¹ Units regulated under Phase I of the Acid Rain Program are subject to rules regarding utilization. Check the EPA Web site (http://www.epa.gov/acidrain) for more details.

² The ratios and interest rates provided in this chapter are illustrative of those found in emissions trading markets. However, actual ratios and rates are set by the market and change regularly. Market participants wishing to receive up-to-date information on ratios and rates should consult their emissions market information resources, such as published indexes or brokers.