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Chlorfenvinphos

Chlorfenvinphos is an organophosphorus insecticide and acaricide. In agricultural products chlorfenvinphos was formerly used in Australia for the control of insect pests in pasture, lucerne, potatoes and mushrooms. In veterinary products chlorfenvinphos continues to be used in the control of ectoparasites on cattle, horses, deer, goats and working dogs.

Chlorfenvinphos review

Status: review completed October 2011

The final step in the review of chlorfenvinphos was completed in October 2011, enabling implementation of all of the review recommendations and completion of the review.

There was one chlorfenvinphos product that contained instructions for use on sheep, which was also subject to the outcomes of the sheep ectoparasiticides review. The registrant voluntarily amended the product label to no longer include the instructions for use on sheep. This enabled the APVMA to finalise the review of chlorfenvinphos.

As of October 2011, labels for all veterinary chlorfenvinphos products have been updated in accordance with the recommendations from the Chlorfenvinphos Interim Review Report.

As no further changes to existing products have been identified, a final report for the chlorfenvinphos review is not warranted.

Background

The APVMA (formerly the NRA) commenced a review of chlorfenvinphos in 1996 because of concerns about worker health and safety and the potential for adverse environmental effects.

In 2000 the APVMA released the Chlorfenvinphos Interim Review Report (PDF, 368kb). The APVMA was satisfied that the use patterns of chlorfenvinphos could be varied to manage the potential risks identified in the report.

The APVMA recommended cancelling agricultural uses of chlorfenvinphos and placing restrictions on veterinary uses. This included strengthening label warnings and modifying the design of containers to minimise worker exposure.

An assessment of the safety directions for chlorfenvinphos products was subsequently completed in January 2003. Product labels were updated in 2004 with revised safety directions to reduce worker exposure risk. These changes were also adopted in the First Aid Instructions and Safety Directions Handbook.

Review Report Date

Chlorfenvinphos Interim Review Report:

Dec 2000
Review of the Safety Directions for Chlorfenvinfos Products Jan 2003

Contact

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Product Search

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APVMA chlorfenvinphos archive
Title
Date
Media Release: Changed rules for the insecticide, chlorfenvinphos Dec 2000
Media Release: Future of organophosphate depends on new data that justifies continued use Sep 1999
Chlorfenvinphos Draft Report* Sep 1999
* Contact the APVMA for copies of this document.