{"data":{"id":"us/30-cfr-90.206","jurisdiction":"us","citation":"30 CFR 90.206","heading":"Exercise of option or transfer sampling.","body":"(a) The operator shall take five valid representative dust samples for each part 90 miner within 15 calendar days after:\n(1) The 20-day period specified for each part 90 miner in § 90.100; and\n(2) Implementing any transfer after the 20th calendar day following receipt of notification from MSHA that a part 90 miner is employed at the mine.\n(b) Noncompliance with the standard shall be determined in accordance with § 90.207(d).\n(c) Upon issuance of a citation for a violation of the standard, the operator shall comply with § 90.207(f).","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","PART 90—MANDATORY HEALTH STANDARDS—COAL MINERS WHO HAVE EVIDENCE OF THE DEVELOPMENT OF PNEUMOCONIOSIS","Subpart C—Sampling Procedures"],"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":"95068dbeae3dcfb32d84a37eace6607a3ca818d72b23e58f3bee6f6ad4fa3e5b","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-90.205","next":"us/30-cfr-90.207"},"notice":"GroundRules: Original legal text. Not legal advice."}