Aquatic and Wildlife Toxicology Flashcards
1
Q
What is a point source?
A
Effluent from sewage treatment plant, industrial discharge
2
Q
What is a non-point source?
A
Undefined sources such as runoff, rain deposition, soil leaching
3
Q
What are some estuary pollutants?
A
- Sediment
- Sewage
- Organics
- Organometalics
- Nutrients
4
Q
Eutrophication?
A
Layer of green slime on surface
5
Q
Define LC50
A
The lethal concentration that results in 50% of deaths
6
Q
Two types of toxicity testing in aquatic systems?
A
- Laboratory testing
- done in tank, uses LC50 - Field testing
- looks at BOD and diversity
