Water Pollution

_________ enter(s) via human sewage and causes hormonal changes in fish-even at low doses.

• pesticides
• nitrates
• pharmaceuticals
• lead

Kills a wides variety of organisms, not just intended target

• pharmaceuticals
• PBDEs
• pesticides
• PCBs

These flame retardants are turning up everywhere and are linked to brain damage

• PBDEs
• PCBs
• BPA
• perchlorates

Carcinogen mainly used for electrical equipment; moves through air, water, salmon

• PBDEs
• PCBs
• arsenic
• perchlorates

persistent pollutant used for rocket fuel; leaches from soil and attacks thyroid gland

• PBDEs
• PCBs
• DDT
• perchlorates

leads to eutrophication and blue baby syndrome

• phosphates
• nitrates
• DDT
• BPA

high values from sediment pollution; increased Tyndall effect and water temps

• phosphates
• nitrates
• turbidity
• BOD

high values from fertilizer and detergent runoff

• phosphates
• nitrates
• ammonium
• chlorides

increased by dumping of superheated water from power plants, as well as other factors

• temperature
• nutrients
• turbidity
• DO

decreases when temperature or decay increases

• phosphate
• nitrate
• turbidity
• DO