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ČSN is a protected designation of Czech national technical standards.
Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
Standard published on 1.8.2014
Selected format:Water quality - Guidance on statistical interpretation of ecotoxicity data
Standard published on 1.7.2008
Selected format:Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment
Standard published on 1.4.2013
Selected format:Water quality - Visual seabed surveys using remotely operated and/or towed observation gear for collection of environmental data
Standard published on 1.4.2013
Selected format:Kvalita vod - Metoda přídavků standardu.
Standard published on 1.1.2014
Selected format:Water quality - Guidance and requirements for designing an interlaboratory trial for validation of analytical methods
Standard published on 1.11.2025
Selected format:Water quality - Guidance standard on a strategic approach to river restoration
Standard published on 1.2.2026
Selected format:Water quality - Calibration and evaluation of analytical methods - Part 1: Linear calibration function
Standard published on 1.5.2023
Selected format:Water quality - Calibration and evaluation of analytical methods and estimation of performance characteristics - Part 2: Calibration strategy for non-linear second-order calibration functions
Standard published on 1.1.2003
Selected format:Water quality. Calibration and evaluation of analytical methods and estimation of performance characteristics. Part1: Statistical evaluation of the linear calibration function
WITHDRAWN published on 1.3.1994
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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