{"data":{"id":"us/30-cfr-75.1600-1","jurisdiction":"us","citation":"30 CFR 75.1600-1","heading":"-1 Communication facilities; main portals; installation requirements.","body":"A telephone or equivalent two-way communication facility shall be located on the surface within 500 feet of all main portals, and shall be installed either in a building or in a box-like structure designed to protect the facilities from damage by inclement weather. At least one of these communication facilities shall be at a location where a responsible person who is always on duty when men are underground can hear the facility and respond immediately in the event of an emergency.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","Subpart Q—Communications"],"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":"d484def74ba63ab7a5a32d49317f5ab2c103ffae8e11e4d12ac833d303b381e1","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.1600","next":"us/30-cfr-75.1600-2"},"notice":"GroundRules: Original legal text. Not legal advice."}