Each responsible party shall maintain records in accordance with § 5602 that demonstrate compliance with closure requirements of this chapter.
The responsible party shall retain the results of a closure assessment required under § 6101.10 for at least ten (10) years after permanent closure or change- in-service or deliver the records to the Department in accordance with the provisions of § 5602.6.
After ten (10) years, the responsible party shall deliver all records demonstrating compliance with this chapter to the Department.
D.C. Mun. Regs. tit. 20, r. 20-6103