|  |   | R 77-010 ( Closed Docket) / R 83-006 Docket B Order 05/05/83 
                IN THE MATTER OF: PROPOSED AMENDMENTS TO CHAPTER 4 OF THE REGULATIONS OF THE ILLINOIS POLLUTION CONTROL BOARD / IN THE MATTER OF: PROPOSED AMENDMENTS TO TITLE 35, SUBTITLE D:  MINE RELATED POLLUTION, CHAPTER 1, PARTS 405 AND 406
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