NEN ISO 17155 : 2002
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
10-04-2012
12-06-2012
Defines a test method for determining the activity of the active aerobic, heterotrophic microbial biomass in soils. Applicable to the monitoring of soil quality and to the evaluation of the ecotoxic potential of soils and soil materials.
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