§ 63.11400 Am I subject to this subpart?

(a) You are subject to this subpart if you own or operate a carbon black production facility that is an area source of hazardous air pollutant (HAP) emissions.

(b) This subpart applies to each new or existing affected source. The affected source is each carbon black production process unit. The affected source includes all waste management units, maintenance wastewater, and equipment components that contain or contact HAP that are associated with the carbon black production process unit.