{"data":{"id":"us/30-cfr-72.800","jurisdiction":"us","citation":"30 CFR 72.800","heading":"Single, full-shift measurement of respirable coal mine dust.","body":"The Secretary will use a single, full-shift measurement of respirable coal mine dust to determine the average concentration on a shift since that measurement accurately represents atmospheric conditions to which a miner is exposed during such shift. As of April 14, 2025, noncompliance with the respirable dust standard, in accordance with this subchapter, is demonstrated when a single, full-shift measurement taken by MSHA meets or exceeds the applicable ECV in table 1 to § 70.208, table 1 to § 70.209, table 1 to § 71.206, or table 1 to § 90.207 of this chapter that corresponds to the particular sampling device used. Upon issuance of a citation for a violation of the standard, and for MSHA to terminate the citation, the mine operator shall take the specified actions in this subchapter.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","PART 72—HEALTH STANDARDS FOR COAL MINES","Subpart E—Miscellaneous"],"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":"57a7e3538cbb1ec0698d41479827ddbaa1eb659b6cdf7360ace1c72f87fd574c","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-72.710","next":"us/30-cfr-74.1"},"notice":"GroundRules: Original legal text. Not legal advice."}