(a) You are subject to this subpart if you own or operate a CISWI unit as defined in § 62.14840 and the CISWI unit meets the criteria described in paragraphs (a)(1) through (a)(3) of this section.

(1) Construction of your CISWI unit commenced on or before November 30, 1999.

(2) Your CISWI unit is not exempt under § 62.14525.

(3) Your CISWI unit is not regulated by an EPA approved and currently effective State or Tribal plan, or your CISWI unit is located in any State whose approved State or Tribal plan is subsequently vacated in whole or in part.

(b) If you made changes after June 1, 2001 that meet the definition of modification or reconstruction after promulgation of the final 40 CFR part 60 subpart CCCC (New Source Performance Standards for Commercial and Industrial Solid Waste Incineration Units), your CISWI unit is subject to subpart CCCC of 40 CFR part 60 and this subpart no longer applies to that unit.

(c) If you make physical or operational changes to your existing CISWI unit primarily to comply with this subpart, then such changes do not qualify as modifications or reconstructions under subpart CCCC of 40 CFR part 60.