NF EN 27828 : 1994
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
WATER QUALITY - METHODS OF BIOLOGICAL SAMPLING - GUIDANCE ON HANDNET SAMPLING OF AQUATIC BENTHIC MACRO-INVERTEBRATES
09-08-2014
12-01-2013
Specifies equipment and procedures for the sampling of benthic macro-invertebrates by handnet in shallow waters that are accessible either by wading or from a bank or boat. Coverage includes definitions, sampling equipment and assessment of relative abundance. Also includes diagrams.
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