{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3609371","name":"MINE 78","status":"Abandoned and Sealed","status_date":"2026-07-16","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"PA","county":"Somerset","nearest_town":"Windber","operator_id":"P09635","operator_name":"ROSEBUD MINING COMPANY","controller_id":"C07485","controller_name":"J Clifford  Forrest III","district":"C03","office":"Indiana PA Field Office","employees":0,"latitude":40.280556,"longitude":-78.769167},"coverage":{"contributingSources":17,"registeredSources":20,"sourceRows":15027},"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":"3609371","name":"MINE 78"},"operator":{"type":"operator","id":"P09635","name":"ROSEBUD MINING COMPANY"},"controller":{"type":"controller","id":"C07485","name":"J Clifford  Forrest III"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07485","name":"J Clifford  Forrest III"},"object":{"type":"mine","id":"3609371","name":"MINE 78"},"validFrom":"1979-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609371|C07485|1979-08-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P09635","name":"Rosebud Mining Company"},"object":{"type":"mine","id":"3609371","name":"MINE 78"},"validFrom":"2005-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609371|P09635|2005-11-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07485","name":"J Clifford  Forrest III"},"object":{"type":"operator","id":"P09635","name":"Rosebud Mining Company"},"validFrom":"2005-11-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3609371","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609371|P09635|2005-11-01|C07485|1979-08-01|74806"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"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":132,"firstDate":"2006-12-05","lastDate":"2025-09-16","metrics":{"daysLost":5218,"injuries":113,"fatalities":0,"recentRows":40,"restrictedDays":218,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"114513","DOCUMENT_NO":"220252670021","ACCIDENT_DT":"09/16/2025","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"A roof fall was discovered on the preshift examination on 9/16/2025 near spad 1740 in the beltline. The area was mine in July 1980 and bolted with 5 fully grouted bolts with straps. The fall was about 5 high and 98 long.","sourceDate":"2025-09-16"},{"SOURCE_ROW_NUMBER":"11467","DOCUMENT_NO":"220252050013","ACCIDENT_DT":"07/15/2025","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"ELECTRICAL","ACCIDENT_TYPE":"Contact with electrical current","OCCUPATION":"Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"4","NARRATIVE":"Employee was changing fuse on a 60V quick charger. EE unplugged the wrong charger and inserted the fuse without the fuse cap which resulted in EE feeling a shock. Employee claimed later that EE felt a tightness in EE's chest and had abnormal breathing.","sourceDate":"2025-07-15"},{"SOURCE_ROW_NUMBER":"80257","DOCUMENT_NO":"220252180028","ACCIDENT_DT":"05/22/2025","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in pulling or pushing objects","OCCUPATION":"Miner, NEC","NO_INJURIES":"1","DAYS_LOST":"95","NARRATIVE":"Employee strained right shoulder while bending a 6' roof bolt and worked until 8.1.2025 making it a loss time accident.","sourceDate":"2025-05-22"},{"SOURCE_ROW_NUMBER":"269486","DOCUMENT_NO":"220251320002","ACCIDENT_DT":"05/05/2025","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":"Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was bending a 6' roof bolt when EE's pinky finger got pinched between the roof bolt plate and bolt, resulting in needing 3 stitches.","sourceDate":"2025-05-05"},{"SOURCE_ROW_NUMBER":"140453","DOCUMENT_NO":"220250910005","ACCIDENT_DT":"03/25/2025","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was loading straps onto the roof bolter, when the strap edge grazed EE's left forearm. This resulted in a laceration requiring stitches.","sourceDate":"2025-03-25"},{"SOURCE_ROW_NUMBER":"131669","DOCUMENT_NO":"220250160011","ACCIDENT_DT":"01/14/2025","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in pulling or pushing objects","OCCUPATION":"Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"20","NARRATIVE":"Employee was bending a six foot roof bolt when EE felt a pop in their left shoulder. Not sure of the extent at this time.","sourceDate":"2025-01-14"},{"SOURCE_ROW_NUMBER":"88806","DOCUMENT_NO":"220243270026","ACCIDENT_DT":"11/19/2024","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was placing a roof bolt into the chuck of a twin boom bolter head, when the roof bolt plate cut EE's finger resulting in stitches.","sourceDate":"2024-11-19"},{"SOURCE_ROW_NUMBER":"45815","DOCUMENT_NO":"220242410005","ACCIDENT_DT":"08/19/2024","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"A roof fall above anchorage was found during the preshift examination in the belt entry of O-Mains near survey spad 11514. The roof fall was in the intersection of the belt line in an isolated area where adverse roof was encountered. The area was mined approximately 7 years ago.","sourceDate":"2024-08-19"},{"SOURCE_ROW_NUMBER":"248039","DOCUMENT_NO":"220241830034","ACCIDENT_DT":"06/20/2024","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall onto or against objects","OCCUPATION":"Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was bending a bolt when EE's hand slipped off the bolt causing EE to fall forward. Using EE's arms to brace EE's fall, EE's right forearm struck a roof plate laying