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ISO 9439:1999

Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium — Carbon dioxide evolution test

Publication date:   Mar 4, 1999

General information

90.93   Standard confirmed   Mar 9, 2026

ISO

ISO/TC 147/SC 5 Biological methods

International Standard

13.060.70   Examination of biological properties of water

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Life cycle

PREVIOUSLY

WITHDRAWN
ISO 9439:1990

WITHDRAWN
ISO 9439:1990/Cor 1:1992

NOW

PUBLISHED
ISO 9439:1999
90.93 Standard confirmed
Mar 9, 2026