{"data":{"id":"us/40-cfr-265.223","jurisdiction":"us","citation":"40 CFR 265.223","heading":"Containment system.","body":"All earthen dikes must have a protective cover, such as grass, shale, or rock, to minimize wind and water erosion and to preserve their structural integrity.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER I—SOLID WASTES","PART 265—INTERIM STATUS STANDARDS FOR OWNERS AND OPERATORS OF HAZARDOUS WASTE TREATMENT, STORAGE, AND DISPOSAL FACILITIES","Subpart K—Surface Impoundments"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"f6f4d62e16d9f0bcc554a16bed075a6843d5e79493736639331831897571123e","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-265.222","next":"us/40-cfr-265.224"},"notice":"GroundRules: Original legal text. Not legal advice."}