and high levels of ammonia at a second. Resident Nikki Jackson, who had a pile of dead fish at the bottom of her garden, called the incident “disappointing”. “Over the past days, the ...

Their lawyers rejected Cleveland Cliffs Burns Harbor’s assertion ... including an August 2019 cyanide and ammonia spill that killed nearly 3,000 fish in the Little Calumet River’s east branch.

Burns, blindness, asphyxiation and agonising ... assistant scientist at the CMMI’s Marine and Coastal Ecosystems Centre. “Ammonia is considered one of the most common causes of fish kills in aquatic ...