Section 73.19 - Certain units with declining SO[2] rates(a)Eligibility. A unit is eligible for allowance allocations under this section if it meets the following requirements: (1) It is an existing unit that is a utility unit;(2) It serves a generator with nameplate capacity equal to or greater than 75 MWe;(3) Its 1985 actual SO2 emissions rate was equal to or greater than 1.2 lb/mmBtu;(4) Its 1990 actual SO2 emissions rate is at least 50 percent less than the lesser of its 1980 actual or allowable SO2 emissions rate;(5) Its actual SO2 emission rate is less than 1.2 lb/mmBtu in any one calendar year from 1996 through 1999, as reported under part 75 of this chapter;(6) It commenced commercial operation after January 1, 1970;(7) It is part of a utility system whose combined commercial and industrial kilowatt-hour sales increased more than 20 percent between calendar years 1980 and 1990; and(8) It is part of a utility system whose company-wide fossil-fuel SO2 emissions rate declined 40 percent or more from 1980 to 1988.58 FR 15710, Mar. 23, 1993, as amended at 63 FR 51765, Sept. 28, 1998