{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4609541","name":"NO. 2 GAS","status":"Active","status_date":"2024-12-02","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Logan","nearest_town":"Verner","operator_id":"0122932","operator_name":"RAMACO RESOURCES, LLC","controller_id":"0137341","controller_name":"Ramaco Resources Inc","district":"C04","office":"Logan WV Field Office","employees":97,"latitude":37.706389,"longitude":-81.756389},"coverage":{"contributingSources":17,"registeredSources":20,"sourceRows":10912},"relationships":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-13T11:19:05.459773+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"4609541","name":"NO. 2 GAS"},"operator":{"type":"operator","id":"0122932","name":"RAMACO RESOURCES, LLC"},"controller":{"type":"controller","id":"0137341","name":"Ramaco Resources Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0104377","name":"Michael D Bauersachs"},"object":{"type":"mine","id":"4609541","name":"NO. 2 GAS"},"validFrom":"2012-04-27","validTo":"2016-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609541|0104377|2012-04-27|2016-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0137341","name":"Ramaco Resources Inc"},"object":{"type":"mine","id":"4609541","name":"NO. 2 GAS"},"validFrom":"2017-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609541|0137341|2017-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0122932","name":"Ramaco Resources, LLC"},"object":{"type":"mine","id":"4609541","name":"NO. 2 GAS"},"validFrom":"2017-07-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609541|0122932|2017-07-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0104377","name":"Michael D Bauersachs"},"object":{"type":"operator","id":"0122932","name":"Ramaco Resources, LLC"},"validFrom":"2017-07-20","validTo":"2016-12-31","current":false,"derived":true,"evidenceMineId":"4609541","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609541|0122932|2017-07-20|0104377|2012-04-27|18195"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0137341","name":"Ramaco Resources Inc"},"object":{"type":"operator","id":"0122932","name":"Ramaco Resources, LLC"},"validFrom":"2017-07-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"4609541","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609541|0122932|2017-07-20|0137341|2017-01-01|27756"}}],"coverage":{"historyRecords":2,"edgeCount":5,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":40,"firstDate":"2018-05-21","lastDate":"2026-06-26","metrics":{"daysLost":3072,"injuries":34,"fatalities":0,"recentRows":27,"restrictedDays":0,"contractorRecords":2},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"4122","DOCUMENT_NO":"220261890009","ACCIDENT_DT":"06/26/2026","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Scoop tram operator, Load/Haul/Dump operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was loading 16' straps onto the scoop, when the stack turned over and smashed EE's finger between the straps and the bucket of the scoop.","sourceDate":"2026-06-26"},{"SOURCE_ROW_NUMBER":"158911","DOCUMENT_NO":"220261560018","ACCIDENT_DT":"02/11/2026","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Outside foreman, Leadman","NO_INJURIES":"1","DAYS_LOST":"11","NARRATIVE":"Employee was positioning the draw head on the motor to line up with a flat car when EE felt a pop in EE's bicep. Employee finished EE's shift and was examined by a physician and fully released to return to work. The employee later had surgery on EE's bicep on 5/28/26 and written off work until further notice.","sourceDate":"2026-02-11"},{"SOURCE_ROW_NUMBER":"124200","DOCUMENT_NO":"220252180012","ACCIDENT_DT":"08/04/2025","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall onto or against objects","OCCUPATION":"Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator","NO_INJURIES":"1","DAYS_LOST":"66","NARRATIVE":"Section floor was muddy and wet","sourceDate":"2025-08-04"},{"SOURCE_ROW_NUMBER":"219202","DOCUMENT_NO":"220252160040","ACCIDENT_DT":"07/22/2025","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Greaser, Grease man, Oiler, Lube man, Dragline oiler","NO_INJURIES":"1","DAYS_LOST":"55","NARRATIVE":"Employee lifted two full oil cans to load onto a ride and felt a pain in their back.","sourceDate":"2025-07-22"},{"SOURCE_ROW_NUMBER":"154610","DOCUMENT_NO":"220251610019","ACCIDENT_DT":"05/27/2025","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Caught in, under or between running or meshing objects","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"26","NARRATIVE":"Employee was standing at the rear of a roof bolting machine when the bumper was lowered onto their boot.","sourceDate":"2025-05-27"},{"SOURCE_ROW_NUMBER":"184739","DOCUMENT_NO":"220250240012","ACCIDENT_DT":"01/11/2025","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Continuous miner operator, Coal mole operator","NO_INJURIES":"1","DAYS_LOST":"201","NARRATIVE":"Employee was operating a Continuous Miner in the No. 8 Right, when a piece of rock 9'x3'x6\" fell from between the outside roof bolt and mine rib striking their right leg.","sourceDate":"2025-01-11"},{"SOURCE_ROW_NUMBER":"154609","DOCUMENT_NO":"220243340003","ACCIDENT_DT":"11/18/2024","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"An unplanned roof fall occurred above anchorage on the No. 2 Section in the No. 3 entry just inby Spad No. 3950.","sourceDate":"2024-11-18"},{"SOURCE_ROW_NUMBER":"188933","DOCUMENT_NO":"220242810004","ACCIDENT_DT":"09/23/2024","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"An