Wood preservatives. Determination of the protective effectiveness against Lyctus brunneus (Stephens) - Application by surface treatment (laboratory method) Ingestion-build-251241 Moderate changes have been made

Moderate changes have been made to apparatus and procedure

PD CEN/TS 16861 stipulates a test method that identifies and quantifies certain specified contaminants

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Wood preservatives. Determination of the protective effectiveness against Lyctus brunneus (Stephens) - Application by surface treatment (laboratory method) Ingestion-build-251241 Moderate changes have been made1 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) 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 formulations, as supplied or as prepared in the laboratory by dilution of