Chemical name: TBT

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:

No kmow use of the chemical in Guayana prior to the final regulatory action.

Pesticide use or uses that remain allowed:

All formulations or preparations 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. 21 of 2009 made under the Pesticides and Toxic Chemicals Control Act 2000 (No 13 of 2000) prohibits the importation, sale and use of Tributyltin (TBT) or any substance in any form containing Tributyltin (TBT).

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

Summary of known hazards and risks to human health:

The tributyltin compounds may be strongly irritating to the skin in humans, especially the hair follicles, and skin exposure may result in chemical burns in only a few minutes if the concentration of tributyltin is high enough. Shipyard workers exposed to TBT (occupationally exposed to dusts and vapors) developed irritated sin, dizziness, difficulty breathing, and flu-like symptoms. Other mucous membranes such as the eyes and nasal passages may also become irritated upon exposure. Tributyltin is also known to bioaccumulate and is retained in fat, liver, kidney, and lung tissues in humans.

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

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

Summary of known hazards and risks to the environment:

Tributyltin compounds are highly to very highly toxic to many species of aquatic organisms and moderately toxic to birds. Tributyltin compounds are moderately to highly persistent in the environment. Tributyltin compounds are moderately to highly persistent organic pollutants that biocencentrate up the marine predators food chain.

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

Reduce exposure to aquatic organisms and other animals.

Date of entry into force of the final regulatory action: 30/10/2009