CRD finally circulates rodenticide environmental risk mitigation proposals

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HSE”s Chemicals Regulation Directorate has contacted stakeholders with its proposed environmental risk mitigation measures for the second generation anticoagulant rodenticides difethialone, difenacoum, bromadiolone, brodifacoum and flocoumafen.

The proposals which were first mooted more than 12 months ago have finally been pulled together into two documents which should be available on the HSE website.

However, having just spent a good half-hour searching the site, they are either well hidden or not yet uploaded (but now – 14 August – details found on the HSE site – see here.) Fortunatley Pest has obtained copies and these can be downloaded from our site by clicking on the document abbreviated titles below.

They are:

  • Consideration of the environmental risk from the use of brodifacoum, flocoumafen, difethialone, difenacoum and bromadiolone ER SGAR
  • Environmental Risk Mitigation Measures for Second Generation Anticoagulant Rodenticides proposed by the UK ERMM SGAR


In its covering letter HSE says:
“As the competent authority for biocides in the UK, the Health and Safety Executive is looking to establish a transparent and consistent approach for applying risk mitigation measures when products are authorised in the UK, taking into account risks to wildlife and the need to control rat and mouse populations and maintain public hygiene and protect infrastructure.”

The letter continues:
“The risk mitigation measures discussed in these documents include restrictions on user type, outdoor use, bait placement, duration of baiting and bait revisiting frequency. A number of options are described for restricting outdoor use, including a preferred option which represents a change from the current UK position. The benefits and limitations of each option have been listed, although these lists should not be taken as exhaustive.”

Comments must be made via the Stakeholder Response Form by 2 November 2012 at the latest. Responses should be returned by email to [email protected] with ‘Rodenticide ERMM‘ in the subject line.

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