Chronic toxicity of cadmium. Freshwater cadmium toxicity data from chronic exposures were reported for 24 species; 18 chronic values and/or NOECs were available with hardness data (Fig. 8).
Chronic saltwater cadmium toxicity data were available for 16 species; however, only four of these data points were either chronic values, NOECs, or LOECs (Fig. 9).