Section 415 ILCS 5/9.2 - Sulfur dioxide emission standards(b) In granting any alternative emission standard or variance relating to sulfur dioxide emissions from a coal-burning stationary source, the Board may require the use of Illinois coal as a condition of such alternative standard or variance, provided that the Board determines that Illinois coal of the proper quality is available and competitive in price; such determination shall include consideration of the cost of pollution control equipment and the economic impact on the Illinois coal mining industry.P.A. 84-585; 92-574, eff. 6/26/2002.