PFAS Chemicals Chemical Spills Chemical Hazards E-coli Mining Impact Mercury Pollution Chemical Spillage Aquatic Life Industrial Wastewater Toxic Chemicals De-icing Agents Nuclear Contamination PFAS Heavy Metals Waste Management Ecosystem Damage Toxicology Marine Pollution Fukushima Power Plant Firefighting Foam Health Effects Mining Company Industrial Pollutants Chemicals PFAS Contamination Phosphate Plant Reservoir Chemical Contaminants TFA Impact on Ecosystems