G/TBT/N/RWA/180  
 
24 July 2018  
(18-4647) 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)  
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:   
Rwanda Standards Board  
KK 15 Rd, 49  
P.O.BOX 7099, Kigali, Rwanda  
Tel: +250 788303492  
Email: info@rsb.gov.rw   
Website: www.rsb.gov.rw   
3. Notified under Article 2.9.2 [ X], 2.10.1 [   ], 5.6.2 [   ], 5.7.1 [   ], other:  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable): Chemicals 
for purification of water (ICS 71.100.80).  
5. Title, number of pages and language(s) of the notified document: CD 353 -4: 2018 
Water quality - Chemicals used for treatment of water intended for human consumption - 
Part 4: Sodium Chloride (21 page(s), in English)    
6. Descrip tion of content: This Committee Draft Rwanda Standard is applicable to sodium 
chloride intended for onsite electrochlorination of water intended for human consumption It 
describes the characteristics and specifies the requirements and the corresponding tes t 
methods for sodium chloride. It also gives information on its use in water treatment.  
7. Objective and rationale, including the nature of urgent problems where 
applicable: Protection of human health or safety; Quality requirements  
8. Relevant documents:   
• ISO 3696, Water for analytical laboratory use - Specification and test methods 
(ISO 3696)  
• ISO 2479, Sodium chloride for industrial use - Determination of matter insoluble in 
water or in acid and preparation of principal solutions for other dete rminations  
• ISO 2480, Sodium chloride for industrial use - Determination of sulphate content - 
Barium sulphate gravimetric method  
• ISO 2482, Sodium chloride for industrial use - Determination of calcium and 
magnesium contents - EDTA complexometric methods  
• ISO 2483, Sodium chloride for industrial use - Determination of the loss of mass at 
110 °C  
• ISO 3165, Sampling of chemical products for industrial use - Safety in sampling  G/TBT/ N/RWA/180  
 
- 2 - 
 
  • ISO 6206, Chemical products for industrial use - Sampling - Vocabulary  
• ISO 6227, Chem ical products for industrial use - General method for determination 
of chloride ions - Potentiometric method  
• ISO 8213, Chemical products for industrial use - Sampling techniques - Solid 
chemical products in the form of particles varying from powders to coa rse lumps.  
• ISO 11885, Water quality -- Determination of selected elements by inductively 
coupled plasma optical emission spectrometry (ICP -OES) 
• ISO 17378 -2, Water quality -- Determination of arsenic and antimony -- Part 2: 
Method using hydride generation a tomic absorption spectrometry (HG -AAS)  
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:   
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/2018/TBT/RWA/18_3950_00_e.pdf