Standards ČSN - Czech national standards - Page 7115

Water quality - Evaluation of the elimination and biodegradability of organic compounds in an aqueous medium - activated sludge simulation test

WITHDRAWN published on 1.10.1999

Water quality - Evaluation of the "ultimate" anaerobic biodegradability of organic compounds in digested sludge - Method by measurement of the biogas production

Standard published on 1.10.1999

Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Determination of biochemical oxygen demand in a two-phase closed bottle test

Standard published on 1.2.1999

Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Method by analysis of inorganic carbon in sealed vessels (CO2 headspace test)

Standard published on 1.3.2005

Jakost vod - Hodnocení úplné aerobní biologické rozložitelnosti organických látek ve vodním prostředí - Metoda stanovení anorganického uhlíku v těsně uzavřených lahvičkách (CO2 headspace metoda).

Change published on 1.3.2006

Water quality - Evaluation of genotoxicity by measurement of the induction of micronuclei - Part 2: Mixed population method using the cell line V79 (ISO 21427-2:2006)

Standard published on 1.10.2009

Hodnocení genotoxicity měřením indukce mikrojader - Část 2: Metoda smíšené populace s použitím buněčné linie V79 (Norma k přímému použití jako ČSN).

Correction published on 1.5.2010

Water quality - Selection of tests for biodegradability

Standard published on 1.4.2013

Water quality - Calculation of biological equivalence (BEQ) concentrations

Standard published on 1.3.2024

Water quality - Guidance on mapping of seagrasses and macroalgae in the eulittoral zone

Standard published on 1.3.2020