G/TBT/N/RWA/903  
27 July 2023  
(23-5109) 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:  RWANDA  
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:  DRS 564: 2023, 
Ambient water — Specification; (19 page(s), in English)  
6. Description of content:  This Draft Rwanda Standard specifies requirements, sampling 
and test methods for ambient water.  
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 the 
environment; Quality requirements; Reducing trade barriers and facilitating trade  
8. Relevant documents:   
1. RS ISO 7887, Water quality — Examination and determination of colour  
2. RS ISO 7888, Water quality — Determination of electrical conductivity  
3. RS ISO 7027 -1, Water quality — Determination of turbidity — Part 1: Quantitative 
methods  
4. RS ISO 11923, Water quality — Determination of suspended solids by filtration 
through glass -fibre filters  
5. RS ISO 6059, Water quality — Determination of the sum of calcium and 
magnesium — EDTA titrimetric method  G/TBT/N/RWA/903  
 
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  6. RS ISO 10523, Water quality — Determination of pH  
7. ISO 5814, Water quality — Determination of dissolved oxygen — Electrochemical 
probe method  
8. RS ISO 5815 -2, Water quality — Determination of biochemical oxygen demand 
after n days (BODn) — Part 2: Method for undiluted samples  
9. RS ISO 6060, Water quality — Determination of the chemical oxygen demand  
10. RS ISO 10304 -1, Water quality — Determination of dissolved anions by liquid 
chromatography of ions — Part 1: Determination of bromide, chloride, fluoride, 
nitrate, n itrite, phosphate and sulfate  
11. RS ISO 11732, Water quality — Determination of ammonium nitrogen — Method 
by flow analysis (CFA and FIA) and spectrometric detection  
12. ISO 15681 -1, Water quality — Determination of orthophosphate and total 
phosphorus contents by  flow analysis (FIA and CFA) — Part 1: Method by flow 
injection analysis (FIA)  
13. RS ISO 15681 -2, Water quality — Determination of orthophosphate and total 
phosphorus contents by flow analysis (FIA and CFA) — Part 2: Method by 
continuous flow analysis (CFA)  
9. Proposed date of adoption:  To be determined  
Proposed date of entry into force:  6 months from adoption  
10. Final date for comments:  30 days from notification; 30 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:   
Rwanda Standards Board (RSB)  
KK 15 Rd, 49  
Toll Free: 3250  
Tel: +250 788303492  
Email: info@rsb.gov.rw  
Website: www.rsb.gov.rw  
P.O.BOX 7099, Kigali, Rwanda  
https://members.wto.org/crnattachments/2023/TBT/RWA/23_11301_00_e.pdf