Lecture #7

Question 1

London Fog

Answer 1

due to massive industrialization and burning of coal

Question 2

Clean Air Act

Answer 2

Following london fog, standardization of pollutants

primary- public health and sensitive groups
secondary- public welfare

Question 3

what are the 6 criteria pollutants

Answer 3

SO2, NO2, CO, O3, PM, Pb

Question 4

Stationary vs Mobile

Answer 4

Stationary- powerplants, industrial
Mobile: vehicles

Question 5

SO2

Answer 5

Major stationary source (powerplants- industrial)
-secondary formation: acid rain

-decreased lung function
-water soluble, affects upper airway

Question 6

NO2

Answer 6

due to vehicle emissions
indoor»» outdoor
indoor source= furnaces, gas stoves

low water solubility = deep lung damage, asthma

Question 7

CO

Answer 7

also due to vehicle emissions
but does not have respiratory effects
mainly cause impaired oxygen delivery

Question 8

O3

Answer 8

low solubility, lower airway

mobile source, smog inflammation

Question 9

Pb lead

Answer 9

gasoline, smelting, battery, construction
-multiple organ system effects due to interfering with essential cations.

-neurocognitive development and cardiovascular mortality

Question 10

PM

Answer 10

carcinogenic, cardiorespiratory disease

Question 11

worldwide lead

Answer 11

demand from cars, mining, smelts

Question 12

Mercury

Answer 12

Artisanal gold mining