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prNS-EN 20-1:2022

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Note: This standard has a new edition: NS-EN 20-1:2023

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Abstract

This part of the EN 20 series specifies a method for the determination of the protective effectiveness or the toxic values of a wood preservative against infection by Lyctus brunneus (Stephens) when the product is applied as a surface treatment to wood. This method is applicable to: - water-insoluble chemicals which are being studied as active insecticides; or - organic formulsation, as supplied or as prepared in the laboratory by dilution of concentrates; or - organic water-dispersible formulations as supplied or as prepared in the laboratory by dilution of concentrates; or - water-soluble materials, for example salts. NOTE This method can be used in conjuction with ageing procedures, which do not remove the added nutrient.

Document information

  • Standard from SN
  • Published:
  • Edition: 2022-10
  • Version: 1
  • Document type: NAT
  • ICS 71.100.50
  • National Committee SN/K 95

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