WILLAMETTE INDUSTRIES EXPANDED ITS PAPER MILL IN JOHNSBURG, PA WITHOUT APPLYING FOR AND RECEIVING PSD PERMITS REQUIRED UNDER THE CLEAN AIR ACT. WILLAMETTE OPERATED ITS PLANT IN EXCESS OF PRODUCTION LIMITS SPECIFIED IN FEDERALLY ENFORCEABLE STATE PERMITS, AND USED FUEL IN POWER BOILERS WITH A SULFUR CONTENT HIGHER THAN THAT ALLOWED IN PERMIT. ALSO, WILLAMETTE OPERATED POWER BOILERS IN VIOLATION OF NEW SOURCE PERFORMANCE STANDARD APPLICABLE TO POWER BOILERS USED IN GENERATION & SALE OF ELECTRICITY INCLUDING FAILURE TO CONDUCT PERFORMANCE TESTS, INSTALL EMISSIONS MONITORS, AND REPORT EXCEEDANCE OF STANDARDS.