G/TBT/N/RWA/417  
20 November 2020  
(20-8395) 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 [   ], other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Fertilizers 
(ICS 65.080)  
5. Title, number of pages and language(s) of the notified document:  DRS 72: 2020 
Granulated superphosphate fertilizers — Specification (17 page(s), in English)  
6. Description of content:  This Draft Rwanda Standard specifies requirements, sampling 
method and test methods for granulated superphosphate fertilizers. It appli es for both 
single superphosphate and triple superphosphate.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Prevention of deceptive practices and consumer protection; Protection of 
human health or safety; Protection of the environment; Quality requirements  
8. Relevant documents:   
• AOAC 969.02, Phosphorus (total) in fertilizers — Alkalimetric quinolinium 
molybdophosphate method  
• AOAC 993.31, Phosphorus (available) in fertilizers — Direct extraction method  
• AOAC 2006.03, Arsenic, cadmium, cobalt, chromium, lead, molybdenum, nickel, 
and selenium in fertilizers — Microwave digestion and inductively coupled plasma -
optical emission spectrometry  
• EN 12048, Solid Fertilizers and Liming Materials - Determination of Moistu re 
Content - Gravimetric Method by Drying at 105 Plus or Minus 2 Degrees C  
• ISO 5316, Fertilizers — Extraction of water -soluble phosphates  G/TBT/N/RWA/417  
 
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  • ISO 7409, Fertilizers — Marking — Presentation and declarations  
• ISO 8157, Fertilizers and soil conditioners — Vocabula ry 
• ISO 8189, Solid fertilizers — Determination of moisture content — Gravimetric 
method by drying under reduced pressure  
• ISO 8397, Solid fertilizers and soil conditioners — Test sieving  
• ISO 14820 -1, Fertilizers and liming materials — Sampling and sample preparation 
— Part 1: Sampling  
• ISO 14820 -2, Fertilizers and liming materials — Sampling and sample preparation 
— Part 2: Sample preparation  
• ISO 17318, Fertilizers and soil conditioners — Determination of arsenic, cadmium, 
chromium, lead and mercury contents  
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/2020/TBT/RWA/20_7123_00_e.pdf