{"data":{"id":"us/30-cfr-27.1","jurisdiction":"us","citation":"30 CFR 27.1","heading":"Purpose.","body":"The regulations in this part set forth the requirements for methane-monitoring systems or components thereof to procure certification for their incorporation in or with permissible equipment that is used in gassy mines, tunnels, or other underground workings and procedures for applying for such certification.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER B—TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS","PART 27—METHANE-MONITORING SYSTEMS","Subpart A—General Provisions"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"83a7be7be231e5bf0a7c94edcdc0807d89af49cd2be73d32dab3c56bc4920be7","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-23.14","next":"us/30-cfr-27.2"},"notice":"GroundRules: Original legal text. Not legal advice."}