BS ISO 20665:2008 Water quality. Determination of chronic toxicity to Ceriodaphnia dubia
BS ISO 20665 specifies a method for the determination of the chronic toxicity to Ceriodaphnia dubia (Cladocera, Crustacea), based on reproduction inhibition.
The method specified in BS ISO 20665 applies 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.
Contents of BS ISO 20665:
Foreword
Introduction
Scope
Normative references
Terms and definitions
Principle
Test environment
Reagents, test organisms and media
Apparatus
Sampling and samples
Procedure
Expression of results
Validity criteria
Precision
Test report
Preparation of the ELENDT M4 medium
Preparation of the moderately hard water medium
Preparation of the LC OLIGO medium
Procedure for preparing YCT
Data collection sheet
Bibliography
