a. NAAQS were established for six principal pollutants. Describe each and give examples of each applicable pollutant. (10 points)
The National Ambient Air Quality Standards (NAAQS) were established in order to cope with six principal pollutants. The pollutants can be described as follows:
1. Carbon Monoxide (CO) – This is a pollutant that is in the form of an urban smog. It is more often perceived in different regions such as California and also in Lake Michigan
2. Nitrogen Dioxide – this is an emission that comes from engines
3. Particulate Matter – this is a pollutant that is usually found in smoke, soot, dust, and soil
4. Lead – Despite the fact that this is of the six principle pollutants, lead has been discontinued and reduced by the EPA from the 80s period. An example of lead includes lead that is found in gasoline and also in products such as paints.
5. Sulphur Dioxide - this is a pollutant that is emitted from the combustion of fossil fuels, in industrial facilities, and in power plants. In addition, the pollutant can be obtained in very small amounts when metal is extracted from ore.
6. Ozone – Ozone is an emission from industrial facilities, chemical solvents, exhaust pipes of motor vehicles and electrical utilities.
b. In Hepburn’s Speed Model, the coefficients of vehicles are indicated for C and D. As the chief of operations in your...
References
Sinha, K., & Labi, S. (2007). Transportation decision making principles of project evaluation and programming. Hoboken, N.J.: John Wiley.
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