CFR 40-63.1251-2014 Protection of Environment. Part63:National emission standards for hazardous air pollutants for source categories (continued). Section63.1251:Definitions.
Terms used in this subpart are de-fined in the Act, in subpart A of this part, or in this section. If the same term is defined in subpart A of this part and in this section, it shall have the meaning given in this section for the purposes of this subpart.
CFR 40-63.1251-2014 history
2014CFR 40-63.1251-2014 Protection of Environment. Part63:National emission standards for hazardous air pollutants for source categories (continued). Section63.1251:Definitions.