pollution
Pollution from one identifiable location.
What is point-source pollution?
These cause cloudy water and are measured by turbidity.
What is sediment?
These recover from pollution quickly due to mixing and dilution
What are streams/rivers?
Requires permits to discharge pollutants.
What is the Clean Water Act?
Used first to contain oil spills.
What are floating booms?
Pollution from many scattered sources.
What is nonpoint-source pollution?
Metals that build up in tissues over time.
What are heavy metals? (lead, mercury)
These accumulate pollution due to stratification.
What are lakes?
Defines territorial seas and economic zones.
What is the Law of the Sea Treaty?
Vacuums oil from the surface.
What are skimmers?
The measurement of oxygen needed to decompose organic matter.
What is BOD (Biological Oxygen Demand)?
Oils, pesticides, plastics, detergents.
What are organic chemicals?
Excess nutrients cause this major ecological problem.
What is eutrophication?
PFAS drinking water limit by 2028.
What is 0.004 ppm?
Absorb remaining film after skimming.
What are absorbent pads?
Graph showing how dissolved oxygen changes downstream.
What is the oxygen sag curve?
Waste that lowers dissolved oxygen when decomposed.
What is oxygen-demanding waste?
Human-caused accelerated eutrophication.
What is cultural eutrophication?
Organization responsible for setting PFAS standards.
What is the EPA?
Clumps oil to make removal easier.
What are coagulants?
Chemicals that interfere with hormone systems.
What are endocrine disruptors?
Nitrates and phosphates belong to this pollutant category.
What are inorganic plant nutrients?
Toxic dinoflagellate linked to fish kills in NC.
What is pfiesteria?
85% of ocean pollution comes from this source.
What are land activities?
Break up slicks and disperse oil into droplets.
What are dispersing agents?