1/20/99

Public Health

 

deterioration of Environment from public health standpoint

-surroundings--biological

-air, soil, water-biosphere--space

-gets in us, in our food

-75-100yrs--development, progress, Industrial Revolution

-have caused much damage to environment--unwanted materials

-absent from normal environment--add extra things

-has become risky to live on Earth w/o any fear of getting sick

-Pollutant--not normally present in environment, or in a small concentration--some have proven to be very dangerous

      -chemicals

      -physical forces ex:  heat, radiation

      -inert particles

      -hazardous waste

      -solid waste

      -medical waste

 

Air Pollutants

Annual Emissions

1.  CO

2.  Hydrocarbons

3.  Sulfur oxides

4.  Particulates

5.  Nitrogen oxides

 

Relative health Effect

1.  Sulfur oxides

2.  Particulates

3.  Nitrogen oxides

4.  Hydrocarbons

5.  Carbon monoxide

 

Source

Annual Emissions

1.  Transportation

2.  Stationary fuel combustion

3.  industry

4.  Agricultural burning

5.  Solid waste disposal

6.  Miscellaneous

 

Relative Health Effect

1.  Stationary fuel combustion

2.  industry

3.  transportation

4.  agricultural burning

5.  solid waste disposal

6.  miscellaneous

 

Green House Effect

-global warming

-CO2, CH4, CFCs, CFBr

-deforestation--removal of Tropical forest