266, Water quality -- Detection and enumeration of Pseudomonas 
aeruginosa ━ Method by membrane filtration  
23. ISO 21567, Microbiology of food and animal feeding stuffs ━ Horizontal method 
for the detection of Shigella spp.  
24. ISO 22743, Water quality -- Determination of sulfates -- Metho d by continuous 
flow analysis (CFA)  
25. ISO 5961, Water quality -- Determination of cadmium by atomic absorption 
spectrometry  
26. ISO 6059, Water quality -- Determination of the sum of calcium and magnesium 
-- EDTA titrimetric method  
27. ISO 6222, Water quality -- Enumeration of culturable microorganisms ━ Colony 
count by inoculation in nutrient agar culture media  
28. ISO 6332, Water quality ━ Determination of iron -spectrometric method using 1, 
10-phenanthroline  G/TBT/N/BDI/259, G/TBT/N/KEN/1288, G/TBT/N/RWA/694, G/TBT/N/TZA/813, 
G/TBT/N/UGA/1664  
 
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  29. ISO 6333, Water quality -- Determination of manganese -- Formaldoxime 
spectrometric method  
30. ISO 6340, Water quality ━ Detection and enumeration of Salmonella  
31. ISO 6461 -2, Water quality -- Detection ad enumeration of the spores of sulphite -
reducing anaerobes (clostridia) ━ Part 2: Method by membrane filtration  
32. ISO 6703, Water quality -- Determination of cyanide  
33. ISO 6777, Water quality -- Determination of nitrite -- Molecular absorption 
spectrometric method  
34. ISO 7027 Water quality -- Determination of turbidity  
35. ISO 7393, Water quality -- Determination of free chlorine and total chlorine  
36. ISO 7887, Water quality -- Determination of colour  
37. ISO 7888, Water quality -- Determination of electrical conductivity  
38. ISO 7890 -3, Water quality -- Determination of nitrate -- Part 3: Spectrometric 
method using sulfosalicylic acid  
39. ISO 7899 -2, Water quality ━ Detection and enumeration of intestinal enterococci 
━ Part 2: Membrane filtrat ion method  
40. ISO 7980, Water quality -- Determination of calcium and magnesium -- Atomic 
absorption spectrometric method  
41. ISO 8165, Water quality -- Determination of selected monovalent phenols  
42. ISO 8245, Water quality -- Guidelines for the determination of to tal organic 
carbon (TOC) and dissolved organic carbon (DOC)  
43. ISO 8288, Water quality -- Determination of cobalt, nickel, copper, zinc, cadmium 
and lead -- Flame atomic absorption spectrometric methods  
44. ISO 9174, Water quality -- Determination of chromium -- Atomic absorption 
spectrometric methods  
45. ISO 9297, Water quality -- Determination of chloride ━ Silver nitrate titration 
with chromate indicator (Mohr's method)  
46. ISO 9308 -1, Water quality ---- Detection and enumeration of Escherichia coli and 
coliform bacteria — Part 1: Membrane filtration method for waters with low 
bacterial background flora  
47. ISO 9308 -2, Water quality ---- Detection and enumeration of Escherichia coli and 
coliform bacteria — Part 2: Most probable number method  
48. ISO 9390, Water qual ity -- Determination of borate -- Spectrometric method 
using azomethine -H 
49. ISO 9696, Water quality -- Measurement of gross alpha activity in non -saline 
water -- Thick source method  
50. ISO 9697, Water quality -- Measurement of gross beta activity in non -saline water 
-- Thick source method  
51. ISO 9964, Water quality -- Determination of sodium and potassium  
52. ISO 9965, Water quality -- Determination of selenium -- Atomic absorption 
spectrometric method (hydride technique)  
53. ISO 11731, Water quality – Enumeration of Legio nella 
9. Proposed date of adoption:  To be determined  
Proposed date of entry into force:  To be determined  G/TBT/N/BDI/259, G/TBT/N/KEN/1288, G/TBT/N/RWA/694, G/TBT/N/TZA/813, 
G/TBT/N/UGA/1664  
 
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  10. Final date for comments:  60 days from notification; 60 days after circulation of the 
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:   
Mr. Johnny Uwimana Hassan  
WTO/TBT Enquiry point  
Rwanda Standards Board  
KK 15 Rd, 49  
Kigali  
Tel: Hotline: 3250; +(250) 788636510  
Fax: +(250)788303492  
Email: info@rsb.gov.rw ; johnny.uwimana@rsb.gov.rw  
Website: http://www.rsb.gov.rw  
Mr. James D. TAYEBWA  
WTO Notification Officer  
Ministry of Trade and Industry  
Department of Trade and Investment  
Kigali  
Tel: +(250) 788 636 406  
Email: jtayebwa@minicom.gov.rw ; dyebwa@gmail.co m 
Website: http://www.minicom.gov.rw  
Ms. Beatrice UWUMUKIZA  
Ministry of Agriculture and Animal Resources  
WTO/Plant Health Enquiry Point  
Tel: +(250) 788 84 84 10  
Email: infoinspection@minagri.gov.rw ; buwumukiza@minagri.gov.rw  
Dr. Isidore Gafarasi Mapendo  
Director of Veterinary and Laboratory Services  
Rwanda Agriculture Board (RAB)  
Animal Health Enquiry Point  
Tel: +(250) 788503589  
Email: info@rab.gov.rw ; igafarasi@gmail.com  
Ms. MUKAMUNANA Alphonsine  
Ministry of Health  
Department of Environmental Health Desk  
Tel: +(250) 788673500