- Table 7 to Subpart GGG 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: | 63.1256(b)(3)(i) | Inspect fixed roof and all openings for leaks | Initially Semiannually | Visual. | 63.1256(b)(4) | Inspect floating roof in accordance with §§ 63.120(a)(2) and (a)(3) | See §§ 63.120(a)(2) and (a)(3) | Visual. | 63.1256(b)(5) | 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 | Initially Once every 5 years (annually if no secondary seal). | —Secondary seal gaps | Initially Semiannually | 63.1256(b)(7)
63.1256(b)(8) | Inspect wastewater tank for control equipment failures and improper work practices | Initially Semiannually | Visual. | SURFACE IMPOUNDMENTS: | 63.1256(c)(1)(i) | Inspect cover and all openings for leaks | Initially Semiannually | Visual. | 63.1256(c)(2) | Inspect surface impoundment for control equipment failures and improper work practices | Initially Semiannually | Visual. | CONTAINERS: | 63.1256(d)(1)(i)
63.1256(d)(1)(ii) | Inspect cover and all openings for leaks | Initially Semiannually | Visual. | 63.1256(d)(3)(i) | Inspect enclosure and all openings for leaks | Initially Semiannually | Visual. | 63.1256(d)(4) | Inspect container for control equipment failures and improper work practices | Initially Semiannually | Visual. | INDIVIDUAL DRAIN SYSTEMS a: | 63.1256(e)(1)(i) | Inspect cover and all openings to ensure there are no gaps, cracks, or holes | Initially Semiannually | Visual. | 63.1256(e)(2) | Inspect individual drain system for control equipment failures and improper work practices | Initially Semiannually | Visual. | 63.1256(e)(4)(i) | Verify that sufficient water is present to properly maintain integrity of water seals | Initially Semiannually | Visual. | 63.1256(e)(4)(ii)
63.1256(e)(5)(i) | Inspect all drains using tightly-fitted caps or plugs to ensure caps and plugs are in place and properly installed | Initially Semiannually | Visual. | 63.1256(e)(5)(ii) | Inspect all junction boxes to ensure covers are in place and have no visible gaps, cracks, or holes | Initially Semiannually | Visual or smoke test or other means as specified. | 63.1256(e)(5)(iii) | Inspect unburied portion of all sewer lines for cracks and gaps | Initially Semiannually | Visual. | OIL-WATER SEPARATORS: | 63.1256(f)(2)(i) | Inspect fixed roof and all openings for leaks | Initially Semiannually | Visual. | 63.1256(f)(3) | 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. | 63.1256(f)(3) | —Secondary seal gaps | Initially b Annually. | 63.1256(f)(4) | Inspect oil-water separator for control equipment failures and improper work practices | Initially Semiannually | Visual. |
|---|
a As specified in § 63.1256(e), the owner or operator shall comply with either the requirements of § 63.1256(e)(1) and (2) or § 63.1256(e)(4) and (5).
b Within 60 days of installation as specified in § 63.1256(f)(3).