Tunnel kiln

Tunnel kiln means any continuous kiln that is not a roller kiln that is used to fire clay ceramics. In the clay ceramics source category, tunnel kilns are used at sanitaryware manufacturing plants.

Source

40 CFR § 63.8665

---

Scoping language

Terms used in this subpart are defined in the Clean Air Act, in 63.2, and in this section as follows:

---

Is this correct? or