{"data":{"id":"us/40-cfr-761.267","jurisdiction":"us","citation":"40 CFR 761.267","heading":"Sampling non-porous surfaces.","body":"(a) Sample large, nearly flat, non-porous surfaces by dividing the surface into roughly square portions approximately 2 meters on each side. Follow the procedures in § 761.302(a) with the exception of the sampling grid size.\n(b) It is not necessary to sample small or irregularly shaped surfaces.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER R—TOXIC SUBSTANCES CONTROL ACT","PART 761—POLYCHLORINATED BIPHENYLS (PCBs) MANUFACTURING, PROCESSING, DISTRIBUTION IN COMMERCE, AND USE PROHIBITIONS","Subpart N—Cleanup Site Characterization Sampling for PCB Remediation Waste in Accordance with § 761.61(a)(2)"],"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":"448dfd7674c031837050f98c364b40423f7a205b352410a6d455a2adedcc7283","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-761.265","next":"us/40-cfr-761.269"},"notice":"GroundRules: Original legal text. Not legal advice."}