| Organism | 0.25 to 0.50 ppm* | 0.50 to 1 ppm* | 1 to 1.5 ppm* | 1.5 to 2 ppm* |
|---|---|---|---|---|
| Cyanophyceae (Azul-verde) | Anabaena
Anacystis Aphanizomenon Gloeotrichia Gomphosphaeria Polycystis Rivularia |
Cylindrospermum
Oscillatoria Plectonema |
Nostoc
Phormidium |
Calothrix
Symploca |
| Cyanophyceae (Verde) | Closterium
Hydrodictyon Spirogyra Ulothrix |
|||
| Diatomaceae (Diatomaceas) | ||||
| Protozoa (flagelados) |