scope:

This part of the standard 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. The 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 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. This method may be used in conjunction with ageing procedures, which do not remove the added nutrient.