BS ISO 20665:2008

This standard BS ISO 20665:2008 Water quality. Determination of chronic toxicity to Ceriodaphnia dubia is classified in these ICS categories:

• 13.060.70 Examination of biological properties of water

This International Standard 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:

1. chemical substances which are soluble or which can be maintained as stable suspensions or dispersions under the conditions of the test;

2. industrial or sewage effluents, if appropriate after decantation, filtration or centrifugation;

3. fresh waters;

4. aqueous extracts.

This International Standard is not applicable to the testing of aquatic samples from the estuarine or marine environment.