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ČSN is a protected designation of Czech national technical standards.
Water quality. Microscopical biological qualitative and quantitative analysis
WITHDRAWN published on 28.9.1987
Selected format:Water quality - Biological analysis - Determination of bioseston
Standard published on 1.2.2013
Selected format:Water quality - Biological analysis - Determination of bioseston
WITHDRAWN published on 1.5.2005
Selected format:Water quality - Biological analysis - Determination of bioseston
WITHDRAWN published on 1.7.1998
Selected format:
WITHDRAWN published on 17.4.1991
Selected format:Water quality - Biological analysis - Determination of abioseston
Standard published on 1.11.2015
Selected format:Water quality - Biological analysis - Determination of abioseston
WITHDRAWN published on 1.7.1998
Selected format:Water quality - Biological analysis - Determination of benthos
Standard published on 1.7.2015
Selected format:Water quality - Biological analysis - Determination of benthos
WITHDRAWN published on 1.7.1998
Selected format:Water quality - Biological analysis - Determination of periphyton
Standard published on 1.6.2015
Selected format:Latest update: 2026-08-25 (Number of items: 2 298 362)
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