THE AGENCY ALLEGES THAT ADDISON PRODUCTS CO. PRODUCES F006 WASTES FROM AN ELECTROPLATING OPERATION BECAUSE THE ZINC PHOSPHATING OPERATION THAT IS A PART OF ADDISON'S PROCESS IS WITHIN THE F006 CATEGORY DEFINED AT 40 CFR 261.31. ADDISON BELIEVES IT IS NOT WITHIN THE F006 CATE- GORY.