in the mud. This caused a laceration.","sourceDate":"2024-06-20"},{"SOURCE_ROW_NUMBER":"93024","DOCUMENT_NO":"220241830033","ACCIDENT_DT":"06/18/2024","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"158","NARRATIVE":"Employee was reaching for a strap on the bolter when EE slipped and landed on EE's left shoulder.","sourceDate":"2024-06-18"},{"SOURCE_ROW_NUMBER":"261021","DOCUMENT_NO":"220241760019","ACCIDENT_DT":"06/17/2024","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in pulling or pushing objects","OCCUPATION":"Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"70","NARRATIVE":"Employee was bending roof bolts and felt a pull in their shoulder.","sourceDate":"2024-06-17"},{"SOURCE_ROW_NUMBER":"209255","DOCUMENT_NO":"220241380018","ACCIDENT_DT":"05/09/2024","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler","NO_INJURIES":"1","DAYS_LOST":"81","NARRATIVE":"Employee was hand loading loose crib blocks into a scoop bucket and felt a sharp pain in neck/back area.","sourceDate":"2024-05-09"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2026-07-16","lastDate":"2026-07-16","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":1786,"firstDate":"2006-04-03","lastDate":"2025-09-23","metrics":{"ss":349,"delinquent":1743,"recentRows":244,"paidPenalty":792883.2,"proposedPenalty":1187662,"currentAssessment":792883.2},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1659468","VIOLATION_NO":"5153151","ISSUE_DT":"09/23/2025","CFR_STANDARD_CD":"50.10(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-09-23"},{"SOURCE_ROW_NUMBER":"1659469","VIOLATION_NO":"9208673","ISSUE_DT":"09/03/2025","CFR_STANDARD_CD":"75.503","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-09-03"},{"SOURCE_ROW_NUMBER":"1659472","VIOLATION_NO":"9607270","ISSUE_DT":"07/24/2025","CFR_STANDARD_CD":"75.511-1","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"504.00","CURRENT_ASSESSMENT_AMT":"504.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-07-24"},{"SOURCE_ROW_NUMBER":"1659471","VIOLATION_NO":"9607269","ISSUE_DT":"07/24/2025","CFR_STANDARD_CD":"75.511","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"504.00","CURRENT_ASSESSMENT_AMT":"504.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-07-24"},{"SOURCE_ROW_NUMBER":"1659470","VIOLATION_NO":"9607262","ISSUE_DT":"07/08/2025","CFR_STANDARD_CD":"75.1909(c)(5)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-07-08"},{"SOURCE_ROW_NUMBER":"1659467","VIOLATION_NO":"9208671","ISSUE_DT":"06/17/2025","CFR_STANDARD_CD":"75.1714-3(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-06-17"},{"SOURCE_ROW_NUMBER":"1659466","VIOLATION_NO":"9208670","ISSUE_DT":"05/28/2025","CFR_STANDARD_CD":"75.400","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-05-28"},{"SOURCE_ROW_NUMBER":"1659465","VIOLATION_NO":"9208669","ISSUE_DT":"05/28/2025","CFR_STANDARD_CD":"75.512","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-05-28"},{"SOURCE_ROW_NUMBER":"1659464","VIOLATION_NO":"9208668","ISSUE_DT":"05/28/2025","CFR_STANDARD_CD":"75.1725(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-05-28"},{"SOURCE_ROW_NUMBER":"1659463","VIOLATION_NO":"9208667","ISSUE_DT":"05/28/2025","CFR_STANDARD_CD":"75.220(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-05-28"},{"SOURCE_ROW_NUMBER":"1668218","VIOLATION_NO":"9603474","ISSUE_DT":"03/11/2025","CFR_STANDARD_CD":"77.1110","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-03-11"},{"SOURCE_ROW_NUMBER":"1668217","VIOLATION_NO":"9603473","ISSUE_DT":"03/03/2025","CFR_STANDARD_CD":"77.1110","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-03-03"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":391,"firstDate":"2007-09-28","lastDate":"2025-05-14","metrics":{"appeals":0,"decisions":391,"recentRows":29,"decisionPenalty":538268.2,"originalPenalty":944952},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"163438","VIOLATION_NO":"9208401","DOCKET_NO":"PENN 2025-0056","DECISION_DT":"05/14/2025","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1773.00","DECISION_PENALTY_AMT":"357.00","JUDGE_FIRST_NAME":"Thomas","JUDGE_LAST_NAME":"McCarthy","sourceDate":"2025-05-14"},{"SOURCE_ROW_NUMBER":"451279","VIOLATION_NO":"9208356","DOCKET_NO":"PENN 2025-0007","DECISION_DT":"03/05/2025","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"935.00","DECISION_PENALTY_AMT":"935.00","JUDGE_FIRST_NAME":"John","JUDGE_LAST_NAME":"Lewis","sourceDate":"2025-03-05"},{"SOURCE_ROW_NUMBER":"161507","VIOLATION_NO":"9207893","DOCKET_NO":"PENN 2025-0007","DECISION_DT":"03/05/2025","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"935.00","DECISION_PENALTY_AMT":"935.00","JUDGE_FIRST_NAME":"John","JUDGE_LAST_NAME":"Lewis","sourceDate":"2025-03-05"},{"SOURCE_ROW_NUMBER":"449689","VIOLATION_NO":"9602238","DOCKET_NO":"PENN 2024-0089","DECISION_DT":"12/12/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"147.00","DECISION_PENALTY_AMT":"147.00","JUDGE_FIRST_NAME":"Michael","JUDGE_LAST_NAME":"Young","sourceDate":"2024-12-12"},{"SOURCE_ROW_NUMBER":"448842","VIOLATION_NO":"9208169","DOCKET_NO":"PENN 2024-0089","DECISION_DT":"12/12/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1773.00","DECISION_PENALTY_AMT":"797.00","JUDGE_FIRST_NAME":"Michael","JUDGE_LAST_NAME":"Young","sourceDate":"2024-12-12"},{"SOURCE_ROW_NUMBER":"448802","VIOLATION_NO":"9602239","DOCKET_NO":"PENN 