---
kind: "section"
citation: "40 C.F.R. § 63.1083"
title: "40"
number: "63.1083"
heading: "Does this subpart apply to my heat exchange system?"
url: "https://uscodex.org/cfr/40/63.1083"
---

# §63.1083. Does this subpart apply to my heat exchange system?


The provisions of this subpart apply to your heat exchange system if you own or operate an ethylene production unit expressly referenced to this subpart XX from [subpart YY](/cfr/40/subpartYY.md) of this part. The provisions of [subpart A](/cfr/40/subpartA.md) (General Provisions) of this part do not apply to this subpart except as specified in [subpart YY](/cfr/40/subpartYY.md) of this part.


## Notes

### Source

Source: 67 FR 46271, July 12, 2002, unless otherwise noted.

### Authority

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

### Source

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