unplanned roof fall was discovered in the No. 7 entry at spad no. 3421 in the outby return entry.","sourceDate":"2024-09-23"},{"SOURCE_ROW_NUMBER":"171808","DOCUMENT_NO":"220242700001","ACCIDENT_DT":"09/16/2024","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in pulling or pushing objects","OCCUPATION":"LW Propman, Propman helper, Move crew if LW, Move-up man, Jacksetter, Advanceman LW helper","NO_INJURIES":"1","DAYS_LOST":"283","NARRATIVE":"Employee was pulling a cable by hand, when the cable became entangled as EE pulled causing an injury to the lower back.","sourceDate":"2024-09-16"},{"SOURCE_ROW_NUMBER":"184738","DOCUMENT_NO":"220242600001","ACCIDENT_DT":"09/03/2024","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Electrician, Lineman","NO_INJURIES":"1","DAYS_LOST":"202","NARRATIVE":"Employee was putting EE's tools away off of EE's ride, when the ride went into forward tram, forcing EE's leg into EE's toolbox.","sourceDate":"2024-09-03"},{"SOURCE_ROW_NUMBER":"98531","DOCUMENT_NO":"220241660026","ACCIDENT_DT":"06/06/2024","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was cutting belt and the utility knife slipped out causing an incision to the right leg.","sourceDate":"2024-06-06"},{"SOURCE_ROW_NUMBER":"214884","DOCUMENT_NO":"220241500013","ACCIDENT_DT":"05/20/2024","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"An unplanned roof fall occurred above anchorage on the No. 2 section during retreat mining.","sourceDate":"2024-05-20"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2024-12-02","lastDate":"2024-12-02","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":1033,"firstDate":"2018-02-26","lastDate":"2026-09-03","metrics":{"ss":202,"delinquent":996,"recentRows":835,"paidPenalty":579015,"proposedPenalty":862499,"currentAssessment":739006},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2889124","VIOLATION_NO":"5132634","ISSUE_DT":"09/03/2026","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"288.00","CURRENT_ASSESSMENT_AMT":"288.00","ASSESS_CASE_STATUS_CD":"Printed","sourceDate":"2026-09-03"},{"SOURCE_ROW_NUMBER":"2889123","VIOLATION_NO":"5132633","ISSUE_DT":"09/03/2026","CFR_STANDARD_CD":"72.630(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"209.00","CURRENT_ASSESSMENT_AMT":"209.00","ASSESS_CASE_STATUS_CD":"Printed","sourceDate":"2026-09-03"},{"SOURCE_ROW_NUMBER":"2889122","VIOLATION_NO":"5132632","ISSUE_DT":"09/03/2026","CFR_STANDARD_CD":"75.1725(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"1550.00","CURRENT_ASSESSMENT_AMT":"1550.00","ASSESS_CASE_STATUS_CD":"Printed","sourceDate":"2026-09-03"},{"SOURCE_ROW_NUMBER":"2889121","VIOLATION_NO":"5132631","ISSUE_DT":"09/03/2026","CFR_STANDARD_CD":"75.503","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"267.00","CURRENT_ASSESSMENT_AMT":"267.00","ASSESS_CASE_STATUS_CD":"Printed","sourceDate":"2026-09-03"},{"SOURCE_ROW_NUMBER":"2889120","VIOLATION_NO":"5132630","ISSUE_DT":"09/03/2026","CFR_STANDARD_CD":"75.512","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"288.00","CURRENT_ASSESSMENT_AMT":"288.00","ASSESS_CASE_STATUS_CD":"Printed","sourceDate":"2026-09-03"},{"SOURCE_ROW_NUMBER":"2889114","VIOLATION_NO":"5099738","ISSUE_DT":"09/03/2026","CFR_STANDARD_CD":"75.202(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"1219.00","CURRENT_ASSESSMENT_AMT":"1219.00","ASSESS_CASE_STATUS_CD":"Printed","sourceDate":"2026-09-03"},{"SOURCE_ROW_NUMBER":"2889119","VIOLATION_NO":"5132090","ISSUE_DT":"08/20/2026","CFR_STANDARD_CD":"75.220(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"549.00","CURRENT_ASSESSMENT_AMT":"549.00","ASSESS_CASE_STATUS_CD":"Printed","sourceDate":"2026-08-20"},{"SOURCE_ROW_NUMBER":"2889118","VIOLATION_NO":"5132089","ISSUE_DT":"08/20/2026","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"348.00","CURRENT_ASSESSMENT_AMT":"348.00","ASSESS_CASE_STATUS_CD":"Printed","sourceDate":"2026-08-20"},{"SOURCE_ROW_NUMBER":"2889117","VIOLATION_NO":"5132088","ISSUE_DT":"08/20/2026","CFR_STANDARD_CD":"75.1103-4(a)(1)(iv)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Printed","sourceDate":"2026-08-20"},{"SOURCE_ROW_NUMBER":"2889116","VIOLATION_NO":"5132087","ISSUE_DT":"08/20/2026","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"642.00","CURRENT_ASSESSMENT_AMT":"642.00","ASSESS_CASE_STATUS_CD":"Printed","sourceDate":"2026-08-20"},{"SOURCE_ROW_NUMBER":"2889115","VIOLATION_NO":"5132086","ISSUE_DT":"08/20/2026","CFR_STANDARD_CD":"75.220(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"245.00","CURRENT_ASSESSMENT_AMT":"245.00","ASSESS_CASE_STATUS_CD":"Printed","sourceDate":"2026-08-20"},{"SOURCE_ROW_NUMBER":"2889125","VIOLATION_NO":"5132863","ISSUE_DT":"08/05/2026","CFR_STANDARD_CD":"75.370(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"1818.00","CURRENT_ASSESSMENT_AMT":"1818.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2026-08-05"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":199,"firstDate":"2020-04-03","lastDate":"2026-08-25","metrics":{"appeals":0,"decisions":181,"recentRows":155,"decisionPenalty":228507,"originalPenalty":354652},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"461875","VIOLATION_NO":"5098803","DOCKET_NO":"WEVA 2026-0115","DECISION_DT":"08/25/2026","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2133.00","DECISION_PENALTY_AMT":"959.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2026-08-25"},{"SOURCE_ROW_NUMBER":"461874","VIOLATION_NO":"5093431","DOCKET_NO":"WEVA 2026-0115","DECISION_DT":"08/25/2026","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"366.00","DECISION_PENALTY_AMT":"366.