7/25/12 - NOTICE OF DETERMINATION ISSUED. IN A FEB 18, 2011, LETTER TO EPA, USI DISCLOSED VIOLATIONS OF EPCRA 312. SPECIFICALLY, USI DISCLOSED THAT IT HAD FAILED TO FILE TIER II REPORTS FOR 2009 FOR CHEMICALS PRESENT AT ITS SARDIS, MS, FACILITY IN AMOUNTS GREATER THAN THE 10,000 REPOTING THRESHOLDS FOR HYDRAULIC OIL, POLYPROPYLENE PELLETS, POLYETHYLENE PELLETS AND CALCIUM CARBONATE. USI FILED THE 2009 TIER II REPORTS ON FEB 18, 2011.