Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
Edition 2004-06-11

Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test (ISO 11733:2004)
Edition 2005-04-06

Water quality - Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation (ISO 8192:2007)
Edition 2007-09-19

Nuclear energy - Nuclear fuel technology - Theoretical activation calculation method to evaluate the radioactivity of activated waste generated at nuclear reactors
Edition 2014-02-15

Wastewater treatment plants - Part 15: measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
Edition 2004-04-01

WATER QUALITY. EVALUATION OF THE AEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS IN AN AQUEOUS MEDIUM. SEMI-CONTINUOUS ACTIVATED SLUDGE METHOD (SCAS). (ISO 9887:1992).
Edition 1995-06-14

Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method
Edition 2007-04

Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006)
Edition 2006-10

Water quality - Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation (ISO 8192:2007)
Edition 2007-05