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2026-08-25"},{"SOURCE_ROW_NUMBER":"461873","VIOLATION_NO":"5093430","DOCKET_NO":"WEVA 2026-0115","DECISION_DT":"08/25/2026","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"366.00","DECISION_PENALTY_AMT":"366.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2026-08-25"},{"SOURCE_ROW_NUMBER":"461333","VIOLATION_NO":"5131704","DOCKET_NO":"WEVA 2026-0115","DECISION_DT":"08/25/2026","DECISION_TYPE_CODE_DESC":"Vacate","ORIGINAL_PENALTY_AMT":"366.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2026-08-25"},{"SOURCE_ROW_NUMBER":"461072","VIOLATION_NO":"5131702","DOCKET_NO":"WEVA 2026-0115","DECISION_DT":"08/25/2026","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"959.00","DECISION_PENALTY_AMT":"362.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2026-08-25"},{"SOURCE_ROW_NUMBER":"461071","VIOLATION_NO":"5130076","DOCKET_NO":"WEVA 2026-0115","DECISION_DT":"08/25/2026","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"959.00","DECISION_PENALTY_AMT":"362.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2026-08-25"},{"SOURCE_ROW_NUMBER":"461070","VIOLATION_NO":"5098802","DOCKET_NO":"WEVA 2026-0115","DECISION_DT":"08/25/2026","DECISION_TYPE_CODE_DESC":"Vacate","ORIGINAL_PENALTY_AMT":"366.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2026-08-25"},{"SOURCE_ROW_NUMBER":"460951","VIOLATION_NO":"5130077","DOCKET_NO":"WEVA 2026-0115","DECISION_DT":"08/25/2026","DECISION_TYPE_CODE_DESC":"Vacate","ORIGINAL_PENALTY_AMT":"366.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2026-08-25"},{"SOURCE_ROW_NUMBER":"167972","VIOLATION_NO":"5093432","DOCKET_NO":"WEVA 2026-0115","DECISION_DT":"08/25/2026","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"366.00","DECISION_PENALTY_AMT":"366.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2026-08-25"},{"SOURCE_ROW_NUMBER":"167852","VIOLATION_NO":"5131703","DOCKET_NO":"WEVA 2026-0115","DECISION_DT":"08/25/2026","DECISION_TYPE_CODE_DESC":"Vacate","ORIGINAL_PENALTY_AMT":"366.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2026-08-25"},{"SOURCE_ROW_NUMBER":"462779","VIOLATION_NO":"5186234","DOCKET_NO":"WEVA 2026-0221","DECISION_DT":"07/07/2026","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"4047.00","DECISION_PENALTY_AMT":"4047.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2026-07-07"},{"SOURCE_ROW_NUMBER":"461745","VIOLATION_NO":"5186236","DOCKET_NO":"WEVA 2026-0221","DECISION_DT":"07/07/2026","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2503.00","DECISION_PENALTY_AMT":"655.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2026-07-07"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":6472,"firstDate":"2018-02-27","lastDate":"2026-10-07","metrics":{"recentRows":4940,"cpdmSamples":5806,"voidSamples":1421,"validSamples":5051,"maxConcentration":57.637,"concentrationTotal":2865.092},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2944386","SMP_TAKEN_DT":"10/7/2026","CONC":".136","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"2858968","SMP_TAKEN_DT":"10/7/2026","CONC":".319","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"2176937","SMP_TAKEN_DT":"10/7/2026","CONC":".071","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"1750815","SMP_TAKEN_DT":"10/7/2026","CONC":".627","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"2773081","SMP_TAKEN_DT":"10/6/2026","CONC":".162","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2026-10-06"},{"SOURCE_ROW_NUMBER":"2346546","SMP_TAKEN_DT":"10/6/2026","CONC":".35","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2026-10-06"},{"SOURCE_ROW_NUMBER":"2346515","SMP_TAKEN_DT":"10/6/2026","CONC":".417","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2026-10-06"},{"SOURCE_ROW_NUMBER":"2176200","SMP_TAKEN_DT":"10/6/2026","CONC":".191","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2026-10-06"},{"SOURCE_ROW_NUMBER":"2091167","SMP_TAKEN_DT":"10/6/2026","CONC":".144","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2026-10-06"},{"SOURCE_ROW_NUMBER":"1920981","SMP_TAKEN_DT":"10/6/2026","CONC":".242","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2026-10-06"},{"SOURCE_ROW_NUMBER":"1920979","SMP_TAKEN_DT":"10/6/2026","CONC":".336","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2026-10-06"},{"SOURCE_ROW_NUMBER":"1920944","SMP_TAKEN_DT":"10/6/2026","CONC":".228","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2026-10-06"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":11,"firstDate":"2018-04-24","lastDate":"2026-02-09","metrics":{"linkedIssuances":11},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":200,"firstDate":"2019-10-21","lastDate":"2026-06-08","metrics":{"decisions":181,"ssChanged":46,"recentRows":147,"decisionPenalty":228507,"proposedPenalty":460530},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"337313","CITATION_NO":"5132829","CITATION_ISSUE_DT":"06/08/2026","DOCKET_NO":"WEVA 2026-0395","CFR_STANDARD_CODE":"75.604(b)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"3736.00","sourceDate":"2026-06-08"},{"SOURCE_ROW_NUMBER":"280206","CITATION_NO":"5098399","CITATION_ISSUE_DT":"04/29/2026","DOCKET_NO":"WEVA 2026-0341","CFR_STANDARD_CODE":"75.1732(b)(1)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"5144.00","sourceDate":"2026-04-29"},{"SOURCE_ROW_NUMBER":"110358","CITATION_NO":"5132802","CITATION_ISSUE_DT":"04/29/2026","DOCKET_NO":"WEVA 