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Canada clears imazapyr in special review

The Canadian Pest Management Regulatory Agency (PMRA) proposes to maintain the continued registration of BASF's herbicide, imazapyr, following a special review of the active ingredient. The review was triggered by the 2001 ban of the herbicide in Norway due to environmental concerns. The Norwegian assessment concluded that imazapyr was mobile and persistent in soil and may reach ground water in concentrations above the Norwegian limit of 0.1 µg/litre.


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