{"data":{"id":"us/40-cfr-63.7907","jurisdiction":"us","citation":"40 CFR 63.7907","heading":"What are my inspection and monitoring requirements for surface impoundments?","body":"(a) If you use a floating membrane cover according to § 63.7905(b)(1), you must visually inspect the floating membrane cover and its closure devices at least annually according to the requirements in § 63.946(a).\n(b) If you use a cover vented to a control device according to § 63.7905(b)(2), you must meet requirements in paragraphs (b)(1) and (2) of this section.\n(1) You must visually inspect the cover and its closure devices for defects according to the requirements in § 63.946(b).\n(2) You must monitor and inspect the closed vent system and control device according to the requirements in § 63.7927 that apply to you.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES","Subpart GGGGG—National Emission Standards for Hazardous Air Pollutants: Site Remediation"],"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":"14d72b18ae40c498127e2756f5c92091d74212a052e86c33d25286b715d923e4","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.7906","next":"us/40-cfr-63.7908"},"notice":"GroundRules: Original legal text. Not legal advice."}