SAN DIEGO COUNTY AIR POLLUTION CONTROL DISTRICT
RULE 260.120 - APPLICABILITY AND DESIGNATION OF AFFECTED FACILITY
The provisions of this subpart are applicable to the following affected facilities in secondary lead smelters which
commenced construction, reconstruction, or modification after June 11, 1973: pot furnaces of more than 250 kg (550
lb) charging capacity, blast (cupola) furnaces, and reverberatory furnaces.