Notes and Sources

[11]Federal Register, Vol. 70, No. 91 (May 12, 2005), 40 CFR Parts 51, 72, 73, 74, 77, 78, and 96.

[12]U.S. Environmental Protection Agency, “Clean Air In-terstate Rule,” web site www.epa.gov/cair.

[13]States are required to meet both seasonal and annual NOx caps. The SO2 caps are annual only.

[14]Federal Register, Vol. 70, No. 95 (May 18, 2005), 40 CFR Parts 60, 72, and 75.