CIVIL REFERRAL AGAINST DINAGRAPHICS, INC., NORWOOD, OHIO DINAGRAPHICS IS A MAJOR SOURCE OF VOLATILE ORGANIC COM- POUNDS, IN VIOLATION OF APPLICABLE OHIO REGULATIONS AP- PROVED AND ENFORCEABLE UNDER THE CLAIN AIR ACT. NATURE OF THE CASE DINAGRAPHICS, A DELAWARE CORPORATION, OWNS AND OPER- ATES A PLANT IN NORWOOD, OHIO, WHICH MANUFACTURES ROTO- GRAVURE-PRINTED PAPER AND FOIL LABELS FOR THE PACKAGING INDUSTRY. THE ROTOGRAVURE PRINTING OPERATIONS ENTAIL THE USE OF SOLVENT-BASED INKS AND LACQUERS. AFTER THE INKS AND LACQUERS ARE APPLIED TO THE PAPER OR FOIL SUBSTRATE, HEATED AIR IS USED TO DRY THE SUBSTRATE AND EVAPORATE THE SOLVENTS. THE HEATED AIR, CONTAINING VOLATILE ORGANIC COMPOUNDS (VOC'S) IS VENTED, UNCONTROLLED, TO THE ATMOS- PHERE. ON SEPTEMBER 5, 1984, REGION V ISSUED A NOTICE OF VIOLATION TO DINAGRAPHICS FOR GENERATING VOC'S IN EXCESS OF THE LIMITS PERMISSIBLE IN THE FEDERALLY-APPROVED OHIO SIP REGULATION OAC 3745-21-09(Y), COVERING PACKAGING ROTO- GRAVURE PRINTING LINES. DINAGRAPHICS ACTUALLY EMITTED IN 1983, 555 TONS ON VOC'S. UNDER THE OHIO RULW, DEPENDING ON THE CONTROL METHOD USED, ALLOWABLE VOC EMISSIONS WOULD RANGE FROM 57.5 TONS TO 205 TONS PER YEAR. THE GREATER CINCINNATI AREA, INCLUDING NORWOOD, IS A PRIMARY NONATTAIN- MENT AREA FOR OZONE. CAUSE OF ACTION