2024-0089","DECISION_DT":"12/12/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"147.00","DECISION_PENALTY_AMT":"147.00","JUDGE_FIRST_NAME":"Michael","JUDGE_LAST_NAME":"Young","sourceDate":"2024-12-12"},{"SOURCE_ROW_NUMBER":"160852","VIOLATION_NO":"9602241","DOCKET_NO":"PENN 2024-0089","DECISION_DT":"12/12/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"147.00","DECISION_PENALTY_AMT":"147.00","JUDGE_FIRST_NAME":"Michael","JUDGE_LAST_NAME":"Young","sourceDate":"2024-12-12"},{"SOURCE_ROW_NUMBER":"160851","VIOLATION_NO":"9208173","DOCKET_NO":"PENN 2024-0089","DECISION_DT":"12/12/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1773.00","DECISION_PENALTY_AMT":"797.00","JUDGE_FIRST_NAME":"Michael","JUDGE_LAST_NAME":"Young","sourceDate":"2024-12-12"},{"SOURCE_ROW_NUMBER":"160713","VIOLATION_NO":"9602240","DOCKET_NO":"PENN 2024-0089","DECISION_DT":"12/12/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"147.00","DECISION_PENALTY_AMT":"147.00","JUDGE_FIRST_NAME":"Michael","JUDGE_LAST_NAME":"Young","sourceDate":"2024-12-12"},{"SOURCE_ROW_NUMBER":"445926","VIOLATION_NO":"9207134","DOCKET_NO":"PENN 2024-0043","DECISION_DT":"04/03/2024","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"260.00","DECISION_PENALTY_AMT":"260.00","JUDGE_FIRST_NAME":"John","JUDGE_LAST_NAME":"Sullivan","sourceDate":"2024-04-03"},{"SOURCE_ROW_NUMBER":"159129","VIOLATION_NO":"9206525","DOCKET_NO":"PENN 2024-0043","DECISION_DT":"04/03/2024","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"861.00","DECISION_PENALTY_AMT":"861.00","JUDGE_FIRST_NAME":"John","JUDGE_LAST_NAME":"Sullivan","sourceDate":"2024-04-03"},{"SOURCE_ROW_NUMBER":"158324","VIOLATION_NO":"9207457","DOCKET_NO":"PENN 2024-0023","DECISION_DT":"03/26/2024","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"834.00","DECISION_PENALTY_AMT":"834.00","JUDGE_FIRST_NAME":"John","JUDGE_LAST_NAME":"Sullivan","sourceDate":"2024-03-26"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":8494,"firstDate":"2007-05-23","lastDate":"2025-10-08","metrics":{"recentRows":3638,"cpdmSamples":5986,"voidSamples":1825,"validSamples":6669,"maxConcentration":70.826,"concentrationTotal":6464.833},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2085676","SMP_TAKEN_DT":"10/8/2025","CONC":".271","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"MINE NOT IN PRODUCING STATUS","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2025-10-08"},{"SOURCE_ROW_NUMBER":"2170719","SMP_TAKEN_DT":"9/4/2025","CONC":".669","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CPDM","sourceDate":"2025-09-04"},{"SOURCE_ROW_NUMBER":"2938415","SMP_TAKEN_DT":"9/3/2025","CONC":".515","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CPDM","sourceDate":"2025-09-03"},{"SOURCE_ROW_NUMBER":"2427367","SMP_TAKEN_DT":"9/3/2025","CONC":".081","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CPDM","sourceDate":"2025-09-03"},{"SOURCE_ROW_NUMBER":"2767901","SMP_TAKEN_DT":"9/2/2025","CONC":".579","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CPDM","sourceDate":"2025-09-02"},{"SOURCE_ROW_NUMBER":"2767789","SMP_TAKEN_DT":"9/2/2025","CONC":".713","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CPDM","sourceDate":"2025-09-02"},{"SOURCE_ROW_NUMBER":"1520697","CASS_NUM":"58571232","SMP_TAKEN_DT":"9/2/2025","CONC":".084","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"CLERK/TIMEKEEPER","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2025-09-02"},{"SOURCE_ROW_NUMBER":"347729","CASS_NUM":"58571161","SMP_TAKEN_DT":"9/2/2025","CONC":".039","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"MECHANIC","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2025-09-02"},{"SOURCE_ROW_NUMBER":"3023280","SMP_TAKEN_DT":"8/27/2025","CONC":".821","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CPDM","sourceDate":"2025-08-27"},{"SOURCE_ROW_NUMBER":"1745660","SMP_TAKEN_DT":"8/27/2025","CONC":".357","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CPDM","sourceDate":"2025-08-27"},{"SOURCE_ROW_NUMBER":"2853619","SMP_TAKEN_DT":"8/26/2025","CONC":".428","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CPDM","sourceDate":"2025-08-26"},{"SOURCE_ROW_NUMBER":"2682647","SMP_TAKEN_DT":"8/26/2025","CONC":".672","SMP_TYPE_CD_DESC":"DESIGNATED AREA","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"OCCUPATION CODE NOT FOUND","DEVICE_TYPE_CD":"CPDM","sourceDate":"2025-08-26"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":29,"firstDate":"2008-03-12","lastDate":"2023-04-26","metrics":{"linkedIssuances":29},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":395,"firstDate":"2007-03-28","lastDate":"2024-10-29","metrics":{"decisions":395,"ssChanged":63,"recentRows":24,"decisionPenalty":538268.2,"proposedPenalty":947352},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"338255","CITATION_NO":"9208401","CITATION_ISSUE_DT":"10/29/2024","DOCKET_NO":"PENN 2025-0056","DECISION_DT":"05/14/2025","CFR_STANDARD_CODE":"75.1714-3(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1773.00","DECISION_PENALTY_AMT":"357.00","sourceDate":"2024-10-29"},{"SOURCE_ROW_NUMBER":"166394","CITATION_NO":"9208356","CITATION_ISSUE_DT":"07/11/2024","DOCKET_NO":"PENN 2025-0007","DECISION_DT":"03/05/2025","CFR_STANDARD_CODE":"75.517","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"935.00","DECISION_PENALTY_AMT":"935.00","sourceDate":"2024-07-11"},{"SOURCE_ROW_NUMBER":"391869","CITATION_NO":"9207893","CITATION_ISSUE_DT":"07/09/2024","DOCKET_NO":"PENN 2025-0007","DECISION_DT":"03/05/2025","CFR_STANDARD_CODE":"75.517","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"935.00","DECISION_PENALTY_AMT":"935.00","sourceDate":"2024-07-09"},{"SOURCE_ROW_NUMBER":"391130","CITATION_NO":"9602239","CITATION_ISSUE_DT":"04/24/2024","DOCKET_NO":"PENN 