Soil quality - Determination of dehydrogenases activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC)
Edition 2019-02

Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT)
Edition 2019-02

Water quality - Carbon 14 - Test method using liquid scintillation counting
Edition 2021-06

Adventure tourism - Hiking and trekking activities - Requirements and recommendations
Edition 2023-01

Water quality. Enumeration of Escherichia coli and coliform bacteria. Membrane filtration method for waters with low bacterial background flora
Edition 2014-10-31

Surface active agents. Detergents. Determination of anionic-active matter hydrolysable and non-hydrolysable under acid conditions
Edition 2009-03-31

Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: membrane filtration method for waters with low bacterial background flora
Edition 2014-09-24

Adventure tourism. Information for participants
Edition 2014-04-30

Unbound and hydraulically bound mixtures - Part 44: Test method for the determination of the alpha coefficient of vitrified blast furnace slag
Edition 2004-04-16

Environmental testing - Part 2-10: Tests - Test J and guidance: Mould growth (IEC 60068-2-10:2005)
Edition 2006-11-29