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Hazardous Waste Tank System Requirements for LQGs and Onsite Treatment Facilities —Page 13 of 14 Table 2 Tank System Assessment/Reassessment Types and Deadlines Type of Tank System Type of Assessment Initial Assessment Renewal Deadline Required Assessment Deadline New Aboveground Tank Prior to placing tank system 14 System Holding Non-RCRA Per§66265.192(k) Every 5 years HazWaste in service New Aboveground Tank Prior to placing tank system 14 System Holding RCRA- Per§66265.192(k) Every 5 years Exempt HazWaste in service New Tiered Permit Tank Per§66265.192(k) Prior to placing tank system Every 5 years 14 System in service New Aboveground Tank Initial:Per§66265.192(a) Prior to placing tank system N/A System Holding RCRA Renewals:Per§66265.192(k) in service (See below if system is modified) HazWaste New Underground Tank Initial:Per§66265.192(a) Prior to placing tank system N/A System Holding any Renewals:Per§66265.192(k) in service (See below if system is modified) HazWaste Existing tank system with full Written assessment not Prior to placing system secondary containment per required unless system is N/A back in service if modified §66265.193 modified (Modified systems are subject to requirements for"New"systems) Every 12 months until full secondary containment was provided(see Table Existing tank system without 1,above for deadlines) full secondary containment per Per§66265.191 See Table 3,below (When secondary containment was §66265.193 provided,these systems became subject to requirements for"New" systems) Prior to placing modified Every 5 years Any Modified tank system Per§66265.192(k) system or new component(s) (All modified systems are subject to in service requirements for"New"s stems) 14 If originally assessed prior to 6/1/1995,reassessment is due 5 years from date of original assessment or 6/1/2000,whichever came first,and every 5 years thereafter. UN-047-13/14 www.unidocs.org Rev.01/07/08