This Test Guideline describes an assay that assesses early life-stage effects and potential adverse consequences of …. In the test, fish are exposed, from newly fertilized egg until the completion of sexual differentiation at about 60 days … post hatch, to at least three concentrations of the test substance dissolved in water. In each treatment level and control …

This Test Guideline is designed to assess the toxicity of substances to freshwater aquatic plants of the genus Lemna … monocultures in, at least, five concentrations of the test substance over a period of seven days. The objective of the test is to …. The limit test corresponds to one dose level of 100 mg/L. This study includes measurement of pH, light intensity …

This Test Guideline describes the Medaka Extended One Generation Test (MEOGRT), which exposes fish over multiple … generations to give data relevant to ecological hazard and risk assessment of chemicals, including suspected endocrine disrupting … weeks post fertilization, wpf) in the second (F2) generation. This Test Guideline measures several biological endpoints …

The purpose of the test is to measure the capacity of a chemical to activate or inhibit the transcription of a genetic … of thyroid hormone available for transcription. The test is based on the use of a transgenic frog (possessing the genetic … substance and to follow its action. This test is based on the quantification of fluorescence, and thus of the GFP protein …