2026-0341","CFR_STANDARD_CODE":"75.202(a)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"7676.00","sourceDate":"2026-04-29"},{"SOURCE_ROW_NUMBER":"336719","CITATION_NO":"5098392","CITATION_ISSUE_DT":"04/20/2026","DOCKET_NO":"WEVA 2026-0341","CFR_STANDARD_CODE":"75.604(b)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"8315.00","sourceDate":"2026-04-20"},{"SOURCE_ROW_NUMBER":"225137","CITATION_NO":"5098381","CITATION_ISSUE_DT":"04/09/2026","DOCKET_NO":"WEVA 2026-0341","CFR_STANDARD_CODE":"75.202(a)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"4047.00","sourceDate":"2026-04-09"},{"SOURCE_ROW_NUMBER":"166774","CITATION_NO":"5098379","CITATION_ISSUE_DT":"04/09/2026","DOCKET_NO":"WEVA 2026-0341","CFR_STANDARD_CODE":"75.370(a)(1)","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"1968.00","sourceDate":"2026-04-09"},{"SOURCE_ROW_NUMBER":"111381","CITATION_NO":"5095210","CITATION_ISSUE_DT":"03/31/2026","DOCKET_NO":"WEVA 2026-0314","CFR_STANDARD_CODE":"75.388(c)","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"4047.00","sourceDate":"2026-03-31"},{"SOURCE_ROW_NUMBER":"168152","CITATION_NO":"5098364","CITATION_ISSUE_DT":"03/09/2026","DOCKET_NO":"WEVA 2026-0314","CFR_STANDARD_CODE":"75.604(b)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"4749.00","sourceDate":"2026-03-09"},{"SOURCE_ROW_NUMBER":"110386","CITATION_NO":"5098358","CITATION_ISSUE_DT":"03/04/2026","DOCKET_NO":"WEVA 2026-0284","CFR_STANDARD_CODE":"75.202(a)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"5144.00","sourceDate":"2026-03-04"},{"SOURCE_ROW_NUMBER":"451770","CITATION_NO":"5098348","CITATION_ISSUE_DT":"02/19/2026","DOCKET_NO":"WEVA 2026-0284","CFR_STANDARD_CODE":"75.604(b)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"5144.00","sourceDate":"2026-02-19"},{"SOURCE_ROW_NUMBER":"111735","CITATION_NO":"5098328","CITATION_ISSUE_DT":"01/30/2026","DOCKET_NO":"WEVA 2026-0242","DECISION_DT":"07/06/2026","CFR_STANDARD_CODE":"75.1725(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"4749.00","DECISION_PENALTY_AMT":"1124.00","sourceDate":"2026-01-30"},{"SOURCE_ROW_NUMBER":"55658","CITATION_NO":"5098330","CITATION_ISSUE_DT":"01/30/2026","DOCKET_NO":"WEVA 2026-0242","DECISION_DT":"07/06/2026","CFR_STANDARD_CODE":"75.202(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"5144.00","DECISION_PENALTY_AMT":"2702.00","sourceDate":"2026-01-30"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":979,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":6,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":246,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":6,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":2,"firstDate":"2017-07-20","lastDate":"2017-07-20","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":95,"firstDate":"2017-08-21","lastDate":"2026-10-01","metrics":{"inspectors":252,"recentRows":56,"onSiteHours":5201,"inspectionHours":7589.5,"inspectionSamples":246},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"904521","EVENT_NO":"F022448","INSPECTION_BEGIN_DT":"10/01/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"27","SUM_TOTAL_ON_SITE_HOURS":"19","sourceDate":"2026-10-01"},{"SOURCE_ROW_NUMBER":"977664","EVENT_NO":"7047946","INSPECTION_BEGIN_DT":"07/01/2026","INSPECTION_END_DT":"09/29/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"10","SUM_TOTAL_INSP_HOURS":"271.25","SUM_TOTAL_ON_SITE_HOURS":"205.25","sourceDate":"2026-07-01"},{"SOURCE_ROW_NUMBER":"405536","EVENT_NO":"F008571","INSPECTION_BEGIN_DT":"04/01/2026","INSPECTION_END_DT":"06/23/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"8","SUM_TOTAL_INSP_HOURS":"369.5","SUM_TOTAL_ON_SITE_HOURS":"303","sourceDate":"2026-04-01"},{"SOURCE_ROW_NUMBER":"765261","EVENT_NO":"F0106FE","INSPECTION_BEGIN_DT":"03/31/2026","INSPECTION_END_DT":"03/31/2026","ACTIVITY_CODE":"E03","ACTIVITY":"103 (g) Written Notification Hazard Complaint Inspectio","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2026-03-31"},{"SOURCE_ROW_NUMBER":"699059","EVENT_NO":"F00CDD5","INSPECTION_BEGIN_DT":"03/27/2026","INSPECTION_END_DT":"03/27/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"7.5","sourceDate":"2026-03-27"},{"SOURCE_ROW_NUMBER":"588790","EVENT_NO":"F00856F","INSPECTION_BEGIN_DT":"01/05/2026","INSPECTION_END_DT":"03/27/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"7","SUM_TOTAL_INSP_HOURS":"305.75","SUM_TOTAL_ON_SITE_HOURS":"248.75","sourceDate":"2026-01-05"},{"SOURCE_ROW_NUMBER":"283415","EVENT_NO":"F011538","INSPECTION_BEGIN_DT":"12/30/2025","INSPECTION_END_DT":"12/30/2025","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.5","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2025-12-30"},{"SOURCE_ROW_NUMBER":"471973","EVENT_NO":"F00D987","INSPECTION_BEGIN_DT":"11/20/2025","INSPECTION_END_DT":"11/20/2025","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"22.25","SUM_TOTAL_ON_SITE_HOURS":"15.5","sourceDate":"2025-11-20"},{"SOURCE_ROW_NUMBER":"310593","EVENT_NO":"F00EAF0","INSPECTION_BEGIN_DT":"10/01/2025","INSPECTION_END_DT":"12/17/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"7","SUM_TOTAL_INSP_HOURS":"317.5","SUM_TOTAL_ON_SITE_HOURS":"233.25","sourceDate":"2025-10-01"},{"SOURCE_ROW_NUMBER":"615862","EVENT_NO":"F00CDC2","INSPECTION_BEGIN_DT":"09/29/2025","INSPECTION_END_DT":"09/30/2025","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"7.75","sourceDate":"2025-09-29"},{"SOURCE_ROW_NUMBER":"1038212","EVENT_NO":"F00A0FE","INSPECTION_BEGIN_DT":"09/18/2025","INSPECTION_END_DT":"09/24/2025","ACTIVITY_CODE":"E19","ACTIVITY":"Electrical Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