. /.   WORLD TRADE  
ORGANIZATION  G/SPS/N/USA/1305 
8 May 2006 
 (06-2207) 
Committee on Sanitary a nd Phytosanitary Measures Original:   English 
  
 
NOTIFICATION 
 
1. Member to Agreement notifying:  UNITED STATES
 
If applicable, name of local government involved:   
2. Agency responsible:  Environmental Protection Agency (EPA)  
3. Products covered (provide tariff item number(s) as specified in national schedules 
deposited with the WTO; ICS numbers should be provided in addition, where 
applicable):  Chlorine dioxide, sodium chlorite and sodium chlorate  
4. Regions or countries likely to be affected, to the extent relevant or practicable:  Any 
US trade partners.  
5. Title, language and number of pages of the notified document:  Notice.  Chlorine 
Dioxide Draft Risk Assessments; Notice of Av ailability (Available in English, 3 pages).  
6. Description of content:  This notice announces the availab ility of EPA's risk assessments, 
preliminary risk reduction options, and rela ted documents for the pesticides chlorine 
dioxide, sodium chlorite and sodium chlora te(antimicrobial uses), and opens a public 
comment period on these documents.  
Chlorine dioxide, sodium chlorite and sodium  chlorate are active ingredients in numerous 
products used in the control of bacteria, fungi and algal slimes.  In addition, it is used to 
disinfect drinking water and as a microbiocide in cooling tower waters.  
At this time, products containing chlorine dioxide and sodium chlorite are intended for 
agricultural, commercial, industrial, medical a nd residential use.  The agricultural premises 
and equipment uses include the disinfecti on of hard surfaces and equipment (such as 
hatching facilities and mushroom houses) and water systems (such as chiller water and 
humidification water in poultry houses).  Comme rcial, industrial, and medical uses include 
disinfection of hard surfaces (e.g., floors, wa lls, and laboratory equipment), human drinking 
and industrial cooling water systems, pulp/pape r mills, and food rinses.  Residential uses 
include disinfection of swimming pools, hard surfaces (e.g., floors, bathrooms), heating 
ventilating and air-conditioning systems, and pool and spa water circulation system 
treatments.  In addition, there is a conti nuous release gas product (sachet) for the home to 
control odors.  
7. Objective and rationale: [ X ] food safety,  [   ] animal health,  [ X ] plant protection, 
[ X ] protect humans from animal/plant pest or disease, [   ] protect territory from other damage from pests   G/SPS/N/USA/1305 
Page 2  
 
  8. International standard, guideline or recommendation: 
[   ] Codex Alimentarius Commission,  [   ] World Organization for Animal Health 
(OIE), [   ] International Plant Protection Convention,  [ X ] None 
If an international standard, guideline or recommendation exists, give the appropriate 
reference and briefly identify deviations:   
9. Relevant documents and language(s) in which these are available:  Federal Register: 
26 April 2006 (Volume 71, Number 80) Pages 24683-24685.   
http://www.epa.gov/fedrgstr/EPA-PEST/2006/April/Day-26/p6304.htm  
Available in English.  
10. Proposed date of adoption:  Not specified. 
11. Proposed date of entry into force:  A notice invites the public to submit additional 
scientific information and comments to the Agency.  
12. Final date for comments:  Members are encouraged to submit their comments by 
26 June 2006.  
Agency or authority designated to handle comments:  [   ] National notification 
authority, [ X ] National enquiry point, or address, fax number and E-mail address (if 
available) of other body:   
Antimicrobials Division (7510C), Office of Pesticide Programs, Environmental Protection 
Agency, 1200 Pennsylvania Ave., NW., Washington, DC 20460-0001  
13. Texts available from:  [ X ] National notifi cation authority, [   ] National enquiry 
point, or address, fax number and E-mail address (if available) of other body:   
Ms Deborah Thompson, Acting, United Stat es SPS National Notification Authority, USDA 
Foreign Agricultural Service, Food Safety & Technical Services Division, Stop 1027, 
Washington D.C. 20250.  Tel:  202-720-4051;  Fax:  202-690-0677;  E-mail: 
fstsd@fas.usda.gov