LOUISIANA-PACIFIC CORPORATION (LP) OWNS AND OPERATES NUMEROUS WOOD PROCESSING AND PRODUCET MANUFACTURING FACILITIES THROUGHOUT THE U.S., INCLUDING THE 4 FACILITIES THAT ARE THE SUBJECT OF THIS LITIGATION REPORT. FOLLOWING SEVERAL YEARS OF LITIGATION IN REGION V AND VIII, A CITIZEN COMPLAINT FROM REGION IV, AND GROWING AWARENESS WITHIN EPA OF A PATTERN OF VIOLATIONS AND PROBLEMS AT SEVERAL OF LP'S PLANTS, EPA'S OFFICE OF AIR AND RADIATION DECIDED TO SUBJECT LP TO A COMPLIANCE CHECK. THIS WAS ACCOMPLISHED THROUGH LETTERS SENT TO LP UNDER THE AUTHORITY OF SECTION 114 OF THE CAA. IN ADDITION TO REQUESTING SPECIFIC DOCUMENTS AND INFORMATION FROM LP, THE SECTION 114 LETTERS REQUIRED LP TO CONDUCT COMPLIANCE TESTING AT A NUMBER OF ITS ORIENTED STRAND BOARD (OSB) FACILITIES, INCLUDING THREE IN TEXAS (NEW WAVERLY, SILSBEE, AND CORRIGAN) AND ONE IN LOUISIANA (URANIA). * EVALUATION OF INFORMATION OBTAINED FROM LP'S RESPONSES TO THE SECTION 114 LETTERS, EVIDENCE OBTAINED FROM STATE FILES, AND THE RESULTS OBTAINED FROM THE ABOVE- REFERENCED COMPLIANCE TESTING CONDUCTED IN FEBRUARY- APRIL 1992 INDICATES THAT ALL FOUR OF THE OSB FACILITIES THAT ARE THE SUBJECT OF THIS LITIGATION REPORT HAVE VIOLATED THE CAA. IN PA