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