---
kind: "section"
citation: "40 C.F.R. § 63.1340"
title: "40"
number: "63.1340"
heading: "What parts of my plant does this subpart cover?"
url: "https://uscodex.org/cfr/40/63.1340"
---

# §63.1340. What parts of my plant does this subpart cover?

- (a) The provisions of this subpart apply to each new and existing portland cement plant which is a major source or an area source as defined in [§ 63.2](/cfr/40/63.2.md).
- (b) **The affected sources subject to this subpart are—**
  - (1) Each kiln including alkali bypasses and inline coal mills, except for kilns that burn hazardous waste and are subject to and regulated under subpart EEE of this part;
  - (2) Each clinker cooler at any portland cement plant;
  - (3) Each raw mill at any portland cement plant;
  - (4) Each finish mill at any portland cement plant;
  - (5) Each raw material dryer at any portland cement plant;
  - (6) Each raw material, clinker, or finished product storage bin at any portland cement plant that is a major source;
  - (7) Each conveying system transfer point including those associated with coal preparation used to convey coal from the mill to the kiln at any portland cement plant that is a major source;
  - (8) Each bagging and bulk loading and unloading system at any portland cement plant that is a major source; and
  - (9) **Each open clinker storage pile at any portland cement plant.**
- (c) Onsite sources that are subject to standards for nonmetallic mineral processing plants in [subpart OOO](/cfr/40/subpartOOO.md), [part 60](/cfr/40/part60.md) of this chapter are not subject to this subpart. Crushers are not covered by this subpart regardless of their location.
- (d) If you are subject to any of the provisions of this subpart you are also subject to title V permitting requirements.

## Notes

### Amendments

[75 FR 55051, Sept. 9, 2010, as amended at 78 FR 10036, Feb. 12, 2013]

### Source

Source: 64 FR 31925, June 14, 1999, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Source

Source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.

### Amendments

[75 FR 55051, Sept. 9, 2010, as amended at 78 FR 10036, Feb. 12, 2013]