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Standards Development
The following text should be added:
8.4 Family of Products For a sheet the test results or declaration are valid for a family of products as defined in CEN/TS 17986 ‘Extrapolation rules for testing results on resistance to root penetration’
The test procedure remain unchanged.
As within TC 254 the extrapolation rules are developed within TS CEN/TS 17986 ‘Extrapolation rules for testing results on resistance to root penetration’ these rules shall be referred within the test method. The procedure of the test method should remain unchanged.
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