2025-09-18"},{"SOURCE_ROW_NUMBER":"504299","EVENT_NO":"F00A0FD","INSPECTION_BEGIN_DT":"09/17/2025","INSPECTION_END_DT":"09/22/2025","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"23","SUM_TOTAL_ON_SITE_HOURS":"13","sourceDate":"2025-09-17"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":90,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":58781,"employees":98,"production":88960},"2026-Q1":{"hours":60950,"employees":97,"production":161581},"2025-Q4":{"hours":57116,"employees":103,"production":156200},"2025-Q3":{"hours":60059,"employees":95,"production":132463},"2025-Q2":{"hours":61033,"employees":96,"production":144170},"2025-Q1":{"hours":61370,"employees":93,"production":142829},"2024-Q4":{"hours":55796,"employees":97,"production":120747},"2024-Q3":{"hours":59106,"employees":100,"production":138354},"2024-Q2":{"hours":61120,"employees":100,"production":119195},"2024-Q1":{"hours":61110,"employees":94,"production":118197},"2023-Q4":{"hours":52492,"employees":105,"production":99901},"2023-Q3":{"hours":47306,"employees":103,"production":61679}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":25,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2018":{"hours":76935,"employees":40,"production":259144},"2019":{"hours":134367,"employees":51,"production":273544},"2020":{"hours":114430,"employees":51,"production":323904},"2021":{"hours":129215,"employees":54,"production":421576},"2022":{"hours":146201,"employees":57,"production":358992},"2023":{"hours":206637,"employees":101,"production":441436},"2024":{"hours":237132,"employees":102,"production":496493},"2025":{"hours":239578,"employees":97,"production":575662},"2026":{"hours":119731,"employees":98,"production":250541}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-noise-samples","name":"Noise Samples","domains":["health","safety","equipment"],"products":["hearing exposure","machine and manufacturer patterns","occupation coverage"],"rowCount":155,"firstDate":"2018-07-24","lastDate":"2026-10-07","metrics":{"recentRows":106,"doseOver100":23,"actDoseTotal":9530,"pelDoseTotal":6796},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"269821","EVENT_NO":"F022448","SURVEY_DATE":"10/07/2026","OCCUPATION_CD_DESC":"UTILITY MAN","MACHINE_CD":"40","ACT_DOSE_85":"77","PEL_DOSE_90":"57","SURVEY_TYPE":"I","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"269820","EVENT_NO":"F022448","SURVEY_DATE":"10/07/2026","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","ACT_DOSE_85":"72","PEL_DOSE_90":"52","SURVEY_TYPE":"I","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"269819","EVENT_NO":"F022448","SURVEY_DATE":"10/07/2026","OCCUPATION_CD_DESC":"ELECTRICIAN","MACHINE_CD":"40","ACT_DOSE_85":"19","PEL_DOSE_90":"27","SURVEY_TYPE":"I","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"269818","EVENT_NO":"F022448","SURVEY_DATE":"10/07/2026","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","ACT_DOSE_85":"114","PEL_DOSE_90":"87","SURVEY_TYPE":"I","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"269817","EVENT_NO":"F022448","SURVEY_DATE":"10/07/2026","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","ACT_DOSE_85":"43","PEL_DOSE_90":"23","SURVEY_TYPE":"I","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"269816","EVENT_NO":"F022448","SURVEY_DATE":"10/07/2026","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","ACT_DOSE_85":"42","PEL_DOSE_90":"23","SURVEY_TYPE":"I","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"269815","EVENT_NO":"F022448","SURVEY_DATE":"10/07/2026","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","ACT_DOSE_85":"71","PEL_DOSE_90":"55","SURVEY_TYPE":"I","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"269814","EVENT_NO":"F022448","SURVEY_DATE":"10/07/2026","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","ACT_DOSE_85":"124","PEL_DOSE_90":"109","SURVEY_TYPE":"I","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"269813","EVENT_NO":"F022448","SURVEY_DATE":"10/07/2026","OCCUPATION_CD_DESC":"ELECTRICIAN","MACHINE_CD":"40","ACT_DOSE_85":"49","PEL_DOSE_90":"34","SURVEY_TYPE":"I","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"269812","EVENT_NO":"F022448","SURVEY_DATE":"10/07/2026","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","ACT_DOSE_85":"127","PEL_DOSE_90":"112","SURVEY_TYPE":"I","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"269765","EVENT_NO":"F008571","SURVEY_DATE":"06/09/2026","OCCUPATION_CD_DESC":"DISPATCHER","MACHINE_CD":"40","ACT_DOSE_85":"8","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2026-06-09"},{"SOURCE_ROW_NUMBER":"269764","EVENT_NO":"F008571","SURVEY_DATE":"06/09/2026","OCCUPATION_CD_DESC":"FORKLIFT OPERATOR","MACHINE_CD":"17","ACT_DOSE_85":"21","PEL_DOSE_90":"8","SURVEY_TYPE":"I","sourceDate":"2026-06-09"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":262,"firstDate":"2018-02-27","lastDate":"2026-09-17","metrics":{"recentRows":199,"voidSamples":3,"maxQuartzPct":14,"validSamples":259,"quartzPctTotal":1400.1},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"13886","CASSETTE_NO":"58596006","SAMPLE_DT":"09/17/2026","QUARTZ_MICROGRAMS":"0","OCC_CODE_DESC":"BULLDOZER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-09-17"},{"SOURCE_ROW_NUMBER":"163714","CASSETTE_NO":"58595601","SAMPLE_DT":"09/09/2026","QUARTZ_PCT":"02.9","QUARTZ_MICROGRAMS":"5","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-09-09"},{"SOURCE_ROW_NUMBER":"161602","CASSETTE_NO":"58595831","SAMPLE_DT":"09/09/2026","QUARTZ_PCT":"07.4","QUARTZ_MICROGRAMS":"19","