. /.   WORLD TRADE  
ORGANIZATION  G/TBT/N/CHN/215 
4 September 2006 
 (06-4197) 
Committee on Technical Barriers to Trade Original:   English 
  
NOTIFICATION 
 
The following notification is being circ ulated in accordance with Article 10.6. 
 
1. Member to Agreement notifying:   THE PEOPLE’S REPUBLIC OF CHINA
 
If applicable, name of local government involved (Articles 3.2 and 7.2):         
2. Agency responsible:   Standardization Administration of China (SAC) 
Name and address (including telephone and fax numbers, e-mail and web-site 
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):   Copper concentrate, 
Lead concentrate, Zinc concentrate, Lead and zi nc bulk concentrate, Tin concentrate, Nickel 
concentrate, Cobalt-sulphur concentrate (ICS:  73.060 ;  HS:  603,2604,2605,2607, 
2608,2609). 
5. Title, number of pages and langu age(s) of the notified document:   National Standard of 
the P.R.C., Limitation Concentration of Natura l Radioactivity in Non-ferrous Metal Ores  
and Concentrates Products (10 Pages, in Chinese). 
6. Description of content:   This National Standard specifies the limitation concentration of 
natural radioactivity of non-ferrous metal ores  and concentrates products.  It applies to 
non-ferrous metal ores and concentrates products  marketed within the territories of the 
People's Republic of China.  The limitation c oncentration of natural radioactivity shall be 
conformed with the following requirements. 
a. Activity concentration of natural radioactivity 
The limit activity concentration of natural radioactivity in non-ferrous metal ores and 
concentrates products should be determined as follows:  
All Cmatural of a decay chains of 238U 226Ra232Th≤1Bq/g;  Cmatural of 40K≤10Bq/g 
b. Screening level 
The screening level of gamma-radiation dose rate(contains natural environment 
background radiation) in non-ferrous meta l ores and concentrates products should be 
determined as 400nGy/h, while the samples(diameter ≥2m,thickmess ≥1m) were measured, 
the distance of measurement is about 0.1m from the sample surface. 
c. Pollution of artificial radionuclide 
It will forbid that the non-ferrous metal ores and concentrates products are being polluted by 
artificial radionuclide or carried artificial materials/ radiation sources. G/TBT/N/CHN/215 
Page 2  
 
  7. Objective and rationale, including the na ture of urgent problems where applicable:  
For the protection of the environment 
8. Relevant documents:  -       
9. Proposed date of adoption:   
 Proposed date of entry into force:    90 days after circulation by WTO Secretariat 
6 months after adoption 
10. Final date for comments:   60 days after circulation by WTO Secretariat 
11. Texts available from:  National enquiry point [  X ] or address, telephone and fax 
numbers, e-mail and web-site addresses, if available of the other body:   
WTO/TBT National Notification and Enquiry Center of the People’s Republic of China 
Tel:  (+86) 10 82260618 Fax:  (+86) 10 82262448 
Email: tbt@aqsiq.gov.cn