Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR Table 11 to Subpart G of Part 63: Table 11 to Subpart G of Part 63—Wastewater—Inspection and Monitoring Requirements for Waste Management Units

To comply with Inspection or monitoring requirement Frequency of inspection or monitoring Method
Tanks:
63.133(b)(1) Inspect fixed roof and all openings for leaks Initially Semi-annually Visual.
63.133(c) Inspect floating roof in accordance with §§ 63.120 (a)(2) and (a)(3) See § 63.120 (a)(2) and (a)(3) Visual.
63.133(d) Measure floating roof seal gaps in accordance with §§ 63.120 (b)(2)(i) through (b)(4) See § 63.120 (b)(2)(i) through (b)(4).
—Primary seal gaps Once every 5 years Initially Annually
—Secondary seal gaps
63.133(f) 63.133(g) Inspect wastewater tank for control equipment failures and improper work practices Initially Semi-annually Visual.
Surface impoundments:
63.134(b)(1) Inspect cover and all openings for leaks Initially Semi-annually Visual.
63.134(c) Inspect surface impoundment for control equipment failures and improper work practices Initially Semi-annually Visual.
Containers:
63.135(b)(1), 63.135(b)(2) (ii) Inspect cover and all openings for leaks Initially Semi-annually Visual.
63.135(d)(1) Inspect enclosure and all openings for leaks Initially Semi-annually Visual.
63.135(e) Inspect container for control equipment failures and improper work practices Initially Semi-annually Visual.
Individual Drain Systems a:
63.136(b)(1) Inspect cover and all openings to ensure there are no gaps, cracks, or holes Initially Semi-annually Visual.
63.136(c) Inspect individual drain system for control equipment failures and improper work practices Initially Semi-annually Visual.
63.136(e)(1) Verify that sufficient water is present to properly maintain integrity of water seals Initially Semi-annually Visual.
63.136(e)(2), 63.136(f)(1) Inspect all drains using tightly-fitted caps or plugs to ensure caps and plugs are in place and properly installed Initially Semi-annually Visual.
63.136(f)(2) Inspect all junction boxes to ensure covers are in place and have no visible gaps, cracks, or holes Initially Semi-annually Visual or smoke test or other means as specified.
63.136(f)(3) Inspect unburied portion of all sewer lines for cracks and gaps Initially Semi-annually Visual.
Oil-water separators:
63.137(b)(1) Inspect fixed roof and all openings for leaks Initially Semi-annually Visual.
63.137(c) Measure floating roof seal gaps in accordance with 40 CFR 60.696(d)(1) Initially b See 40 CFR 60.696(d)(1).
—Primary seal gaps Once every 5 years
63.137(c) —Secondary seal gaps Initially b Annually
63.137(d) Inspect oil-water separator for control equipment failures and improper work practices Initially Semi-annually Visual.
a As specified in § 63.136(a), the owner or operator shall comply with either the requirements of § 63.136 (b) and (c) or § 63.136 (e) and (f).
b Within 60 days of installation as specified in § 63.137(c).

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C—AIR PROGRAMS
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
Subpart G—National Emission Standards for Hazardous Air Pollutants From the Synthetic Organic Chemical Manufacturing Industry for Process Vents, Storage Vessels, Transfer Operations, and Wastewater

To comply with Inspection or monitoring requirement Frequency of inspection or monitoring Method

Tanks:

63.133(b)(1) Inspect fixed roof and all openings for leaks Initially Semi-annually Visual.

63.133(c) Inspect floating roof in accordance with §§ 63.120 (a)(2) and (a)(3) See § 63.120 (a)(2) and (a)(3) Visual.

63.133(d) Measure floating roof seal gaps in accordance with §§ 63.120 (b)(2)(i) through (b)(4) See § 63.120 (b)(2)(i) through (b)(4).

—Primary seal gaps Once every 5 years Initially Annually

—Secondary seal gaps

63.133(f) 63.133(g) Inspect wastewater tank for control equipment failures and improper work practices Initially Semi-annually Visual.

Surface impoundments:

63.134(b)(1) Inspect cover and all openings for leaks Initially Semi-annually Visual.

63.134(c) Inspect surface impoundment for control equipment failures and improper work practices Initially Semi-annually Visual.

Containers:

63.135(b)(1), 63.135(b)(2) (ii) Inspect cover and all openings for leaks Initially Semi-annually Visual.

63.135(d)(1) Inspect enclosure and all openings for leaks Initially Semi-annually Visual.

63.135(e) Inspect container for control equipment failures and improper work practices Initially Semi-annually Visual.

Individual Drain Systems a:

63.136(b)(1) Inspect cover and all openings to ensure there are no gaps, cracks, or holes Initially Semi-annually Visual.

63.136(c) Inspect individual drain system for control equipment failures and improper work practices Initially Semi-annually Visual.

63.136(e)(1) Verify that sufficient water is present to properly maintain integrity of water seals Initially Semi-annually Visual.

63.136(e)(2), 63.136(f)(1) Inspect all drains using tightly-fitted caps or plugs to ensure caps and plugs are in place and properly installed Initially Semi-annually Visual.

63.136(f)(2) Inspect all junction boxes to ensure covers are in place and have no visible gaps, cracks, or holes Initially Semi-annually Visual or smoke test or other means as specified.

63.136(f)(3) Inspect unburied portion of all sewer lines for cracks and gaps Initially Semi-annually Visual.

Oil-water separators:

63.137(b)(1) Inspect fixed roof and all openings for leaks Initially Semi-annually Visual.

63.137(c) Measure floating roof seal gaps in accordance with 40 CFR 60.696(d)(1) Initially b See 40 CFR 60.696(d)(1).

—Primary seal gaps Once every 5 years

63.137(c) —Secondary seal gaps Initially b Annually

63.137(d) Inspect oil-water separator for control equipment failures and improper work practices Initially Semi-annually Visual.

a As specified in § 63.136(a), the owner or operator shall comply with either the requirements of § 63.136 (b) and (c) or § 63.136 (e) and (f).

b Within 60 days of installation as specified in § 63.137(c).

Collected 2026-08-27T02:26:04Z. Source file · JSON

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