2024-0089","DECISION_DT":"12/12/2024","CFR_STANDARD_CODE":"75.1103-9(a)(2)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"147.00","DECISION_PENALTY_AMT":"147.00","sourceDate":"2024-04-24"},{"SOURCE_ROW_NUMBER":"338667","CITATION_NO":"9602238","CITATION_ISSUE_DT":"04/24/2024","DOCKET_NO":"PENN 2024-0089","DECISION_DT":"12/12/2024","CFR_STANDARD_CODE":"75.1103-9(a)(2)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"147.00","DECISION_PENALTY_AMT":"147.00","sourceDate":"2024-04-24"},{"SOURCE_ROW_NUMBER":"56162","CITATION_NO":"9602240","CITATION_ISSUE_DT":"04/24/2024","DOCKET_NO":"PENN 2024-0089","DECISION_DT":"12/12/2024","CFR_STANDARD_CODE":"75.1103-9(a)(2)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"147.00","DECISION_PENALTY_AMT":"147.00","sourceDate":"2024-04-24"},{"SOURCE_ROW_NUMBER":"53857","CITATION_NO":"9602241","CITATION_ISSUE_DT":"04/24/2024","DOCKET_NO":"PENN 2024-0089","DECISION_DT":"12/12/2024","CFR_STANDARD_CODE":"75.1103-9(a)(2)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"147.00","DECISION_PENALTY_AMT":"147.00","sourceDate":"2024-04-24"},{"SOURCE_ROW_NUMBER":"223233","CITATION_NO":"9208173","CITATION_ISSUE_DT":"04/16/2024","DOCKET_NO":"PENN 2024-0089","DECISION_DT":"12/12/2024","CFR_STANDARD_CODE":"75.517","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1773.00","DECISION_PENALTY_AMT":"797.00","sourceDate":"2024-04-16"},{"SOURCE_ROW_NUMBER":"52134","CITATION_NO":"9208169","CITATION_ISSUE_DT":"04/08/2024","DOCKET_NO":"PENN 2024-0089","DECISION_DT":"12/12/2024","CFR_STANDARD_CODE":"75.517","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1773.00","DECISION_PENALTY_AMT":"797.00","sourceDate":"2024-04-08"},{"SOURCE_ROW_NUMBER":"278686","CITATION_NO":"9206525","CITATION_ISSUE_DT":"12/20/2023","DOCKET_NO":"PENN 2024-0043","DECISION_DT":"04/03/2024","CFR_STANDARD_CODE":"75.517","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"861.00","DECISION_PENALTY_AMT":"861.00","sourceDate":"2023-12-20"},{"SOURCE_ROW_NUMBER":"395351","CITATION_NO":"9207134","CITATION_ISSUE_DT":"12/04/2023","DOCKET_NO":"PENN 2024-0043","DECISION_DT":"04/03/2024","CFR_STANDARD_CODE":"77.404(a)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"260.00","DECISION_PENALTY_AMT":"260.00","sourceDate":"2023-12-04"},{"SOURCE_ROW_NUMBER":"282027","CITATION_NO":"9207457","CITATION_ISSUE_DT":"10/13/2023","DOCKET_NO":"PENN 2024-0023","DECISION_DT":"03/26/2024","CFR_STANDARD_CODE":"75.1725(a)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"834.00","DECISION_PENALTY_AMT":"834.00","sourceDate":"2023-10-13"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":579,"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":136,"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":1,"firstDate":"2005-11-01","lastDate":"2005-11-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":195,"firstDate":"2006-04-03","lastDate":"2026-07-01","metrics":{"inspectors":568,"recentRows":55,"onSiteHours":21233,"inspectionHours":31579.25,"inspectionSamples":3142},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"30558","EVENT_NO":"F008E70","INSPECTION_BEGIN_DT":"07/01/2026","INSPECTION_END_DT":"07/15/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"25.25","SUM_TOTAL_ON_SITE_HOURS":"14","sourceDate":"2026-07-01"},{"SOURCE_ROW_NUMBER":"513111","EVENT_NO":"F00E7C8","INSPECTION_BEGIN_DT":"06/30/2026","INSPECTION_END_DT":"06/30/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2026-06-30"},{"SOURCE_ROW_NUMBER":"149933","EVENT_NO":"F00F4B7","INSPECTION_BEGIN_DT":"06/29/2026","INSPECTION_END_DT":"06/29/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2026-06-29"},{"SOURCE_ROW_NUMBER":"894498","EVENT_NO":"F04750A","INSPECTION_BEGIN_DT":"06/23/2026","INSPECTION_END_DT":"07/13/2026","ACTIVITY_CODE":"E21","ACTIVITY":"Ventilation Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2026-06-23"},{"SOURCE_ROW_NUMBER":"859427","EVENT_NO":"F00E7C4","INSPECTION_BEGIN_DT":"06/22/2026","INSPECTION_END_DT":"06/22/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.5","SUM_TOTAL_ON_SITE_HOURS":"5.75","sourceDate":"2026-06-22"},{"SOURCE_ROW_NUMBER":"227580","EVENT_NO":"F008E61","INSPECTION_BEGIN_DT":"01/07/2026","INSPECTION_END_DT":"02/03/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"10.25","sourceDate":"2026-01-07"},{"SOURCE_ROW_NUMBER":"765913","EVENT_NO":"F008E5F","INSPECTION_BEGIN_DT":"10/01/2025","INSPECTION_END_DT":"12/18/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"83.5","SUM_TOTAL_ON_SITE_HOURS":"54","sourceDate":"2025-10-01"},{"SOURCE_ROW_NUMBER":"928249","EVENT_NO":"6245833","INSPECTION_BEGIN_DT":"09/16/2025","INSPECTION_END_DT":"09/24/2025","ACTIVITY_CODE":"E08","ACTIVITY":"Non-Injury Accident Investigation","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"39.5","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2025-09-16"},{"SOURCE_ROW_NUMBER":"1081398","EVENT_NO":"F01DFFA","INSPECTION_BEGIN_DT":"07/31/2025","INSPECTION_END_DT":"08/27/2025","ACTIVITY_CODE":"E21","ACTIVITY":"Ventilation Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.5","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2025-07-31"},{"SOURCE_ROW_NUMBER":"800583","EVENT_NO":"6232761","INSPECTION_BEGIN_DT":"07/07/2025","INSPECTION_END_DT":"09/29/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"5","SUM_TOTAL_INSP_HOURS":"290","SUM_TOTAL_ON_SITE_HOURS":"195.75","sourceDate":"2025-07-07"},{"SOURCE_ROW_NUMBER":"39334","EVENT_NO":"6232758","INSPECTION_BEGIN_DT":"04/01/2025","INSPECTION_END_DT":"06/24/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"3","SUM_TOTAL_INSP_HOURS":"326","SUM_TOTAL_ON_SITE_HOURS":"222.5","sourceDate":"2025-04-01"},{"SOURCE_ROW_NUMBER":"297034","EVENT_NO":"6218380","INSPECTION_BEGIN_DT":"03/19/2025","INSPECTION_END_DT":"03/26/2025","ACTIVITY_CODE":"E20","ACTIVITY":"Roof