NATURE OF THE CASE: NL INDUSTRIES VIOLATED PROVISIONS OF THE CONSENT DECREE ENTERED IN THE DISTRICT OF NJ ON 7/22/80 BETWEEN THE US, THE STATE OF NJ, AND NL INDUSTRIES, INC. (CIVIL NO. 80-1015). UNDER THAT DECREE, NL WAS, INTER ALIA, REQUIRED TO REDUCE SULFUR DIOXIDE AND PARTICULATE EMISSIONS FROM CALCINERS BY UPGRADING GAS CLEANING SYSTEMS AT THE CO'S SAYREVILLE, NJ FACILITY. NL WAS REQUIRED TO DEMONSTRATE BY NLT 11/30/80 THAT THE EMISSIONS FROM ALL GAS CLEANING SYSTEMS WERE IN COMPLIANCE WITH THE PARTICULATE AND SULFUR DIOXIDE STANDARDS IN THE NJ STATE IMPLEMENTATION PLAN (TITLE 7, CHAPTER 27, SECTIONS 6.2 AND 7.2 OF THE N.J.A.C.). NL WAS OBLIGATED THEREAFTER TO OPERATE IN COMPLIANCE WITH THESE REGULATIONS. NL DID NOT MAKE THE REQUIRED COMPLIANCE DEMONSTRATION BY THE NOV. 1980 DEADLINE, AND IT OPERATED GAS CLEANING SYSTEMS #1 AND #5 IN AN UNAUTHORIZED MANNER FOR EXTENDED PERIODS BE- TWEEN MAY AND NOV. 1981 WITHOUT HAVING ESTABLISHED COMPLI- ANCE. PROPOSED REMEDY: EPA REGION 2, NJ AND NL REACHED AGREEMENT ON THE GEN- ERAL TERMS OF A CONSENT ORDER TO RESOLVE THIS MATTER. UNDER THE ORDER, NL IS TO PAY $28,500.00 TO EPA AND $16,500.00 TO NJ IN EXCHANGE FOR A RELEASE FOR ANY VIOLATIONS OF THE KEY PROVISIONS OF THE 1980 CONSENT DECREE OCCURRING IN 1981 OR EARLIER. REGION 2'S RECOMMENDATION OF TH