(a) This subpart applies to each new, reconstructed, or existing affected source at your friction materials manufacturing facility.

(b) The affected source covered by this subpart is each new, reconstructed, or existing solvent mixer (as defined in § 63.9565) at your friction materials manufacturing facility.

(c) A solvent mixer at your friction materials manufacturing facility is new if you commence construction of the solvent mixer after October 18, 2002. An affected source is reconstructed if it meets the definition of “reconstruction” in § 63.2, and reconstruction is commenced after October 18, 2002.

(d) A solvent mixer at your friction materials manufacturing facility is existing if it is not new or reconstructed.