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ČSN is a protected designation of Czech national technical standards.
Water quality - Inspection of surface water quality
WITHDRAWN published on 1.10.1998
Selected format:
WITHDRAWN published on 21.3.1990
Selected format:Water quality - Classification of surface water quality
Standard published on 1.11.2017
Selected format:Water quality - Classification of surface water quality
WITHDRAWN published on 1.10.1998
Selected format:
WITHDRAWN published on 4.8.1989
Selected format:Inspection of waste and special waters
WITHDRAWN published on 2.3.1987
Selected format:Water quality - Chemical and physical analysis - General regulations and instructions
Standard published on 1.1.2024
Selected format:Water quality. Chemical and physical analysis. General instruction
WITHDRAWN published on 1.2.1994
Selected format:Water quality - Chemical and physical analysis - General regulations and instructions
WITHDRAWN published on 1.5.2004
Selected format:Water quality - Chemical and physical analysis - General regulations and instructions
WITHDRAWN published on 1.5.2007
Selected format:Latest update: 2026-05-17 (Number of items: 2 278 942)
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