Control Technical Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2025-03-19"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":160,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":0,"employees":0,"production":0},"2025-Q4":{"hours":9748,"employees":17,"production":9759},"2025-Q3":{"hours":20899,"employees":41,"production":32025},"2025-Q2":{"hours":23127,"employees":38,"production":67025},"2025-Q1":{"hours":26976,"employees":40,"production":15830},"2024-Q4":{"hours":34895,"employees":64,"production":50281},"2024-Q3":{"hours":33962,"employees":63,"production":59428},"2024-Q2":{"hours":32667,"employees":56,"production":54706},"2024-Q1":{"hours":31933,"employees":52,"production":34127},"2023-Q4":{"hours":27338,"employees":41,"production":78478},"2023-Q3":{"hours":21629,"employees":38,"production":34213},"2023-Q2":{"hours":33835,"employees":66,"production":75925}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":42,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":145192,"employees":63,"production":574355},"2018":{"hours":153857,"employees":64,"production":674161},"2019":{"hours":157758,"employees":65,"production":732542},"2020":{"hours":179222,"employees":78,"production":611730},"2021":{"hours":172857,"employees":70,"production":587172},"2022":{"hours":155653,"employees":66,"production":449745},"2023":{"hours":120091,"employees":53,"production":290538},"2024":{"hours":133457,"employees":59,"production":198542},"2025":{"hours":80750,"employees":34,"production":124639},"2026":{"hours":0,"employees":0,"production":0}},"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":333,"firstDate":"2007-06-05","lastDate":"2025-07-09","metrics":{"recentRows":80,"doseOver100":81,"actDoseTotal":22795,"pelDoseTotal":16809},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"172179","EVENT_NO":"6232761","SURVEY_DATE":"07/09/2025","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","ACT_DOSE_85":"71","PEL_DOSE_90":"51","SURVEY_TYPE":"I","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"172178","EVENT_NO":"6232761","SURVEY_DATE":"07/09/2025","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","ACT_DOSE_85":"72","PEL_DOSE_90":"50","SURVEY_TYPE":"I","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"172177","EVENT_NO":"6232761","SURVEY_DATE":"07/09/2025","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","ACT_DOSE_85":"86","PEL_DOSE_90":"67","SURVEY_TYPE":"I","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"172176","EVENT_NO":"6232761","SURVEY_DATE":"07/09/2025","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","MACHINE_CD":"30","ACT_DOSE_85":"85","PEL_DOSE_90":"44","SURVEY_TYPE":"I","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"172175","EVENT_NO":"6232761","SURVEY_DATE":"07/09/2025","OCCUPATION_CD_DESC":"MOBILE BRIDGE OPERATOR","MACHINE_CD":"08","ACT_DOSE_85":"64","PEL_DOSE_90":"40","SURVEY_TYPE":"I","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"172174","EVENT_NO":"6232761","SURVEY_DATE":"07/09/2025","OCCUPATION_CD_DESC":"MOBILE BRIDGE OPERATOR","MACHINE_CD":"08","ACT_DOSE_85":"73","PEL_DOSE_90":"53","SURVEY_TYPE":"I","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"172173","EVENT_NO":"6232761","SURVEY_DATE":"07/09/2025","OCCUPATION_CD_DESC":"CONTINUOUS MINER OPERATOR","MACHINE_CD":"06","ACT_DOSE_85":"68","PEL_DOSE_90":"51","SURVEY_TYPE":"I","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"172340","EVENT_NO":"F00834C","SURVEY_DATE":"12/16/2024","OCCUPATION_CD_DESC":"SUPPLY MAN","MACHINE_CD":"40","ACT_DOSE_85":"73","PEL_DOSE_90":"64","SURVEY_TYPE":"I","sourceDate":"2024-12-16"},{"SOURCE_ROW_NUMBER":"172339","EVENT_NO":"F00834C","SURVEY_DATE":"12/16/2024","OCCUPATION_CD_DESC":"SUPPLY MAN","MACHINE_CD":"40","ACT_DOSE_85":"59","PEL_DOSE_90":"17","SURVEY_TYPE":"I","sourceDate":"2024-12-16"},{"SOURCE_ROW_NUMBER":"172336","EVENT_NO":"F00834C","SURVEY_DATE":"12/10/2024","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"40","ACT_DOSE_85":"50","PEL_DOSE_90":"23","SURVEY_TYPE":"I","sourceDate":"2024-12-10"},{"SOURCE_ROW_NUMBER":"172335","EVENT_NO":"F00834C","SURVEY_DATE":"12/10/2024","OCCUPATION_CD_DESC":"ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)","MACHINE_CD":"30","ACT_DOSE_85":"100","PEL_DOSE_90":"70","SURVEY_TYPE":"I","sourceDate":"2024-12-10"},{"SOURCE_ROW_NUMBER":"172334","EVENT_NO":"F00834C","SURVEY_DATE":"12/10/2024","OCCUPATION_CD_DESC":"MOBILE BRIDGE OPERATOR","MACHINE_CD":"08","ACT_DOSE_85":"75","PEL_DOSE_90":"45","SURVEY_TYPE":"I","sourceDate":"2024-12-10"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":552,"firstDate":"2007-05-23","lastDate":"2025-07-09","metrics":{"recentRows":195,"voidSamples":28,"maxQuartzPct":12.5,"validSamples":524,"quartzPctTotal":1523},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"148634","CASSETTE_NO":"58572641","SAMPLE_DT":"07/09/2025","QUARTZ_PCT":"03.1","QUARTZ_MICROGRAMS":"24","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"129148","CASSETTE_NO":"58572443","SAMPLE_DT":"07/09/2025","QUARTZ_PCT":"02.5","QUARTZ_MICROGRAMS":"7","OCC_CODE_DESC":"MOBILE