---
kind: "section"
citation: "40 C.F.R. § 63.7918"
title: "40"
number: "63.7918"
heading: "How do I demonstrate continuous compliance with the emissions limitations and work practice standards for transfer systems?"
url: "https://uscodex.org/cfr/40/63.7918"
---

# §63.7918. How do I demonstrate continuous compliance with the emissions limitations and work practice standards for transfer systems?

- (a) You must demonstrate continuous compliance with the emissions limitations and work practice standards in [§ 63.7915](/cfr/40/63.7915.md) applicable to your affected transfer system by meeting the requirements in [paragraphs (b) through (e)](#b..e) of this section as applicable to your transfer systems.
- (b) You must demonstrate continuous compliance for each individual drain system using controls according to [§ 63.7915(b)](/cfr/40/63.7915.md?p=b) by meeting the requirements in [paragraphs (b)(1) through (5)](#b-1..b-5) of this section.
  - (1) Operating and maintaining the air emission controls for individual drain systems according to the requirements in [§ 63.962](/cfr/40/63.962.md).
  - (2) Visually inspecting each individual drain system at least annually according to the requirements in [§ 63.964(a)](/cfr/40/63.964.md?p=a).
  - (3) Repairing defects according to the requirements in [§ 63.964(b)](/cfr/40/63.964.md?p=b).
  - (4) Recording the information specified in [§ 63.965(a)](/cfr/40/63.965.md?p=a).
  - (5) Keeping records to document compliance with the requirements of this subpart according to the requirements in [§ 63.7952](/cfr/40/63.7952.md).
- (c) You must demonstrate continuous compliance for each transfer system using covers according to [§ 63.7915(c)(1)](/cfr/40/63.7915.md?p=c-1) by meeting the requirements in [paragraphs (c)(1) through (4)](#c-1..c-4) of this section.
  - (1) Operating and maintaining each cover and its closure devices according to the requirements in [§ 63.689(d)(1) through (5)](/cfr/40/63.689.md?p=d-1..d-5).
  - (2) Performing inspections of each cover and its closure devices for defects at least annually according to the requirements in [§ 63.695(d)(1) through (5)](/cfr/40/63.695.md?p=d-1..d-5).
  - (3) Repairing defects according to the requirements in [§ 63.695(5)](/cfr/40/63.695.md?p=5)
  - (4) Keeping records to document compliance with the requirements of this subpart according to the requirements in [§ 63.7952](/cfr/40/63.7952.md).
- (d) You must demonstrate continuous compliance for each transfer system that consists of hard piping according to [§ 63.7915(c)(2)](/cfr/40/63.7915.md?p=c-2) by meeting the requirements in [paragraphs (d)(1) through (4)](#d-1..d-4) of this section.
  - (1) Operating and maintaining the pipeline to ensure that all joints or seams between the pipe sections remain permanently or semi-permanently sealed (e.g., a welded joint between two sections of metal pipe or a bolted and gasketed flange).
  - (2) Inspecting the pipeline for defects at least annually according to the requirements in [§ 63.7917(c)](/cfr/40/63.7917.md?p=c).
  - (3) Repairing defects according to the requirements in [§ 63.7917(e)](/cfr/40/63.7917.md?p=e).
  - (4) Keeping records to document compliance with the requirements of this subpart according to the requirements in [§ 63.7952](/cfr/40/63.7952.md).
- (e) You must demonstrate continuous compliance for each transfer system that is enclosed and vented to a control device according to [§ 63.7915(c)(3)](/cfr/40/63.7915.md?p=c-3) by meeting the requirements in [paragraphs (e)(1) through (5)](#e-1..e-5) of this section.
  - (1) Operating and maintaining the enclosure to ensure that the internal pressure in the vapor headspace in the enclosure is maintained continuously at a level less than atmospheric pressure when the control device is operating.
  - (2) Inspecting the enclosure and its closure devices for defects at least annually according to the requirements in [§ 63.7918(d)](#d).
  - (3) Repairing defects according to the requirements in [§ 63.7918(e)](#e).
  - (4) Meeting each applicable requirement for demonstrating continuous compliance with the emission limitations and work practice standards for a closed vent system and control device in [§ 63.7928](/cfr/40/63.7928.md).
  - (5) Keeping records to document compliance with the requirements according to the requirements in [§ 63.7952](/cfr/40/63.7952.md).

## Notes

### Amendments

[68 FR 58190, Oct. 8, 2003, as amended at 71 FR 69018, Nov. 29, 2006]

### Source

Source: 68 FR 58190, Oct. 8, 2003, unless otherwise noted.

### Authority

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

### Source

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

### Amendments

[68 FR 58190, Oct. 8, 2003, as amended at 71 FR 69018, Nov. 29, 2006]