CEN/TS 839:2008
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Wood preservatives - Determination of the protective effectiveness against wood destroying basidiomycetes - Application by surface treatment
03-11-2023
03-05-2008
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test materials and apparatus
5.1 Biological material
5.2 Products and reagents
5.3 Apparatus
6 Sampling of the preservative
7 Test specimens
7.1 Species of wood
7.2 Wood quality
7.3 Provision of the test specimens
7.4 Dimensions and density of test specimens
7.5 Number and distribution of test specimens
8 Procedure
8.1 Preparation of the untreated test specimens
8.2 Preparation of the treated test specimens
8.3 Exposure to fungi
8.4 Culture conditions and duration of test
8.5 Assessment of test
9 Statement of results
10 Test report
Annex A (informative) Test fungi
A.1 General information on maintenance and acquisition
of test strains
A.2 Maintenance and treatment of test fungi
A.3 Information regarding obligatory fungi
Annex B (normative) Methods of sterilisation
B.1 Ionising radiation
B.2 Epoxyethane-based sterilant
B.3 Epoxypropane-based sterilant
B.4 Steam
Annex C (informative) Examination of colonisation
Annex D (informative) Example of a test report
Annex E (informative) Environmental, health and safety
precautions within chemical/biological
laboratory
Bibliography
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