BRIDGE OPERATOR","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"81378","CASSETTE_NO":"58572442","SAMPLE_DT":"07/09/2025","QUARTZ_PCT":"02.1","QUARTZ_MICROGRAMS":"6","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"55377","CASSETTE_NO":"58572632","SAMPLE_DT":"07/09/2025","QUARTZ_PCT":"01.9","QUARTZ_MICROGRAMS":"8","OCC_CODE_DESC":"MOBILE BRIDGE OPERATOR","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"43369","CASSETTE_NO":"58572625","SAMPLE_DT":"07/09/2025","QUARTZ_PCT":"02.4","QUARTZ_MICROGRAMS":"5","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-07-09"},{"SOURCE_ROW_NUMBER":"127542","CASSETTE_NO":"58571388","SAMPLE_DT":"05/20/2025","QUARTZ_PCT":"01.7","QUARTZ_MICROGRAMS":"8","OCC_CODE_DESC":"MOBILE BRIDGE OPERATOR","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-05-20"},{"SOURCE_ROW_NUMBER":"90390","CASSETTE_NO":"58571502","SAMPLE_DT":"05/20/2025","QUARTZ_PCT":"01.5","QUARTZ_MICROGRAMS":"7","OCC_CODE_DESC":"MOBILE BRIDGE OPERATOR","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-05-20"},{"SOURCE_ROW_NUMBER":"71359","CASSETTE_NO":"58571480","SAMPLE_DT":"05/20/2025","QUARTZ_PCT":"04.1","QUARTZ_MICROGRAMS":"12","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-05-20"},{"SOURCE_ROW_NUMBER":"59830","CASSETTE_NO":"58571484","SAMPLE_DT":"05/20/2025","QUARTZ_PCT":"01.9","QUARTZ_MICROGRAMS":"12","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-05-20"},{"SOURCE_ROW_NUMBER":"22407","CASSETTE_NO":"58571492","SAMPLE_DT":"05/20/2025","QUARTZ_MICROGRAMS":"0","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-05-20"},{"SOURCE_ROW_NUMBER":"159016","CASSETTE_NO":"58535232","SAMPLE_DT":"01/28/2025","QUARTZ_PCT":"03.4","QUARTZ_MICROGRAMS":"45","OCC_CODE_DESC":"MOBILE BRIDGE OPERATOR","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-01-28"},{"SOURCE_ROW_NUMBER":"119934","CASSETTE_NO":"58535227","SAMPLE_DT":"01/28/2025","QUARTZ_PCT":"03.4","QUARTZ_MICROGRAMS":"29","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2025-01-28"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":1800,"firstDate":"2006-04-03","lastDate":"2025-09-23","metrics":{"ss":348,"amountDue":792883.2,"contested":219,"amountPaid":792883.2,"recentRows":248,"section104d":19,"unterminated":0,"proposedPenalty":1187662},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1983896","VIOLATION_NO":"5153151","VIOLATION_ISSUE_DT":"09/23/2025","SIG_SUB":"N","PART_SECTION":"50.10(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/23/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-09-23"},{"SOURCE_ROW_NUMBER":"1984057","VIOLATION_NO":"5153150","VIOLATION_ISSUE_DT":"09/16/2025","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"09/23/2025","CONTESTED_IND":"N","sourceDate":"2025-09-16"},{"SOURCE_ROW_NUMBER":"1983897","VIOLATION_NO":"9208673","VIOLATION_ISSUE_DT":"09/03/2025","SIG_SUB":"N","PART_SECTION":"75.503","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"09/03/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-09-03"},{"SOURCE_ROW_NUMBER":"1983900","VIOLATION_NO":"9607270","VIOLATION_ISSUE_DT":"07/24/2025","SIG_SUB":"Y","PART_SECTION":"75.511-1","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/28/2025","PROPOSED_PENALTY":"504","AMOUNT_DUE":"504","AMOUNT_PAID":"504","CONTESTED_IND":"N","sourceDate":"2025-07-24"},{"SOURCE_ROW_NUMBER":"1983899","VIOLATION_NO":"9607269","VIOLATION_ISSUE_DT":"07/24/2025","SIG_SUB":"Y","PART_SECTION":"75.511","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/28/2025","PROPOSED_PENALTY":"504","AMOUNT_DUE":"504","AMOUNT_PAID":"504","CONTESTED_IND":"N","sourceDate":"2025-07-24"},{"SOURCE_ROW_NUMBER":"1983898","VIOLATION_NO":"9607262","VIOLATION_ISSUE_DT":"07/08/2025","SIG_SUB":"N","PART_SECTION":"75.1909(c)(5)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/08/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-07-08"},{"SOURCE_ROW_NUMBER":"1983296","VIOLATION_NO":"9208671","VIOLATION_ISSUE_DT":"06/17/2025","SIG_SUB":"N","PART_SECTION":"75.1714-3(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/17/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-06-17"},{"SOURCE_ROW_NUMBER":"1983295","VIOLATION_NO":"9208670","VIOLATION_ISSUE_DT":"05/28/2025","SIG_SUB":"N","PART_SECTION":"75.400","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/29/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-05-28"},{"SOURCE_ROW_NUMBER":"1983294","VIOLATION_NO":"9208669","VIOLATION_ISSUE_DT":"05/28/2025","SIG_SUB":"N","PART_SECTION":"75.512","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/28/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-05-28"},{"SOURCE_ROW_NUMBER":"1983293","VIOLATION_NO":"9208668","VIOLATION_ISSUE_DT":"05/28/2025","SIG_SUB":"N","PART_SECTION":"75.1725(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/29/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-05-28"},{"SOURCE_ROW_NUMBER":"1983292","VIOLATION_NO":"9208667","VIOLATION_ISSUE_DT":"05/28/2025","SIG_SUB":"N","PART_SECTION":"75.220(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/28/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-05-28"},{"SOURCE_ROW_NUMBER":"1982758","VIOLATION_NO":"9603474","VIOLATION_ISSUE_DT":"03/11/2025","SIG_SUB":"N","PART_SECTION":"77.1110","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"03/11/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-03-11"}]}],"safety":{"href":"/api/v1/mines/3609371/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3609371/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":{"averageEmployees":59,"companyType":"Independent