Federal Regulations and Regulatory Trends
1- The political concept of ?states? rights? was overcome in the establishment of federal control of air pollution. Describe the principle of ?states? rights? and why it was necessary to establish federal control of air pollution.
2- The SO2 level of one section of a state is much below the national air quality standard. A large electric utility has proposed to build a coal-burning plant in the region without any SO2 control equipment. It has been determined that even with the discharge from the proposed plant, the SO2 level in the region will still be below the national air quality standard. Could the plant be built without controls under the current regulatory requirements? Explain.
3- A newly constructed power plant proposes to burn coal with a heating value of 10,500 Btu/lb. If the percent sulfur by weight in the coal is 0.5 percent, determine the efficiency required to meet the NSPS (Table 2-3).
4- A power plant burns 150 U.S. short tons of coal per day, and there are 18.2 lb. of flue gas produced per pound of coal. The sulfur content of the coal is 2.0 percent and the molar mass (molecular weight) of the flue gas is 30.5. If all the sulfur in the coal appears as SO2 in the flue gas, what is the concentration of SO2 in the flue gas in parts per million?
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