F47486 I31T4Federal RegisterT1 / Vol. 58, No. 221 / Thursday, November 18, 1993 / Contents I01Vol. 58, No. 221 I02Thursday, November 18, 1993 I90EPA I10Environmental Protection Agency I11PROPOSED RULES I33Clean Air Act: I14Acid rain program allowance system; substitution and reduced utilization plans, 60950 I33Superfund: I34National oil and hazardous substances contingency plan_ I15National priorities list update, 60825 I33Toxic substances: I34Polychlorinated biphenyls (PCBs)_ I15Reclassification of PCB and PCB-contaminated transformers, 60970 I11NOTICES I33Drinking water: I34Public water supply supervision program_ I15Connecticut, 60855 I15Rhode Island, 60855 I13I19 I10Part V I13Environmental Protection Agency, 60950 I10Part VI I13Environmental Protection Agency, 60970 I13I19