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Diazinon
Diazinon is a broad-spectrum organophosphorus (OP) insecticide used for external parasite control on sheep, cattle and companion animals. It is also used in agriculture and horticulture for the control of a variety of pests.
Important Notice: diazinon users
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Diazinon review
Status: review in progress
In December 1996 the APVMA (formerly the NRA) began a review of diazinon because of concerns over the potential for diazinon to form highly toxic breakdown products and its potential to pose a risk to public health, occupational health and safety, the environment, animals, and Australia’s trade.
In April 2003 the APVMA released the Diazinon Review Findings Report Part 1. The APVMA found that emulsifiable concentrates (EC) products without stabiliser posed an undue hazard to the safety of people and animals as these products could break down to produce highly toxic impurities. The APVMA also found that products used on companion animals posed an undue hazard to the environment, particularly in the urban environment where use could result in contamination of urban run-off. The APVMA cancelled products that were hydrocarbon (water) based formulations and a small number of companion animal products containing diazinon.
In June 2006 the APVMA released the Diazinon Preliminary Findings Review Report (PRF) Part 2. The APVMA extended the review of diazinon based on new information and the preliminary findings of Part 2 are supplementary to earlier findings. The APVMA concluded that the risks associated with several uses and application methods for diazinon posed an unacceptable risk to human health and the environment.
To minimise the possible dietary risks to humans, the APVMA proposed establishing new Maximum Residue Limits (MRLs) for some crops, including strengthening safety directions and warning statements on diazinon product labels, and deleting uses and application methods of diazinon which were assessed as posing possible human health risks. Read a full history of the review...
The APVMA will issue a final report once the assessment of all available data is completed.
For more information please contact the Chemical Review Program on (02) 6210 4749 or by email to chemrev@apvma.gov.au
Review report |
Date |
| Diazinon Preliminary Review Report Part 2: | Jun 2006 |
Summary ( |
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Technical Reports ( |
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Diazinon Review Findings Report Part 1 ( PDF - 324KB) |
Apr 2003 |
Product search
Search the PUBCRIS database for registered products that contain diazinon.
Note: In the Active Constituent 1 field enter diazinon.
APVMA diazinon archive
Title |
Date |
| Information for registrants, resellers and users | May 2007 |
| Media Release: APVMA suspends the use of diazinon fro sheep dipping and jetting | May 2007 |
| Backgrounder ( PDF - 35KB) |
May 2007 |
| Media Release: Diazinon review released | Jun 2006 |
| Media Release: Diazinon review findings to be delayed | Apr 2006 |
| Backgrounder: APVMA Diazinon and Sheep Ectoparasiticides reviews | Dec 2005 |
| Media Release: Sheep chemical workshop recognises need for regulatory change | Dec 2005 |
| Revised Diazinon Draft Report: Summary ( PDF - 491KB)Residue assessment ( PDF - 2.9MB) Chemistry assessment ( PDF - 86KB)Agriculture assessment ( PDF - 769KB) Toxicological assessment ( PDF - 5.3MB)OHS assessment ( PDF - 2.7MB)Environmental assement ( PDF - 857KB) |
Sep 2002 |
| Media Release - Public Comment Sought on Findings of the Draft Review of Diazinon | Nov 2000 |
| Diazinon Draft Report* | Aug 2000 |
* Contact the APVMA for copies of this report.