90.93 Standard confirmed Apr 13, 2023
ISO
ISO/TC 147/SC 5 Biological methods
International Standard
13.060.70 Examination of biological properties of water
Published
ISO 20665:2008 specifies a method for the determination of the chronic toxicity to Ceriodaphnia dubia (Cladocera, Crustacea), based on reproduction inhibition after (7 ± 1) d.
The method is applicable to: a) chemical substances which are soluble or which can be maintained as stable suspensions or dispersions under the conditions of the test; b) industrial or sewage effluents, if appropriate after decantation, filtration or centrifugation; c) fresh waters; d) aqueous extracts (leachates, eluates, and elutriates).
ISO 20665:2008 is not applicable to the testing of aquatic samples from the estuarine or marine environment.
PUBLISHED
ISO 20665:2008
90.93
Standard confirmed
Apr 13, 2023
