Previously, Health Canada"s Pest Management Regulatory Agency (PMRA) completed an assessment of the lawn and turf uses of the herbicide dicamba. Details are available in Proposed Acceptability for Continuing Registration document PACR2007-02, Re-evaluation of Dicamba for Lawn and Turf Uses.
The PMRA has now reviewed the available information on use of dicamba in industrial sites for vegetation control and in agriculture. Under the authority of the Pest Control Products Act, the PMRA is proposing the continued registration of all currently registered uses of dicamba and its end-use products with the implementation of additional mitigation measures to further protect human health and the environment.
This Proposed Re-evaluation Decision (previously called a Proposed Acceptability for Continuing Registration [PACR] document) is a consultation document1 that summarizes the science evaluation for the remaining uses of dicamba. It also describes risk-reduction measures that will be required to further protect human health and the environment.
The proposed mitigation measures for non-turf uses of dicamba include the following:
1.a phase-out of the diethanolamine (DEA) form of dicamba unless further data are provided;
2.a new maximum application rate of 0.01 kg a.e./L a maximum spray liquid concentration of 0.01 kg a.e./L when high-volume handwands are used for non-cropland applications;
3.buffer zones to protect terrestrial habitat; and specified or upgraded personal protective equipment, grazing restrictions and preharvest intervals.
The PMRA has now reviewed the available information on use of dicamba in industrial sites for vegetation control and in agriculture. Under the authority of the Pest Control Products Act, the PMRA is proposing the continued registration of all currently registered uses of dicamba and its end-use products with the implementation of additional mitigation measures to further protect human health and the environment.
This Proposed Re-evaluation Decision (previously called a Proposed Acceptability for Continuing Registration [PACR] document) is a consultation document1 that summarizes the science evaluation for the remaining uses of dicamba. It also describes risk-reduction measures that will be required to further protect human health and the environment.
The proposed mitigation measures for non-turf uses of dicamba include the following:
1.a phase-out of the diethanolamine (DEA) form of dicamba unless further data are provided;
2.a new maximum application rate of 0.01 kg a.e./L a maximum spray liquid concentration of 0.01 kg a.e./L when high-volume handwands are used for non-cropland applications;
3.buffer zones to protect terrestrial habitat; and specified or upgraded personal protective equipment, grazing restrictions and preharvest intervals.
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