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-09-09"},{"SOURCE_ROW_NUMBER":"99816","CASSETTE_NO":"58595766","SAMPLE_DT":"09/09/2026","QUARTZ_PCT":"03.0","QUARTZ_MICROGRAMS":"6","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-09-09"},{"SOURCE_ROW_NUMBER":"70669","CASSETTE_NO":"58595592","SAMPLE_DT":"09/09/2026","QUARTZ_PCT":"01.0","QUARTZ_MICROGRAMS":"3","OCC_CODE_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-09-09"},{"SOURCE_ROW_NUMBER":"59305","CASSETTE_NO":"58595607","SAMPLE_DT":"09/09/2026","QUARTZ_MICROGRAMS":"0","OCC_CODE_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-09-09"},{"SOURCE_ROW_NUMBER":"57966","CASSETTE_NO":"58595590","SAMPLE_DT":"09/09/2026","QUARTZ_PCT":"01.7","QUARTZ_MICROGRAMS":"2","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-09-09"},{"SOURCE_ROW_NUMBER":"36494","CASSETTE_NO":"58595854","SAMPLE_DT":"09/09/2026","QUARTZ_PCT":"03.9","QUARTZ_MICROGRAMS":"5","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-09-09"},{"SOURCE_ROW_NUMBER":"7631","CASSETTE_NO":"58596114","SAMPLE_DT":"09/09/2026","QUARTZ_PCT":"01.5","QUARTZ_MICROGRAMS":"3","OCC_CODE_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-09-09"},{"SOURCE_ROW_NUMBER":"377","CASSETTE_NO":"58595576","SAMPLE_DT":"09/09/2026","QUARTZ_PCT":"00.9","QUARTZ_MICROGRAMS":"2","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-09-09"},{"SOURCE_ROW_NUMBER":"159707","CASSETTE_NO":"58593689","SAMPLE_DT":"06/03/2026","QUARTZ_PCT":"04.5","QUARTZ_MICROGRAMS":"8","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-06-03"},{"SOURCE_ROW_NUMBER":"114189","CASSETTE_NO":"58593388","SAMPLE_DT":"06/03/2026","QUARTZ_PCT":"07.9","QUARTZ_MICROGRAMS":"24","OCC_CODE_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2026-06-03"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":1101,"firstDate":"2018-02-26","lastDate":"2026-10-08","metrics":{"ss":210,"amountDue":739006,"contested":0,"amountPaid":579015,"recentRows":896,"section104d":5,"unterminated":4,"proposedPenalty":862499},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2983483","VIOLATION_NO":"5131423","VIOLATION_ISSUE_DT":"10/08/2026","SIG_SUB":"Y","PART_SECTION":"75.220(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/08/2026","CONTESTED_IND":"N","sourceDate":"2026-10-08"},{"SOURCE_ROW_NUMBER":"2983496","VIOLATION_NO":"5134923","VIOLATION_ISSUE_DT":"10/07/2026","SIG_SUB":"Y","PART_SECTION":"75.1403","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","CONTESTED_IND":"N","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"2983495","VIOLATION_NO":"5134922","VIOLATION_ISSUE_DT":"10/07/2026","SIG_SUB":"N","PART_SECTION":"75.370(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/07/2026","CONTESTED_IND":"N","sourceDate":"2026-10-07"},{"SOURCE_ROW_NUMBER":"2983494","VIOLATION_NO":"5134545","VIOLATION_ISSUE_DT":"10/06/2026","SIG_SUB":"Y","PART_SECTION":"75.512","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"10/06/2026","CONTESTED_IND":"N","sourceDate":"2026-10-06"},{"SOURCE_ROW_NUMBER":"2983493","VIOLATION_NO":"5134544","VIOLATION_ISSUE_DT":"10/06/2026","SIG_SUB":"N","PART_SECTION":"75.503","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","CONTESTED_IND":"N","sourceDate":"2026-10-06"},{"SOURCE_ROW_NUMBER":"2983492","VIOLATION_NO":"5134543","VIOLATION_ISSUE_DT":"10/06/2026","SIG_SUB":"N","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/06/2026","CONTESTED_IND":"N","sourceDate":"2026-10-06"},{"SOURCE_ROW_NUMBER":"2983491","VIOLATION_NO":"5134542","VIOLATION_ISSUE_DT":"10/06/2026","SIG_SUB":"N","PART_SECTION":"75.370(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","CONTESTED_IND":"N","sourceDate":"2026-10-06"},{"SOURCE_ROW_NUMBER":"2983490","VIOLATION_NO":"5134541","VIOLATION_ISSUE_DT":"10/05/2026","SIG_SUB":"Y","PART_SECTION":"75.604(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/05/2026","CONTESTED_IND":"N","sourceDate":"2026-10-05"},{"SOURCE_ROW_NUMBER":"2983489","VIOLATION_NO":"5134540","VIOLATION_ISSUE_DT":"10/05/2026","SIG_SUB":"Y","PART_SECTION":"75.1725(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/05/2026","CONTESTED_IND":"N","sourceDate":"2026-10-05"},{"SOURCE_ROW_NUMBER":"2983488","VIOLATION_NO":"5134539","VIOLATION_ISSUE_DT":"10/05/2026","SIG_SUB":"N","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/06/2026","CONTESTED_IND":"N","sourceDate":"2026-10-05"},{"SOURCE_ROW_NUMBER":"2983487","VIOLATION_NO":"5134538","VIOLATION_ISSUE_DT":"10/05/2026","SIG_SUB":"N","PART_SECTION":"75.503","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/06/2026","CONTESTED_IND":"N","sourceDate":"2026-10-05"},{"SOURCE_ROW_NUMBER":"2983486","VIOLATION_NO":"5134537","VIOLATION_ISSUE_DT":"10/01/2026","SIG_SUB":"N","PART_SECTION":"75.515","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/05/2026","CONTESTED_IND":"N","sourceDate":"2026-10-01"}]}],"safety":{"href":"/api/v1/mines/4609541/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4609541/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":{"averageEmployees":98,"companyType":"Operating Subsidiary","components":[{"averageEmployees":98,"laborHours":237132,"mineType":"Underground","productionTons":496493}],"county":"Logan","laborHours":237132,"mineName":"No. 2 Gas","mineType":"Underground","mshaId":"4609541","operatingAddress":"P.O. Box 219, Verner, WV 25650","operatingCompany":"Ramaco Resources, Llc","operationType":"Mine only","productionTons":496493,"reportedRows":1,"sourceUrl":"https://www.eia.gov/coal/data/public/xls/coalpublic2024.xlsx","state":"West Virginia (Southern)","status":"Active","supplyRegion":"Appalachia Central","union":"","year":2024},"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.220","heading":"Roof control plan.","id":"75.220","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"C","subpartHeading":"Subpart C—Roof Support","text":"(a)(1) Each mine operator shall develop and follow a roof control plan, approved by the District Manager, that is suitable to the prevailing geological conditions, and the mining system to be used at the mine. Additional measures shall be taken to protect persons if unusual hazards are encountered.