Tracked Changes. Wood preservatives. Determination of the protective effectiveness against Lyctus brunneus (Stephens) Application by surface treatment (laboratory method)
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Standard number:
BS EN 20-1:2023 - TC
Pages:
60
Released:
2024-01-02
ISBN:
978 0 539 29983 0
Status:
Tracked Changes
DESCRIPTION
BS EN 20-1:2023 - TC
This standard BS EN 20-1:2023 - TC Tracked Changes. Wood preservatives. Determination of the protective effectiveness against Lyctus brunneus (Stephens) is classified in these ICS categories:
71.100.50 Wood-protecting chemicals
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.
