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EVS-EN 20-1:2023

Wood preservatives - Determination of the protective effectiveness against Lyctus Brunneus (Stephens) - Part 1: Application by surface treatment (laboratory method)

General information
Valid from 15.12.2023
Base Documents
EN 20-1:2023
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.12.2023
Main
01.01.2000
Main
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.
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