MILPRINT, INCORPORATED OPERATES A MAJOR SOURCE OF VOLATILE ORGANIC COMPOUNDS (VOC'S) IN A NONATTAINMENT AREA FOR OZONE AND IS IN VIOLATION OF THE FEDERALLY ENFORCEABLE WISCONSIN STATE IMPLEMENTATION PLAN (SIP) FOR VOC'S. BACKGROUND AND NATURE OF THE CASE MILPRINT, INCORPORATED OPERATES A ROTOGRAVURE PRINTING PLANT IN MILWAUKEE, WISCONSIN. THE PLANT PRINTS PACKAGING MATERIAL FOR CONSUMER PRODUCTS. ON JULY 24, 1985, REGION V ISSUED A NOTICE OF VIOLATION TO MILPRINT FOR EMITTING VOC'S INTO AMBIENT AIR IN VIOLATION OF THE APPLICABLE WISCONSIN SIP. THE MILWAUKEE AREA IS DESIGNATED NONATTAINMENT FOR OZONE. THE APPLICABLE PART OF THE SIP IS N4 154.13(4)(1), LIMITING EMISSIONS OF VOC'S FROM ROTOGRAVURE PRESSES. VIOLATIONS OF THE SIP WERE CALCULATED USING EMISSION DATA SUBMITTED BY MILPRINT IN RESPONSE TO A SECTION 114 LETTER ISSUED ON JANUARY 2, 1985. IN ADDITION, THE PLANT WAS IN- SPECTED IN FEBRUARY OF 1985. CAUSE OF ACTION THE MILPRINT ROTOGRAVURE PLANT'S EMISSIONS ARE IN VIOLATION OF THE WISCONSIN SIP AND, BECAUSE IT IS A MAJOR SOURCE, U.S. EPA IS REQUIRED TO BRING SUIT TO ABATE THE VIOLATIONS AND RECOVER CIVIL PENALTIES, UNDER SECTION 113 OF THE CLEAN AIR ACT, 42 U.S.C. SECTION 7413. PROPOSED REMEDY IN ORDER TO ACHIEVE COMPLIANCE WI