{"data":{"id":"us/40-cfr-264.309","jurisdiction":"us","citation":"40 CFR 264.309","heading":"Surveying and recordkeeping.","body":"The owner or operator of a landfill must maintain the following items in the operating record required under § 264.73:\n(a) On a map, the exact location and dimensions, including depth, of each cell with respect to permanently surveyed benchmarks; and\n(b) The contents of each cell and the approximate location of each hazardous waste type within each cell.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER I—SOLID WASTES","PART 264—STANDARDS FOR OWNERS AND OPERATORS OF HAZARDOUS WASTE TREATMENT, STORAGE, AND DISPOSAL FACILITIES","Subpart N—Landfills"],"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":"dcfc0d99e410d2cca29cf785d9b165aea96771e169a463a233cfe2758f5a3ef5","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-264.305-264.308","next":"us/40-cfr-264.310"},"notice":"GroundRules: Original legal text. Not legal advice."}