40 CFR § 62.14540
When must I complete each increment of progress?
June 9, 2020
If you plan to come into compliance after October 4, 2004, you must meet the two increments of progress specified in paragraphs (a) and (b) of this section.
(a) Increment 1. Submit a final control plan by April 5, 2004.
(b) Increment 2. Reach final compliance by October 3, 2005.