WILLAMETTE INDUSTRIES, INC. (WILLAMETTE) OPERATES A 470 MILLION BRITISHTHERMAL UNIT (BTU)/HOUR BOILER (BOILER) THAT BURNS WOOD WASTE AND BARKAS A PART OF A KRAFT PULP MILL IN MARLBORO COUNTY, SOUTH CAROLINA. FROMJUNE 7, 1991, TO APRIL 16, 1993, THE PARTICULATE MATTER EMISSIONS FROMTHE BOILER EXCEEDED THE PERMITTED LIMIT SET PURSUANT TO THE PREVENTIONOF SIGNIFICANT DETERIORATION (PSD) STANDARDS SET FORTH IN THE SOUTHCAROLINA STATE IMPLEMENTATION PLAN (SIP). FOR THREE PERIODS OF TIMEFROM JUNE 7, 1991, TO THE PRESENT, THE PARTICULATE MATTER EMISSIONS FROMTHE BOILER ALSO EXCEEDED THE LIMIT ESTABLISHED BY THE APPLICABLE FEDERALNEW SOURCE PERFORMANCE STANDARDS (NSPS). IN THIS CASE, REGION IV SEEKSTO ENJOIN WILLAMETTE FROM OPERATING THE BOILER EXCEPT IN COMPLIANCE WITHTHESE LIMITS AND SEEKS A SUBSTANTIAL CIVIL PENALTY.