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Current state of world standardization in the toxicometric methods for testing of wood preservatives
2007 - IRG/WP 07-20354
The paper presents an outline of the history of forming standardized toxicometric methods for testing of wood preservatives in the world during last 100 years. Numerous studies resulted in three main methods which are currently used for official and basis assessment of biocides: - agar-block method in Europe (EN 113); - soil-block method in the USA and Pacific countries (ASTM D 1413); - modified soil-block method in the Russian Federation and the Commonwealth of Independent States (GOST 16712). Further on the paper compares the three methods and presents lines of their global standardization.
Determination of fungitoxic value of preservatives in laboratory wood-block tests. Part 1: Standard procedures
1989 - IRG/WP 2326
By applying a modified agar-block method, a comparative analysis was made on the toxic value of the wood preservative CCA against the test fungus Serpula lacrymans. The procedure applied to determine the results accounted for different standards: EN (Toxic limit), ASTM (threshold retention), GOST (threshold retention and protection probability), PN (toxic doses) and JIS (value of efficiency). Despite some procedural differences the results obtained were to a large extent similar.
J Wazny, J D Thornton