Freshwater Algal Growth Inhibition

Title

Freshwater algal growth inhibition

Test guidelines

OECD 201
Japanese MAFF 2-7-7
US EPA
Annex V EEC C3

Test species

Pseudokirchneriella subcapitata
or Chlorella vulgaris or Desmodesmus subspicatus


Quantity of sample required

100g
If effluent 2L

Results quoted

Growth inhibition EC50’s by growth rate and biomass.
NOEC’s based on growth rate and biomass


Test duration

72 hours (96 hours when following US EPA)

Standard turnaround time

6 weeks

Notes

Pseudokirchneriella subcapitata is the standard species but other alternative species may be used at the client’s request.

The turnaround time includes a range finding (preliminary) study, definitive study and report.