CAA DEGREASER CASE 9/15/98: NATIONAL EMISSION STANDARDS FOR HARZARDOUS AIR POLLUTANTS ( NESHAPS ) ARE SET FORTH AT 40 C.F.R. PART 63, SUBPART T. ON DECEMBER 2, 1997, THESE STANDARDS/REQUIRE- MENTS BECAME EFFECTIVE FOR OWNERS AND OPERATORS OF CERTAIN VAPOR AND COLD SOLVENT CLEANING MACHINES. BRUSH WELLMAN, INC. ( BRUSH WELLMAN ) OWNS AND OPERATES A FACILITY THAT HAS AMONG ITS SOURCES, AN EXISTING BATCH VAPOR CLEANING MACHINE THAT USES PERCHLOROETHYLENE AS A CLEANING OR DRYING AGENT (A PCE DEGREASER). BRUSH WELLMAN'S PCE DEGREASER IS SUBJECT TO THE NESHAP REQUIREMENTS. THE BRUSH WELLMAN FACILITY WAS UNABLE TO COME INTO COMPLIANCE WITH NESHAPS BY THE REQUIRED DATE DUE TO THE FACT THAT IT HAD PENDING A PURCHASE ORDER (8/22/94) FOR CARBON DIOXIDE DENSE FLUIED DEGREASER (C02) DEGREASER) THAT WAS INTENDED TO REPLACE THE PCE DEGREASER. BY THE PRESENT ORDER BRUSH WELLMAN AGREES TO INSTALL CERTAIN NON-ABSORBENT SLINGS AND A CONTINUOUS PRECISION LIQUID LEVEL TRANSMITTER ON THE PCE DEGREASER BY APRIL 2, 1998, INSTALL C02 DEGREASER AS PARTIAL REPLACEMENT OF THE PCE DEGREASER BY AUGUST 1, 1998, CALCULATE EMISSIONS FOR THE PCE DEGREASER, MEET ALL COMPLIANCE REQUIREMENTS FOR BOTH DEGREASERS BY AUGUST 2, 1998, AND THEREAFTER MAINTAIN COMPLIANCE.