This standard defines appearance grades for European poplars. The standard applies to dry and green sawn timber, of thickness 15 mm up to 34 mm and of width 100 mm up to 250 mm measured in a green state.
DS/EN 975-2:2004 history
2004DS/EN 975-2:2004 Sawn timber - Appearance grading of hardwoods - Part 2: Poplars