    Sentence 7: Under the default. method,... eighty  percent of the’ total amount. of sulfur dioxide  allowances. available. for: allocation, each. year) will be  allocated. to. Acid. Rain. Program units with coal..as  their. primary. or secondary’ fuel..or residual. ofl .as  their..primary: fuel, listed in. the | Administrator's  Emissions Scorecard 2000;Appendix B. (2000  Data for S02, NOx, COz, Heat) Input, and  Other. Raramerers), Taba B1 (All. 2000. Data for  Alll Units).    Sentence 2: 80% of the sulfur dioxide: allowance: for  ach year és in the Acid. Rain Program,