WORLD COLOR PRESS CONSTRUCTED A NUMBER OF OFFSET PRINTING PRESSES, WHICH WERE MAJOR MODIFICATIONS TO MAJOR STATIONARY SOURCES, AT ITS MT. VERNON AND SPARTA PLANTS W/O FIRST OB- TAINING CONSTRUCTION PERMITS PURSUANT TO THE PSD REGULATIONS WORLD COLOR PRESS OPERATED OFFSET PRINTING PRESSES AT ITS SALEM PLANT WITHOUT INSTALLING POLLUTION CONTROL EQUIPMENT, IN VIOLATION OF CONSTRUCTION PERMIT C801000. WORLD PRESS CONTINUES TO OPERATE THE PRESSES AT ALL THREE PLANTS WITH- OUT EFFECTIVE CONSTRUCTION OR OPERATING PERMITS.