TPO coating

Thermoplastic olefin (TPO) coating means any coating operation in which the coatings are components of a system of coatings applied to a TPO substrate, including adhesion promoters, primers, color coatings, clear coatings and topcoats. Thermoplastic olefin coating does not include the coating of TPO substrates on assembled on-road vehicles.

Source

40 CFR § 63.4581

---

Scoping language

Terms used in this subpart are defined in the CAA, in 40 CFR 63.2, and in this section as follows:

---

Is this correct? or