Producer Operator","components":[{"averageEmployees":59,"laborHours":133457,"mineType":"Underground","productionTons":198542}],"county":"Somerset","laborHours":133457,"mineName":"Mine 78","mineType":"Underground","mshaId":"3609371","operatingAddress":"301 Market Street, Kittanning, PA 16201","operatingCompany":"Rosebud Mining Company","operationType":"Mine only","productionTons":198542,"reportedRows":1,"sourceUrl":"https://www.eia.gov/coal/data/public/xls/coalpublic2024.xlsx","state":"Pennsylvania (Bituminous)","status":"Active","supplyRegion":"Appalachia Northern","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 50.10","heading":"Immediate notification.","id":"50.10","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-B/section-50.10","part":"50","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subchapter":"I","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","subpart":"B","subpartHeading":"Subpart B—Notification, Investigation, Preservation of Evidence","text":"The operator shall immediately contact MSHA at once without delay and within 15 minutes at the toll-free number, 1-800-746-1553, once the operator knows or should know that an accident has occurred involving:\n\n(a) A death of an individual at the mine;\n\n(b) An injury of an individual at the mine which has a reasonable potential to cause death;\n\n(c) An entrapment of an individual at the mine which has a reasonable potential to cause death; or\n\n(d) Any other accident.\n\n[74 FR 68919, Dec. 29, 2009]","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":1},{"chapter":"I","heading":"Qualified person.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.511-1","part":"75","subchapter":"O","subpart":"F","id":"75.511-1","citation":"30 CFR 75.511-1","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Low-, medium-, or high-voltage distribution circuits and equipment; repair.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.511","part":"75","subchapter":"O","subpart":"F","id":"75.511","citation":"30 CFR 75.511","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1909","heading":"Nonpermissible diesel-powered equipment; design and performance requirements.","id":"75.1909","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-T/section-75.1909","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"T","subpartHeading":"Subpart T—Diesel-Powered Equipment","text":"(a) Nonpermissible diesel-powered equipment, except for the special category of equipment under § 75.1908(d), must be equipped with the following features:\n\n(1) An engine approved under subpart E of part 7 of this title equipped with an air filter sized in accordance with the engine manufacturer's recommendations, and an air filter service indicator set in accordance with the engine manufacturer's recommendations;\n\n(2) At least one portable multipurpose dry chemical type (ABC) fire extinguisher listed or approved by a nationally recognized independent testing laboratory with a 10A:60B:C or higher rating. The fire extinguisher must be located within easy reach of the equipment operator and protected from damage;\n\n(3) A fuel system specifically designed for diesel fuel meeting the following requirements:\n\n(i) A fuel tank and fuel lines that do not leak;\n\n(ii) A fuel tank that is substantially constructed and protected against damage by collision;\n\n(iii) A vent opening that maintains atmospheric pressure in the fuel tank, and that is designed to prevent fuel from splashing out of the vent opening;\n\n(iv) A self-closing filler cap on the fuel tank;\n\n(v) The fuel tank, filler and vent must be located so that leaks or spillage during refueling will not contact hot surfaces;\n\n(vi) Fuel line piping must be either steel-wire reinforced; synthetic elastomer-covered hose suitable for use with diesel fuel that has been tested and has been determined to be fire-resistant by the manufacturer; or metal;\n\n(vii) Fuel line piping must be clamped;\n\n(viii) Primary fuel lines must be located so that fuel line leaks do not contact hot surfaces;\n\n(ix) The fuel lines must be separated from electrical wiring and protected from damage in ordinary use;\n\n(x) A manual shutoff valve must be installed in the fuel system as close as practicable to the tank; and\n\n(xi) A water separator and fuel filter(s) must be provided.\n\n(4) A sensor to monitor the temperature and provide a visual warning of an overheated cylinder head on air-cooled engines;\n\n(5) Guarding to protect fuel, hydraulic, and electric lines when such lines pass near rotating parts or in the event of shaft failure;\n\n(6) Hydraulic tanks, fillers, vents, and lines located to prevent spillage or leaks from contacting hot surfaces;\n\n(7) Reflectors or warning lights mounted on the equipment which can be readily seen in all directions;\n\n(8) A means to direct exhaust gas away from the equipment operator, persons on board the machine, and combustible machine components;\n\n(9) A means to prevent unintentional free and uncontrolled descent of personnel-elevating work platforms; and\n\n(10) A means to prevent the spray from ruptured hydraulic or lubricating oil lines from being ignited by contact with engine exhaust system component surfaces.