\n\n(2) The proposed roof control plan and any revisions to the plan shall be submitted, in writing, to the District Manager. When revisions to a roof control plan are proposed, only the revised pages need to be submitted unless otherwise specified by the District Manager.\n\n(b)(1) The mine operator will be notified in writing of the approval or denial of approval of a proposed roof control plan or proposed revision.\n\n(2) When approval of a proposed plan or revision is denied, the deficiencies of the plan or revision and recommended changes will be specified and the mine operator will be afforded an opportunity to discuss the deficiencies and changes with the District Manager.\n\n(3) Before new support materials, devices or systems other than roof bolts and accessories, are used as the only means of roof support, the District Manager may require that their effectiveness be demonstrated by experimental installations.\n\n(c) No proposed roof control plan or revision to a roof control plan shall be implemented before it is approved.\n\n(d) Before implementing an approved revision to a roof control plan, all persons who are affected by the revision shall be instructed in its provisions.\n\n(e) The approved roof control plan and any revisions shall be available to the miners and representative of miners at the mine.\n\n[53 FR 2375, Jan. 27, 1988; 53 FR 11395, Apr. 6, 1988, as amended at 60 FR 33723, June 29, 1995; 71 FR 16668, Apr. 3, 2006]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1403","heading":"Other safeguards.","id":"75.1403","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"O","subpartHeading":"Subpart O—Hoisting and Mantrips","text":"[Statutory Provisions]\n\nOther safeguards adequate, in the judgment of an authorized representative of the Secretary, to minimize hazards with respect to transportation of men and materials shall be provided.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.370","heading":"Mine ventilation plan; submission and approval.","id":"75.370","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"D","subpartHeading":"Subpart D—Ventilation","text":"(a)(1) The operator shall develop and follow a ventilation plan approved by the district manager. The plan shall be designed to control methane and respirable dust and shall be suitable to the conditions and mining system at the mine. The ventilation plan shall consist of two parts, the plan content as prescribed in § 75.371 and the ventilation map with information as prescribed in § 75.372. Only that portion of the map which contains information required under § 75.371 will be subject to approval by the district manager.\n\n(2) The proposed ventilation plan and any revision to the plan shall be submitted in writing to the district manager. When revisions to a ventilation plan are proposed, only the revised pages, maps, or sketches of the plan need to be submitted. When required in writing by the district manager, the operator shall submit a fully revised plan by consolidating the plan and all revisions in an orderly manner and by deleting all outdated material.\n\n(3) (i) The mine operator shall notify the representative of miners at least 5 days prior to submission of a mine ventilation plan and any revision to a mine ventilation plan. If requested, the mine operator shall provide a copy to the representative of miners at the time of notification. In the event of a situation requiring immediate action on a plan revision, notification of the revision shall be given, and if requested, a copy of the revision shall be provided, to the representative of miners by the operator at the time of submittal;\n\n(ii) A copy of the proposed ventilation plan, and a copy of any proposed revision, submitted for approval shall be made available for inspection by the representative of miners; and\n\n(iii) A copy of the proposed ventilation plan, and a copy of any proposed revision, submitted for approval shall be posted on the mine bulletin board at the time of submittal. The proposed plan or proposed revision shall remain posted until it is approved, withdrawn or denied.\n\n(b) Following receipt of the proposed plan or proposed revision, the representative of miners may submit timely comments to the district manager, in writing, for consideration during the review process. A copy of these comments shall also be provided to the operator by the district manager upon request.\n\n(c) (1) The district manager will notify the operator in writing of the approval or denial of approval of a proposed ventilation plan or proposed revision. A copy of this notification will be sent to the representative of miners by the district manager.\n\n(2) If the district manager denies approval of a proposed plan or revision, the deficiencies of the plan or revision shall be specified in writing and the operator will be provided an opportunity to discuss the deficiencies with the district manager.