I.S. EN 28265:1994
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
WATER QUALITY - DESIGN AND USE OF QUANTITATIVE SAMPLERS FOR BENTHIC MACRO-INVERTEBRATES ON STONY SUBSTRATA IN SHALLOW FRESHWATERS
Hardcopy , PDF
07-08-2012
English
01-01-1994
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Gives guidance on the equipment and procedures for the quantitative sampling of benthic macro-invertebrates by quadrat samplers in waters of depth less than 500 mm, although methods are described to permit sampling, under certain conditions, in a water depth of up to 1 m.
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