EPA Finalizes Human Health Risk Assessment for Pesticide Used on Pets

The Environmental Protection Agency has finalized the human health risk assessment of tetrachlorvinphos (TCVP). TCVP is an organophosphate insecticide used to control fleas, ticks, and other pests on and around pets and livestock. It is used in residential products like pet collars.

Through the publication of the revised human health risk assessment and related documents, we are addressing a 2009 Natural Resource Defense Council (NRDC) petition.

This risk assessment identified potential risks to people, including children, in residential settings and to certain workers applying TCVP, which exceed the Agency’s level of concern.

The Agency has contacted the pesticide manufacturers to initiate discussions with them to reduce exposure and resolve potential risks identified in the human health risk assessment. The Agency will issue a Proposed Decision in 2017 for public comment. Until that time, it is important to follow label instructions on proper use of pesticide products.

We advise consumers to take certain precautions when handling TCVP products in residential areas. These precautions are listed on TCVP product labels, including:

  • not allowing children to play with TCVP pet collar products,
  • keeping TCVP spray and powder products out of reach of children, and
  • washing hands thoroughly with soap and water after handling.

To view TCVP’s human health risk assessment and other registration review documents, visit regulations.gov, docket number EPA-HQ-OPP-2008-0316.

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