40 CFR § 63.7912 - What are my inspection and monitoring requirements for separators?

---
identifier: "/us/cfr/t40/s63.7912"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.7912 - What are my inspection and monitoring requirements for separators?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.7912"
section_name: "What are my inspection and monitoring requirements for separators?"
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "63"
part_name: "NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401"
regulatory_source: "57 FR 61992, Dec. 29, 1992, unless otherwise noted."
cfr_part: "63"
---


# 63.7912 What are my inspection and monitoring requirements for separators?

(a) If you use a floating roof according to § 63.7910(b)(1), you must meet requirements in paragraphs (a)(1) and (2) of this section.

(1) Measure the seal gaps at least annually according to the requirements in § 63.1047(b)(1).

(2) Visually inspect the floating roof at least annually according to the requirements in § 63.1047(b)(2).

(b) If you use a cover vented to a control device according to § 63.7910(b)(1) or (2), you must meet requirements in paragraphs (b)(1) and (2) of this section.

(1) You must visually inspect the cover and its closure devices for defects according to the requirements in § 63.1047(c).

(2) You must monitor and inspect the closed vent system and control device according to the requirements in § 63.7927 that apply to you.

(c) If you use a pressurized separator that operates as a closed system according to § 63.7910(b)(3), you must visually inspect each pressurized separator and closure devices for defects at least annually to ensure they are operating according to the design requirements in § 63.1045(b), with the exceptions specified in § 63.7910(b)(3).

[68 FR 58190, Oct. 8, 2003, as amended at 85 FR 41705, July 10, 2020]