Biological Test Method Reference method for determining acute lethality of effluents to Daphnia magna

Explicit standard or reference methods for determining the acute lethal toxicity of effluents to the crustacean ẁaterflea' Daphnia magna are described in this report. Specific instructions for performing and reporting acute lethality tests with samples of effluent are given, and the guidance provided in the generic methodology document Àcute lethality test using Daphnia spp' is extended.