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EN ISO 9391:1995

Water quality - Sampling in deep waters for macro-invertebrates - Guidance on the use of colonization, qualitative and quantitative samplers (ISO 9391:1993)

Publication date:   Sep 27, 2001

General information

99.60 Withdrawal effective   Jul 1, 2012

CEN

CEN/TC 230 Water analysis

European Norm

13.060.30   Sewage water

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Scope

The colonization samplers described allow water quality to be assessed by providing a collection of macro-invertebrates indicative of the water quality at the sites of concern. They do not sample the natural invertebrate fauna, which may be restricted by physical conditions unrelated to water quality, and are to be used when studying lowland river waters of depth over 1 m. The deep water samplers described are for use in rivers deeper than 1 m on substrata ranging from mud to stones. They are unsuitable when sampling over macrophytes or stones of sizes greater than about 15 cm, or in very fast flowing water.

Life cycle

NOW


EN ISO 9391:1995
99.60 Withdrawal effective
Jul 1, 2012

REVISED BY

PUBLISHED
EN ISO 10870:2012

Relations

Adopted from ISO 9391:1993 IDENTICAL