\n\n(b) Self-propelled nonpermissible diesel-powered equipment must have the following features in addition to those in paragraph (a):\n\n(1) A means to ensure that no stored hydraulic energy that will cause machine articulation is available after the engine is shut down;\n\n(2) A neutral start feature which ensures that engine cranking torque will not be transmitted through the powertrain and cause machine movement on vehicles utilizing fluid power transmissions;\n\n(3) For machines with steering wheels, brake pedals, and accelerator pedals, controls which are of automobile orientation;\n\n(4) An audible warning device conveniently located near the equipment operator;\n\n(5) Lights provided and maintained on both ends of the equipment. Equipment normally operated in both directions must be equipped with headlights for both directions;\n\n(6) Service brakes that act on each wheel of the vehicle and that are designed such that failure of any single component, except the brake actuation pedal or other similar actuation device, must not result in a complete loss of service braking capability;\n\n(7) Service brakes that safely bring the fully loaded vehicle to a complete stop on the maximum grade on which it is operated; and\n\n(8) No device that traps a column of fluid to hold the brake in the applied position shall be installed in any brake system, unless the trapped column of fluid is released when the equipment operator is no longer in contact with the brake activation device.\n\n(c) Self-propelled nonpermissible heavy-duty diesel-powered equipment under § 75.1908(a), except rail-mounted equipment, shall be provided with a supplemental braking system that:\n\n(1) Engages automatically within 5 seconds of the shutdown of the engine;\n\n(2) Safely brings the equipment when fully loaded to a complete stop on the maximum grade on which it is operated;\n\n(3) Holds the equipment stationary, despite any contraction of brake parts, exhaustion of any nonmechanical source of energy, or leakage;\n\n(4) Releases only by a manual control that does not operate any other equipment function;\n\n(5) Has a means in the equipment operator's compartment to apply the brakes manually without shutting down the engine, and a means to release and reengage the brakes without the engine operating; and\n\n(6) Has a means to ensure that the supplemental braking system is released before the equipment can be trammed, and is designed to ensure the brake is fully released at all times while the equipment is trammed.\n\n(d) Self-propelled nonpermissible light-duty diesel-powered equipment under § 75.1908(b), except rail-mounted equipment, must be provided with a parking brake that holds the fully loaded equipment stationary on the maximum grade on which it is operated despite any contraction of the brake parts, exhaustion of any nonmechanical source of energy, or leakage.\n\n(e) The supplemental and park brake systems required by paragraphs (c) and (d) must be applied when the equipment operator is not at the controls of the equipment, except during movement of disabled equipment.\n\n(f) Self-propelled personnel-elevating work platforms must be provided with a means to ensure that the parking braking system is released before the equipment can be trammed, and must be designed to ensure the brake is fully released at all times while the equipment is trammed.\n\n(g) Any nonpermissible equipment that discharges its exhaust directly into a return air course must be provided with a power package approved under subpart F of part 7 of this title.\n\n(h) Self-propelled nonpermissible heavy-duty diesel-powered equipment meeting the requirements of § 75.1908(a) must be provided with an automatic fire suppression system meeting the requirements of § 75.1911.\n\n(i) Self-propelled nonpermissible light-duty diesel-powered equipment meeting the requirements of § 75.1908(b) must be provided with an automatic or manual fire suppression system meeting the requirements of § 75.1911.\n\n(j) Nonpermissible equipment that is not self-propelled must have the following features in addition to those listed in paragraph (a):\n\n(1) A means to prevent inadvertent movement of the equipment when parked;\n\n(2) Safety chains or other suitable secondary connections on equipment that is being towed; and\n\n(3) An automatic fire suppression system meeting the requirements of § 75.1911.\n\n[61 FR 55527, Oct. 25, 1996; 62 FR 34641, June 27, 1997]","occurrenceCount":1},{"chapter":"I","heading":"Self-rescue devices; inspection, testing, maintenance, repair, and recordkeeping.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-3","part":"75","subchapter":"O","subpart":"R","id":"75.1714-3","citation":"30 CFR 75.1714-3","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"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":1},{"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 75.1725","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 75.220","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 77.1110","heading":"Examination and maintenance of firefighting equipment.","id":"77.1110","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"Firefighting equipment shall be continuously maintained in a usable and operative condition. Fire extinguishers shall be examined at least once every 6 months and the date of such examination shall be recorded on a permanent tag attached to the extinguisher.\n\n(Pub. L. No. 96-511, 94 Stat. 2812 (44 U.S.C. 3501 et seq.))\n\n[36 FR 9364, May 22, 1971, as amended at 60 FR 33723, June 29, 1995]","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3609371","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}