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Guyana - Final Regulatory Action
2,4,5-T and its salts and esters CAS number:
93-76-5 (*)
Date circular:
12/12/2007

Chemical name: Acetic acid, (2,4,5-trichlorophenoxy)-

Final regulatory action has been taken for the category: Pesticide

Final regulatory action: The chemical is Banned

Use or uses prohibited by the final regulatory action:

All formulation or preparation and all use prohibited by the final regulatory action.

The final regulatory action was based on a risk or hazard evaluation: Yes

Summary of the final regulatory action:

Pesticides and Toxic Chemicals Control (Prohibited Pesticides) Order No. 22 of 2006 made under the Pesticides and Toxic Chemicals Control Act 2000 (No. 13 of 2000) prohibits the importation, sale and use of 2,4,5-T and its salt and esters or any substance in any form containing 2,4,5-T and its salt and esters.

The reasons for the final regulatory action were relevant to: Human health and environment

Summary of known hazards and risks to human health:

2,4,5-T has along and persistent effect on the environment and has bioaccumulation potential. The substance also forms toxic contaminants such as 2,3,7,8-TCCD which has carcinogenic and teratogenic properties.

Expected effect of the final regulatory action in relation to human health:

The possibility of risks and exposure to this chemical by humans reduced.

Summary of known hazards and risks to the environment:

Control principally due to the substance persistence in the environment and its toxicity from the formation of 2,3,7,8-TCCD which may cause contamination to rivers and creeks.

Expected effect of the final regulatory action in relation to the environment:

Exposure of wildlife and fishes to the risks of contamination by this product is reduced as well as contamination of water and soil.

Date of entry into force of the final regulatory action: 10/10/2007