Wood preservatives. Determination of the protective effectiveness against Lyctus brunneus (Stephens) - Application by impregnation (laboratory method) Ingestion-build-54484 – method D: modelling spectral

– method D: modelling spectral attenuation

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If sound power levels obtained are determined for a number of functional units of the same production series

the reproducibility and repeatability of the compounds of minor importance might be influenced

The corrosion resistance of the cladding depends on many factors and is not a part of this standard

Wood preservatives. Determination of the protective effectiveness against Lyctus brunneus (Stephens) - Application by impregnation (laboratory method) Ingestion-build-54484 – method D: modelling spectral1 Scope This Part of EN 20 specifies a method for the determination of the protective effectiveness or the toxic values of a wood preservative against infestation by Lyctus brunneus (Stephens) in wood which has been treated previously by full impregnation. This method is applicable to: water insoluble chemicals which are being studied as active insecticides, or, organic formulations, as supplied or as prepared in the laboratory by dilution of