FAILURE TO MAKE THE REQUIRED DETERMINATION OF WHETHER ITS SOLID WASTES WERE HAZARDOUS WASTES. FAILURE TO DATE AND MARK SUCH DRUMS OF HAZARDOUS WASTE FAILURE TO MANAGE SUCH HAZARDOUS WASTE IN CONTAINERS IN GOOD CONDITION IN SUCH A WAY AS TO PREVENT LEAKS. FAILURE TO PERFORM THE REQUIRED PERSONNEL TRAINING, PREPAREDNESS AND PREVENTION, AND CONTIGENCY PLAN AND EMERGENCY PROCEDURES STEPS. STORAGE OF HAZARDOUS WASTE IN ITS DRUMS AND CONTAINERS AT THE CASPER FACILITY FOR LONGER THAN 90 DAYS WITHOUT A PERMIT OR INTERIM STATUS.