Test 3 Flashcards
What is source water?
Untreated water used to make drinking water. Should be used for landscape.
What is finished water?
Drinking water.
Suface Water
All water on the surface. (lakes, rivers, reservoirs, ponds, and oceans)
Groundwater
Water that is contained in the interconnected pores in an aquifer. Underground.
Nonrenewable water
In aquifers and other natural reservoirs. It is NOT recharged by hydrological cycle or is recharged so slowly that significant withdrawal for human use can cause depletion.
Renewable water
Freshwater that is continuously replenished by hydrological cycle for withdrawal within reasonable time limits such as rivers lakes or reservoirs that fill from precipitation or runoff.
Water Disinfection Byproducts
Chlorine, chlormines, chlorine dioxide, and ozone. Chlorine is associated with trihalomethanes (THMs)
Four Steps of Water Treatment Plants
- Coagulation: removes suspended material.
- Sedimentation: heavy particles settle to bottom of tanks.
- Filtration: removes smaller particles.
- Disinfection: kills bacteria or microorganisms.
Sources of Water Pollution
Beach and Coastal pollution:over development with billions of treated and untreated wastewater. Urban runoff and sewage contamination of ocean and water pollution.
Examples of waterborne diseases (how and human health impacts)
Cryptosporidiosis, cholera, and viruses
***research
Primary Standards
Air Quality
Set limits to protect public health, including the health of ‘sensitive’ populations (asthmatics, children and the elderly)
Secondary Standards
Air Quality
Set limits to protect public welfare, including protection against decreased visibility, damage to animals, crops, vegetation, and buildings.
Temperature Inversion
Atmospheric condition when warm air stalls above cool air that is close to surface of earth. This causes pollutants to b trapped to the earth’s surface.
What is Smog?
Mixture of pollutants, primarily ground-level ozone. It is produced by chemical reactions in the air, creating smog. It is formed by anthropogenic and natural sources.
What are the health effects of smog/air pollution?
Cancer such as lung and skin. Damage to vital tissues and organs, such as the nervous system.. Also impair lung/breathing function.
What are the environmental impacts of smog/air pollution?
Property damage, reduce visibility, harms forest, lakes and other bodies of water, and injure wildlife.
Causes of Indoor Air Pollution
Caused by mold and bacteria, carbon monoxide, chemicals released from building and furnishing materials, tobacco smoke, and gases (radon) from foundation. It is more enclosed.
Causes of Indoor Air Pollution
Caused by mold and bacteria, carbon monoxide, chemicals released from building and furnishing materials, tobacco smoke, and gases (radon) from foundation. It is more enclosed.
Illness from poor indoor air quality
Sick building syndrome: no specific cause, acute health and comfort effects.
Building-related illness: diagnosable illness, linked to specific pollutants.
Difference between indoor and out door air pollution
Indoor is contained, outdoor is not. There is a higher chance of ingesting pollutants indoor. There are different pollutants.
Stationary air pollution
Electric generating plants, factories and manufacturing complexes, oil refineries, chemical plants and incinerators. They have strict emission rates, easy to manage, direct air particles to particular place, and close to the ground.
