---
kind: "section"
citation: "40 C.F.R. § 61.110"
title: "40"
number: "61.110"
heading: "Applicability and designation of sources."
url: "https://uscodex.org/cfr/40/61.110"
---

# §61.110. Applicability and designation of sources.

- (a) The provisions of this subpart apply to each of the following sources that are intended to operate in benzene service: pumps, compressors, pressure relief devices, sampling connection systems, open-ended valves or lines, valves, connectors, surge control vessels, bottoms receivers, and control devices or systems required by this subpart.
- (b) **The provisions of this subpart do not apply to sources located in coke by-product plants.**
- (c)
  - (1) If an owner or operator applies for one of the exemptions in this paragraph, then the owner or operator shall maintain records as required in [§ 61.246(i)](/cfr/40/61.246.md?p=i).
  - (2) Any equipment in benzene service that is located at a plant site designed to produce or use less than 1,000 megagrams (1,102 tons) of benzene per year is exempt from the requirements of [§ 61.112](/cfr/40/61.112.md).
  - (3) Any process unit (defined in [§ 61.241](/cfr/40/61.241.md)) that has no equipment in benzene service is exempt from the requirements of [§ 61.112](/cfr/40/61.112.md).
- (d) While the provisions of this subpart are effective, a source to which this subpart applies that is also subject to the provisions of [40 CFR part 60](/cfr/40/part60.md) only will be required to comply with the provisions of this subpart.

## Notes

### Amendments

[49 FR 23513, June 6, 1984, as amended at 65 FR 62156, Oct. 17, 2000; 65 FR 78280, Dec. 14, 2000]

### Source

Source: 49 FR 23513, June 6, 1984, unless otherwise noted.

### Authority

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

### Source

Source: 38 FR 8826, Apr. 6, 1973, unless otherwise noted.

### Amendments

[49 FR 23513, June 6, 1984, as amended at 65 FR 62156, Oct. 17, 2000; 65 FR 78280, Dec. 14, 2000]