CSN EN 20-2

CSN EN 20-2 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) in wood which has been treated previously by full impregantion. 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. This method is applicable to water-based preservatives. NOTE - This method can be used in conjuction with ageing procedures, which do not remove the added nutrient.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.