REGION V HAS OBJECTED TO OPEA'S ISSUANCE TO KOBE STEEL OF A CONSTRUCTION PERMIT FOR A MODIFICATION TO ITS MAJOR STATIONARY SOURCE. KOBE'S LOCATED IN N.A. AND ATTAINMENT AREA FOR SEVERAL POLLUTANT. WE THINK THE MODIFICATION MAY TRIGGER PSD OR NON-ATTAINMENT REVIEW UNDER THE CAA. ON 8/14/91, WE SENT KOBE A 114 LETTER REQUESTING INFORMATION. OEPA PLANS TO ISSUE A PERMIT IN SPITE OF OUR OBJECTIONS. USS/KOBE COMMENCED CONSTRUCTION OF A MODIFICATION TO BLAST FURNACE #3 AT ITS LORAIN, OHIO FACILITY WITHOUT APPROPRIATE PSD/NSR PERMITS.