Pollution Management

Pollution

the addition to an environment of a substance or agent by human activity at a rate greater than it can be rendered harmless

Point Source Pollution

The release of polluntants from a single, clearly identifiable site.

Non-point Source Pollution

the release of polluntants from numerous, widely dispersed sites.

Major sources of pollution

Domestic waste, industrial waste, fossil fuels

Protecting ground water requires...

monitoring near aquifers and underground tanks

National emission standards detect how many toxic air pollutants?

100+

The EPA monitors these types of air pollutants:

ozone/nitrogen oxides

What is the percentage of ppm of dissolved oxygen indicates good water quality

8-9

What does ppm stand for?

parts per million

A species that serves as an early warning that an ecosystem is being degraded is called?

Indicator Species

A species that is used to detect industrial chemicals and pesticides are?

Filter-feeding mussels

A species used to detect fuels and solvents are?

Cattails

Baseline study

a method of detailed survey required in many countries before a major development

What are the three inorganic fertilizers that may be added to soils?

Nitrogen, Phosphorus, Potassium

The disadvantage of adding inorganic fertilizers to soils

Does not add humus to soil, reduces organic materials, lowers oxygen content of soil

Eutrophication causes

rapid growth of algae

Positive feedback loop

a feedback loop in which change in a system is amplified

Reducing the impacts of eutrophication requires

Enhancing crop growth with animal manure, enhancing crop growth with humus, using alternative detergent

Example of municipal wastes

Paper and glass

The worst disaster from oil drilling occurred at?

Deepwater Horizon

Name three impact of eutrophication

* Death of aerobic organism
* Increase turbidity
* Loss of biodiversity

What is the most preferred method of disposal of high-radioactive wastes

Deep ocean in lead containers