§264.310. Closure and post-closure care.
40 C.F.R. § 264.310
At final closure of the landfill or upon closure of any cell, the owner or operator must cover the landfill or cell with a final cover designed and constructed to:
Provide long-term minimization of migration of liquids through the closed landfill;
Function with minimum maintenance;
Promote drainage and minimize erosion or abrasion of the cover;
Accommodate settling and subsidence so that the cover's integrity is maintained; and
Have a permeability less than or equal to the permeability of any bottom liner system or natural subsoils present.
After final closure, the owner or operator must comply with all post-closure requirements contained in §§ 264.117 through 264.120, including maintenance and monitoring throughout the post-closure care period (specified in the permit under § 264.117). The owner or operator must:
Maintain the integrity and effectiveness of the final cover, including making repairs to the cap as necessary to correct the effects of settling, subsidence, erosion, or other events;
Continue to operate the leachate collection and removal system until leachate is no longer detected;
Maintain and monitor the leak detection system in accordance with §§ 264.301(c)(3)(iv) and (4) and 264.303(c), and comply with all other applicable leak detection system requirements of this part;
Maintain and monitor the ground-water monitoring system and comply with all other applicable requirements of subpart F of this part;
Prevent run-on and run-off from eroding or otherwise damaging the final cover; and
Protect and maintain surveyed benchmarks used in complying with § 264.309.
Notes, amendments, and revision history
Amendments
[47 FR 32365, July 26, 1982, as amended at 50 FR 28748, July 15, 1985; 57 FR 3491, Jan. 29, 1992]
Source
Source: 47 FR 32365, July 26, 1982, unless otherwise noted.
Authority
Authority: 42 U.S.C. 6905, 6912(a), 6924, 6925, and 6939g.
Source
Source: 45 FR 33221, May 19, 1980, unless otherwise noted.
Amendments
[47 FR 32365, July 26, 1982, as amended at 50 FR 28748, July 15, 1985; 57 FR 3491, Jan. 29, 1992]