In case of an accidental release of Nalco 2000, the MSDS recommends:
High toxicity. Large exposures can be fatal and may cause methemoglobinemia (a blood disorder that prevents oxygen from reaching tissues), resulting in cyanosis. msds nalco 2000
: Toxic to fish and harmful to aquatic organisms. SAFETY DATA SHEET NALCOOL® 2000 In case of an accidental release of Nalco