Toxicity tests algal 96-H growth

The purpose of this toxicity test is to examine the toxicity of materials to a variety of freshwater and marine algae, and it is summarized in Table 4.4. 

Summary of Test Conditions for Conducting Static 96-h Toxicity Tests with Microalgae 

Organisms Freshwater species Selenastrum capricornutum, Scenedesmus subspicatus, Chlorella vulgaris, Microcystis aeruginosa Anabaena flos-aqme, and Navicula pelliculosa Saltwater species Skeletonema costatum, Thalassiosira pseudonana, and Dunaliella Tertiolecta 

Test vessel type and size Sterile Erlenmeyer flasks of borosilicate glass, any size 

Test solution volume Not to exceed 50% of the flask volume for tests conducted on a shaker, and not more than 20% of the flask volume for tests not conducted on a Shaker 

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How could low concentrations of toxicant in a algal 96-h growth toxicity test lead to a false analysis of toxicity if not properly data analyzed ... 

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