Residue levels
Each agricultural chemical registered for sale has been approved for use under conditions specified on the label. Additional 'off-label' uses may also be approved and these are published in various sources such as Infopest.
Infopest is available from the Queensland Department of Primary Industries and Fisheries.
For each chemical/food crop/animal combination a maximum residue level (MRL) is established that is, the maximum level of the chemical permitted to be present on a crop or animal product at the time of harvest or slaughter.
To reduce the risk to health from consumption of or contact with treated produce, withholding periods, shown on agricultural chemical labels, should be observed at all times.
Residue levels above the maximum residue level (MRL) are an indication of incorrect chemical use. This can lead to rejection of produce and long term damage to agricultural markets.
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