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View larger ISO 7828:1985 [ Withdrawn ]
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ISO 7828:1985 Water quality - Methods of biological sampling - Guidance on handnet sampling of aquatic benthic macro-invertebrates
standard by International Organization for Standardization, 02/01/1985
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Specifies equipment and procedures in shallow waters (down to a depth of about 1,5 m) which are accessible either by wading or from a bank or boat. The procedures are applicable to all accessible aquatic habitats in rivers, streams, poinds, estuaries and lake shores.