COMPLAINT ISSUED TO COUNTY OWNER OF LANDFILL. RESPONDENT FILED MOTION FOR ACCELERATED DECISION, WHICH WAS DENIED. ADMINISTRATIVE HEARING HELD APRIL 21-23, 1991. ALJ DISMISSED CASE, BEFORE RULING ON THE MERITS, ON JULY 10, 1992, BASED ON D.C. CIRCUIT'S INVALIDATION OF MIXTURE RULE IN SHELL OIL CO. V EPA. EPA APPEALED AND ORAL ARGUEMENT HELD; CASE REMANDED TO ALJ BY THE ENVIRONMENTAL APPEALS BOARD. ON REMAND, EPA FILED MOTION FOR LEAVE TO FILE AMENDED COMPLAINT, TO ALLEGE STATE LAW FOR PERIODS OF THE VIOLATIONS. ALJ DENIED MOTION FOR LEAVE TO FILE AMENDED COMPLAINT; EPA IS PREPARING APPEAL.