British Standards Institution

Source:: CEN
Committee:: B/515 - Wood preservation
Categories:: Information management | Standardization. General rules | Manufacturing | Chemical technology | Wood-protecting chemicals | Wood technology

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 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 may be used in conjuction with ageing procedures, which do not remove the added nutrient.

Purpose

New Work Item Proposal

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal

Proposal start date:

10/09/2021

Proposal end date:

10/10/2021

2. Draft

3. Public Comments

4. Comment Resolution

5. Approval

6. Publication

Learn more about the standards development process

Standards Development

CEN/TC 38 Decision C238 Activation of a PWI - EN 20-1 Wood preservatives - Determination of the protective effectiveness against Lyctus Brunneus (Stephens) - Part 1: Application by surface treatment (laboratory method)

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