Increments of progress

Increments of progress means steps toward compliance which will be taken by a specific source, including:
(1) Date of submittal of the source's final control plan to the appropriate air pollution control agency;
(2) Date by which contracts for emission control systems or process modifications will be awarded; or date by which orders will be issued for the purchase of component parts to accomplish emission control or process modification;
(3) Date of initiation of on-site construction or installation of emission control equipment or process change;
(4) Date by which on-site construction or installation of emission control equipment or process modification is to be completed; and
(5) Date by which final compliance is to be achieved.

Source

40 CFR § 51.100


Scoping language

As used in this part, all terms not defined herein will have the meaning given them in the Act:

Is this correct? or