A number of popular herbicides, insecticides and veterinary medicines are included in the eight products that are the subject of an urgent, government directed Australian Pesticides and Veterinary Medicines Authority (APVMA) review.
Agriculture minister Murray Watt gave the ministerial directive to order the completion of reviews into the eight chemicals in reaction to last week's Clayton Utz report into the APVMA's performance.
The report found the reviews into the products had been going on for as long as 18 years.
Some of the products, such as paraquat, are banned in other jurisdictions, however the crop protection sector has said that the review process is fit for purpose.
Grain Producers Australia chairman Andrew Weidemann agreed, saying that while the drawn-out process of reviews appeared unwieldy it was a method the APVMA could keep on top of new research.