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Toxic (Priority) Pollutants. US EPA regulates 126 toxic pollutants Arsenic, Cadmium, Lead, Mercury, Nickel, Copper, Zinc.. Organic Chemicals: Benzene, Toluene, pesticides Hundreds of fish-kill from pestcide rich run-offs Many toxic pollutants pose chronic health risk
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Toxic (Priority) Pollutants • US EPA regulates 126 toxic pollutants • Arsenic, Cadmium, Lead, Mercury, Nickel, Copper, Zinc.. • Organic Chemicals: Benzene, Toluene, pesticides • Hundreds of fish-kill from pestcide rich run-offs • Many toxic pollutants pose chronic health risk • Some pesticides act as environmental hormones • Point sources can be controlled, non point sources difficult to control