CONTROL REQUIREMENTS SCHEDULE

Date Construction, Modification or Reconstruction Commenced Facility Description Prior to 1/1/84 After 1/1/84 Facility located in Minneapolis-Saint Paul Air Quality Control Region or located in a city with a population of 7,500 or more or with annual commodity throughput of more than 180,000 tons Control required Control required Facility with annual commodity throughput of 120,000 to 180,000 tons and located in a city with a population of less than 7,500 No control required Control required Facility with annual commodity throughput and location other than those described above No control required No control required