\n\n(d) No proposed ventilation plan shall be implemented before it is approved by the district manager. Any intentional change to the ventilation system that alters the main air current or any split of the main air current in a manner that could materially affect the safety and health of the miners, or any change to the information required in § 75.371 shall be submitted to and approved by the district manager before implementation.\n\n(e) Before implementing an approved ventilation plan or a revision to a ventilation plan, persons affected by the revision shall be instructed by the operator in its provisions.\n\n(f) The approved ventilation plan and any revisions shall be—\n\n(1) Provided upon request to the representative of miners by the operator following notification of approval;\n\n(2) Made available for inspection by the representative of miners; and\n\n(3) Posted on the mine bulletin board within 1 working day following notification of approval. The approved plan and revisions shall remain posted on the bulletin board for the period that they are in effect.\n\n(g) The ventilation plan for each mine shall be reviewed every 6 months by an authorized representative of the Secretary to assure that it is suitable to current conditions in the mine.","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.512","heading":"Electric equipment; examination, testing and maintenance.","id":"75.512","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"F","subpartHeading":"Subpart F—Electrical Equipment—General","text":"[Statutory Provision]\n\nAll electric equipment shall be frequently examined, tested, and properly maintained by a qualified person to assure safe operating conditions. When a potentially dangerous condition is found on electric equipment, such equipment shall be removed from service until such condition is corrected. A record of such examinations shall be kept and made available to an authorized representative of the Secretary and to the miners in such mine.\n\n[35 FR 17890, Nov. 20, 1970, as amended at 60 FR 33723, June 29, 1995]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.503","heading":"Permissible electric face equipment; maintenance.","id":"75.503","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"F","subpartHeading":"Subpart F—Electrical Equipment—General","text":"[Statutory Provisions]\n\nThe operator of each coal mine shall maintain in permissible condition all electric face equipment required by §§ 75.500, 75.501, 75.504 to be permissible which is taken into or used inby the last open crosscut of any such mine.","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.400","heading":"Accumulation of combustible materials.","id":"75.400","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Combustible Materials and Rock Dusting","text":"Coal dust, including float coal dust deposited on rock-dusted surfaces, loose coal, and other combustible materials, shall be cleaned up and not be permitted to accumulate in active workings, or on diesel-powered and electric equipment therein.\n\n[61 FR 55527, Oct. 25, 1996]","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.604","heading":"Permanent splicing of trailing cables.","id":"75.604","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.604","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"G","subpartHeading":"Subpart G—Trailing Cables","text":"[Statutory Provisions]\n\nWhen permanent splices in trailing cables are made, they shall be:\n\n(a) Mechanically strong with adequate electrical conductivity and flexibility;\n\n(b) Effectively insulated and sealed so as to exclude moisture; and\n\n(c) Vulcanized or otherwise treated with suitable materials to provide flame-resistant qualities and good bonding to the outer jacket.\n\n(d) Made using splice kits accepted or approved by MSHA as flame resistant.\n\n[35 FR 17890, Nov. 20, 1970, as amended at 57 FR 61223, Dec. 23, 1992]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1725","heading":"Machinery and equipment; operation and maintenance.","id":"75.1725","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1725","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"R","subpartHeading":"Subpart R—Miscellaneous","text":"(a) Mobile and stationary machinery and equipment shall be maintained in safe operating condition and machinery or equipment in unsafe condition shall be removed from service immediately.\n\n(b) Machinery and equipment shall be operated only by persons authorized to operate such machinery or equipment.\n\n(c) Repairs or maintenance shall not be performed on machinery until the power is off and the machinery is blocked against motion, except where machinery motion is necessary to make adjustments.\n\n(d) Machinery shall not be lubricated manually while in motion, unless equipped with extended fittings or cups.\n\n[38 FR 4976, Feb. 23, 1973]","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.515","heading":"Cable fittings; suitability.","id":"75.515","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.515","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"F","subpartHeading":"Subpart F—Electrical Equipment—General","text":"[Statutory Provision]\n\nCables shall enter metal frames of motors, splice boxes, and electric compartments only through proper fittings. When insulated wires other than cables pass through metal frames, the holes shall be substantially bushed with insulated bushings.","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4609541","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}