{"data":{"id":"us/40-cfr-81.401","jurisdiction":"us","citation":"40 CFR 81.401","heading":"Alabama.","body":"Area name Acreage Public Law establishing Federal land manager\nSipsey Wild 12,646 93-622 USDA-FS","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES","Subpart D—Identification of Mandatory Class I Federal Areas Where Visibility Is an Important Value"],"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":"fa6df8407c6fa8cce0a974e2320bddee8aab52435775ecec1d372344ff714d9b","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.400","next":"us/40-cfr-81.402"},"notice":"GroundRules: Original legal text. Not legal advice."}