Acute toxicity Sample Daphnia magna Selenastrum capricornutum   TFa EC(I)50b,48h TF IC(I)50c, 72h TEApH10 2 70.71% 64 4.57% PEO3 (7.7mAcm-2, 180min) 2 70.71% 8 37.25% a TF: Toxicity Factor (Indicates that the sample dilution factor does not affect 50% of organisms.) b EC(I)50: The concentration of sample that causes immobility to 50% of the organisms c IC(I)50: The concentration of sample that causes growth inhibition to 50% of the organisms

Table 4: Ecotoxicity results for samples TEApH10 e PEO3 (7.7mAcm-2, 180min).