40 CFR 258.61 : Protection Of Environment (§ 1.1 To Parts 1851-1899) — (§ 190.01 To Part 259) — Environmental Protection Agency (Continued) (§ 190.01 To Part 259) — Solid Wastes (§ 239.1 To Part 259) — Criteria For Municipal Solid Waste Landfills (§ 258.1 To Appendix Ii To Part 258) — Closure And Post-Closure Care (§ 258.60 To §§ 258.63-258.69) — Post-closure care requirements.