G/TBT/N/RWA/149  
 
20 Ju ly 2018 
(18-4593) 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): Tea 
(ICS 67.140.10).  
5. Title, number of pages and language(s) of the notified document: DEAS 28: 2018 
Black tea - Specification (14 page(s), in English)   
6. Description of content: This Draft East African Standard specifies requirements, 
sampling and test methods for black tea.  
This standard also applies to blended black tea.  
It does not apply to scented or decaffeinated black tea.  
7. Objective and rationale, including the nature of urgent problems where 
applicable: Quality requirements  
8. Relevant documents:   
EAS 38, Labellin g of pre -packaged foods - General requirements EAS 39, Hygiene in the 
food and drink industry - Code of practice  
ISO 1572, Tea - Preparation of ground sample of known dry matter content  
ISO 1573, Tea - Determination of loss in mass at 103 °C  
ISO 1575, Tea - Determination of total ash  
ISO 1576, Tea - Determination of water soluble ash and water insoluble ash  
ISO 1577, Tea - Determination of acid insoluble ash  G/TBT/N/RWA/149  
 
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  ISO 1578, Tea - Determination of alkalinity of water -soluble ash  
ISO 1839, Tea - Sampling  
ISO 3103, Tea - Preparation of liquor for use in sensory tests  
ISO 5498, Agricultural food products - Determination of crude fibre content - General 
method  
ISO 6078, Black tea - Vocabulary  
ISO 14502 -1, Determination of substances characteristic of green and black te a - Part 1: 
Content of total polyphenols in tea - Colorimetric method using Folin -Ciocalteu reagent  
ISO 15598, Tea - Determination of crude fibre content  
ISO 21527 -2, Microbiology of food and animal feeding stuffs - Horizontal method for the 
enumeration of  yeasts and moulds - Part 2: Colony count technique in products with water 
activity less than or equal to 0.95  
ISO 6579, Microbiology of food and animal feeding stuffs - Horizontal method for the 
detection of Salmonella spp  
ISO 6888 -1, Microbiology of food  and animal feeding stuffs - Horizontal method for the 
enumeration of coagulase -positive staphylococci (Staphylococcus aureus and other 
species)  
ISO 7251, Microbiology of food and animal feeding stuffs - Horizontal method for the 
detection and enumeration of presumptive Escherichia coli - Most probable number 
technique  
ISO 9768, Tea - Determination of water extract  
ISO 16649 -2, Microbiology of food and animal feeding stuffs - Horizontal method for the 
enumeration of glucuronidase -positive Escherichia coli - Part 2: Colony -count technique at 
44 °C using 5 -bromo -4-chloro -3-indolyl -D-glucuronide   
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_3895_00_e.pdf