A & O Science 2: Air Pollution
Terms
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- What pollutatnts did Arie Haagen-Smit look at in his study?
- Oxides of Nitrogen and Reactive Organic Gasses
- Another name for reactive organic gasses (ROG) is:
- Volatile organic gasses
- What oxidizes nitric oxide into nitrogen dioxide in photochemical smog?
- Alkyl Peroxy radicals
- Leftover alkoxy radicals create:
- peroxyacetyl nitrate (PAN)
- What are the 3 size distribution for aerosol particles?
-
nucleation .1nm
accumulation 1-2 nm
coarse >2nm - Aerosol particles are removed in the air by:
- wet deposition, dry deposition, sedimentation
- What is the name of a certain black mold that is most harmful to humans?
- stachybotrys
- what is an ozone destruction catalyst that originates within the soil?
- Atomic Bromine
- What are the 2 types of skin cancer?
- Basal cell carcinoma and melanoma. Melinoma isn't caused by exposure to sunlight.
- In order for the greenhouse effect to take place, Earth must transmit___________ and absorb_________.
- visible radiation;infrared radiation
- This researcher discovered that automotive emissions were a source of smog in Los Angeles.
- Arie Haagen-Smit
- in order for ozone to build up, _________ must be present
- Reactive organic gasses
- In the SCAB, ozone concentrations are highest in the___________________
- Inland Empire
- In SCAB, CO concentrations are highest in the________________
- Costal PLains
- What is a label that describes the level or degree of quality of the air?
- criterion
- What is the AQI?
- air Quality Index
- What constitutes a stage-1 alert for ozone?
- 200
- What constitutes a federal clean air standard violation?
- 100
- Most of the aerosol mass in the LA region is composed of_____
- Sea salt
- This compound is outgassed by building materials
- Formaldehyde
- Name the respiratory deseases
-
Bronchitis-broncheal tubes
Pulmonary Emphysems- destruction of alveoli
-Silicosis - What does CO attach to and create?
- Hemoglobin; Carboxyhemoglobin
- Name 2 heavy metals
- Lead; mercury
- This anthropogenic source produces both methane and nitrous oxide
- Agriculture
- What particles and rays cause mutations?
- Alpha and beta particels and gamma rays.
- What is acute exposure?
- short term, intense
- What is chronic exposure?
- long term; low-level. Cancer
- If an AQMP fails, what happens?
- Redesign control measures.
- what is the difference between a criterion and a standard?
- a criterion tells qualitative measures like "good" A standard is a measure that tells if a current condition is acceptible.
- What are the 2 types of response curves?
- Binary response curve; sigmund response curve
- Peak levels of carbon monoxide occur in the SCAB during the _____ season. This would be a good time to use __________additives in gasoline in order to reduce emmissions of carbon monoxide.
- Winter;oxygenation
- ____________can be used instead of gasoline as fuel for automobiles andtrucks to reduce Reactive orgnic gasses.
- compressed natural gas
- What are the 4 growth processes for aerosols?
-
coagulation-2 particles stick
solid precipitation-solids drift off
condensation-particles change to a solid or liquid on contact
dissolution-particles get absorbed - When gas molecules stick together to form clusters and eventually get big enough to create an aerosol.
- homogenous nucleation
- Name all the sources of aerosols.
-
-Sea spray
-Soil Dust
-Volcanic Eruption
-Biomass and Fossil Fuel burning
-Industrial sources
-Homogenous nucleation - Which UV ray is involved in the production of ozone in the ozone later?
- UV-C
- What is the ozone layer null cycle called?
- Chapman Cycle
- Which UV ray is involved in the destruction of ozone in the ozone layer?
- UV-B
- A HEPA filter cna filter particles up to ________diameter
- 0.3 um
- A ULPA filter can filter particles up to ________diameter
- 0.12 um
- What is electrostatic precipitation?
- ionizer charges particles and the particles stick to a oppositely charged surface.
- Air Swirls and get filtered by impactation
- Cyclone seperator
- When the middle and lower respiratory system are inflamed, a person may be suffering from________
- Bronchitis
- How do you measure ozone? What are the dimensions?
- Dobson Unit; 1cm^2