Mineral Resources. Part90:Mandatory health standards—coal miners who have evidence of the development of pneumoconiosis. Section90.300:Respirable dust control plan; filing requirements.
(a) If an operator abates a violation of § 90.100 (Respirable dust standard) or § 90.101 (Respirable dust standard when quartz is present) by reducing the respirable dust level in the position of the part 90 miner, the operator shall submit a written respirable dust control plan for that part 90 miner in that position within 15 calendar days after thecitation is terminated to the District Manager for approval. The respirable dust control plan and revisions thereof shall be suitable to the conditions and the mining system of the coal mine and shall be adequate to continuously maintain respirable dust within the permissible concentration for the part 90 miner in the position identified in the citation.