Table 11 - Wastewater - Inspection and Monitoring Requirements for Waste Management Units

To comply withInspection or monitoring requirementFrequency of inspection or monitoringMethodTanks:63.133(b)(1)Inspect fixed roof and all openings for leaksInitially Semi-annuallyVisual.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 gapsOnce every 5 years Initially Annually—Secondary seal gaps63.133(f) 63.133(g)Inspect wastewater tank for control equipment failures and improper work practicesInitially Semi-annuallyVisual.Surface impoundments:63.134(b)(1)Inspect cover and all openings for leaksInitially Semi-annuallyVisual.63.134(c)Inspect surface impoundment for control equipment failures and improper work practicesInitially Semi-annuallyVisual.Containers:63.135(b)(1), 63.135(b)(2) (ii)Inspect cover and all openings for leaksInitially Semi-annuallyVisual.63.135(d)(1)Inspect enclosure and all openings for leaksInitially Semi-annuallyVisual.63.135(e)Inspect container for control equipment failures and improper work practicesInitially Semi-annuallyVisual.Individual Drain Systemsa:63.136(b)(1)Inspect cover and all openings to ensure there are no gaps, cracks, or holesInitially Semi-annuallyVisual.63.136(c)Inspect individual drain system for control equipment failures and improper work practicesInitially Semi-annuallyVisual.63.136(e)(1)Verify that sufficient water is present to properly maintain integrity of water sealsInitially Semi-annuallyVisual.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 installedInitially Semi-annuallyVisual.63.136(f)(2)Inspect all junction boxes to ensure covers are in place and have no visible gaps, cracks, or holesInitially Semi-annuallyVisual or smoke test or other means as specified.63.136(f)(3)Inspect unburied portion of all sewer lines for cracks and gapsInitially Semi-annuallyVisual.Oil-water separators:63.137(b)(1)Inspect fixed roof and all openings for leaksInitially Semi-annuallyVisual.63.137(c)Measure floating roof seal gaps in accordance with 40 CFR 60.696(d)(1)InitiallybSee 40 CFR 60.696(d)(1).—Primary seal gapsOnce every 5 years63.137(c)—Secondary seal gapsInitiallyb Annually63.137(d)Inspect oil-water separator for control equipment failures and improper work practicesInitially Semi-annuallyVisual.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).