https://www.usgs.gov/publications/acute-and-chronic-toxicity-sodium-sulfate-four-freshwater-organisms-water-only
The acute and chronic toxicity of sulfate (tested as sodium sulfate) was determined in diluted well water (hardness of 100 mg/L and pH 8.2) with a cladoceran...
chronic toxicitysodium sulfateacutefourfreshwater
https://www.fda.gov/regulatory-information/search-fda-guidance-documents/redbook-2000-ivc7-combined-chronic-toxicitycarcinogenicity-studies-rodents
Toxicological Principles for the Safety Assessment of Food Ingredients - Chapter IV.C.7. Combined Chronic Toxicity/Carcinogenicity Studies with Rodents
chronic toxicityredbookivcombinedcarcinogenicity
https://www.usgs.gov/data/chronic-toxicity-metals-two-water-hardness-three-sizes-crayfish-faxonius-quadruncus-missouri
Laboratory studies were conducted to examine the effect of water hardness and age of crayfish on the toxicity of environment-based metals mixture....
chronic toxicityin twowater hardnessmetalsthree