{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"1519827","name":"Putney Darby Mine #1","status":"Temporarily Idled","status_date":"2025-01-09","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Harlan","nearest_town":"Harlan","operator_id":"0202513","operator_name":"101 Coal Inc.","controller_id":"0194980","controller_name":"Thorberg Collectorate Inc","district":"C07","office":"Harlan KY Field Office","employees":0,"latitude":36.896944,"longitude":-83.221944},"coverage":{"contributingSources":16,"registeredSources":20,"sourceRows":3165},"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":"2026-10-17T05:35:58.500035+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":"1519827","name":"Putney Darby Mine #1"},"operator":{"type":"operator","id":"0202513","name":"101 Coal Inc."},"controller":{"type":"controller","id":"0194980","name":"Thorberg Collectorate Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0131601","name":"Tim B  Lusby"},"object":{"type":"mine","id":"1519827","name":"Putney Darby Mine #1"},"validFrom":"2017-02-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519827|0131601|2017-02-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0149674","name":"JRL Coal Inc"},"object":{"type":"mine","id":"1519827","name":"Putney Darby Mine #1"},"validFrom":"2018-02-28","validTo":"2025-06-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519827|0149674|2018-02-28|2025-06-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0131601","name":"Tim B  Lusby"},"object":{"type":"operator","id":"0149674","name":"JRL Coal Inc"},"validFrom":"2018-02-28","validTo":"2025-06-24","current":false,"derived":true,"evidenceMineId":"1519827","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519827|0149674|2018-02-28|0131601|2017-02-10|26412"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0192480","name":"George  Hillyer"},"object":{"type":"mine","id":"1519827","name":"Putney Darby Mine #1"},"validFrom":"2025-04-30","validTo":"2025-07-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519827|0192480|2025-04-30|2025-07-29"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0202513","name":"101 Coal Inc."},"object":{"type":"mine","id":"1519827","name":"Putney Darby Mine #1"},"validFrom":"2025-06-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519827|0202513|2025-06-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0192480","name":"George  Hillyer"},"object":{"type":"operator","id":"0202513","name":"101 Coal Inc."},"validFrom":"2025-06-25","validTo":"2025-07-29","current":false,"derived":true,"evidenceMineId":"1519827","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519827|0202513|2025-06-25|0192480|2025-04-30|40977"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0194980","name":"Thorberg Collectorate Inc"},"object":{"type":"mine","id":"1519827","name":"Putney Darby Mine #1"},"validFrom":"2025-07-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519827|0194980|2025-07-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0194980","name":"Thorberg Collectorate Inc"},"object":{"type":"operator","id":"0202513","name":"101 Coal Inc."},"validFrom":"2025-07-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519827","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1519827|0202513|2025-06-25|0194980|2025-07-30|41662"}}],"coverage":{"historyRecords":3,"edgeCount":8,"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":27,"firstDate":"2019-01-31","lastDate":"2024-04-09","metrics":{"daysLost":444,"injuries":14,"fatalities":0,"recentRows":17,"restrictedDays":151,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"199367","DOCUMENT_NO":"220241200022","ACCIDENT_DT":"04/09/2024","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Beltman, Conveyor man,  Conveyor belt worker, Mobile bridge carrierman, Feeder operator, Conveyor rider","NO_INJURIES":"1","DAYS_LOST":"25","NARRATIVE":"Injured was shoveling coal out of tail piece on main line (LW Mains) when EE felt a pain in the lower back.","sourceDate":"2024-04-09"},{"SOURCE_ROW_NUMBER":"121863","DOCUMENT_NO":"220233040026","ACCIDENT_DT":"10/31/2023","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)","NO_INJURIES":"1","DAYS_LOST":"43","NARRATIVE":"Injured was drilling to install rib bolt and pulling drill steel from drill hole when a rock fell from top and struck EE and pinned EE against the head of the roof bolter. Injured suffered apparent fractured ribs and possible internal injures. EE was transported to local hospital.","sourceDate":"2023-10-31"},{"SOURCE_ROW_NUMBER":"152145","DOCUMENT_NO":"220240240033","ACCIDENT_DT":"08/25/2023","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"Sandstone mixing with slate roof","sourceDate":"2023-08-25"},{"SOURCE_ROW_NUMBER":"242605","DOCUMENT_NO":"220240240032","ACCIDENT_DT":"08/20/2023","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"Sandstone mixing with slate roof","sourceDate":"2023-08-20"},{"SOURCE_ROW_NUMBER":"143551","DOCUMENT_NO":"220240240029","ACCIDENT_DT":"07/31/2023","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"laminated sandstone mixing with slate roof","sourceDate":"2023-07-31"},{"SOURCE_ROW_NUMBER":"87639","DOCUMENT_NO":"220240240031","ACCIDENT_DT":"06/27/2023","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"Sandstone mixing with slate roof","sourceDate":"2023-06-27"},{"SOURCE_ROW_NUMBER":"190772","DOCUMENT_NO":"220240240036","ACCIDENT_DT":"06/05/2023","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"Sandstone coming down mixing with slate roof.","sourceDate":"2023-06-05"},{"SOURCE_ROW_NUMBER":"27483","DOCUMENT_NO":"220230090029","ACCIDENT_DT":"01/06/2023","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"FALL OF ROOF OR BACK","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"Area of roof unstable and working, was observed the area was dangered off with plans to re-bolts but before roof bolts machine could get to the area, a roof fall had occurred. MSHA notified and K order was issued.","sourceDate":"2023-01-06"},{"SOURCE_ROW_NUMBER":"165052","DOCUMENT_NO":"220223390015","ACCIDENT_DT":"11/21/2022","DEGREE_INJURY":"ACCIDENT ONLY","CLASSIFICATION":"INUNDATION","ACCIDENT_TYPE":"Accident type, without injuries","OCCUPATION":"NO VALUE FOUND","NO_INJURIES":"0","NARRATIVE":"Section was pillar mining at the time with old works 140 feet above the section, and apparently there was a mountain break 140 ft up to the old mine workings and the mine was flooded releasing that water down and into our Putney Darby Mine # 1.","sourceDate":"2022-11-21"},{"SOURCE_ROW_NUMBER":"5985","DOCUMENT_NO":"220223120010","ACCIDENT_DT":"10/17/2022","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall to the walkway or working surface","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"1","NARRATIVE":"Employee was servicing the miner setting bits when employee slipped on a muddy surface (incline) falling backwards onto right lower back. Employee stated back popped and pain started. The employee was transported to the local E.R.","sourceDate":"2022-10-17"},{"SOURCE_ROW_NUMBER":"255441","DOCUMENT_NO":"220222070050","ACCIDENT_DT":"07/18/2022","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE STATED THAT A ROCK WAS STUCK BETWEEN THE BLADE OF THE SCOOP AND BUCKET. EE WAS USING A 3 FEET LONG PRY BAR TO REMOVE THE ROCK.  WHEN THE ROCK CAME LOOSE THE WEIGHT OF THE BLADE DROPPED ONTO THE BAR, CAUSING THE BAR TO PIN EE'S FINGER BETWEEN THE BOTTOM OF THE SCOOP BUCKET AND THE BAR. EE RETURNED TO WORK ON LIGHT DUTY.","sourceDate":"2022-07-18"},{"SOURCE_ROW_NUMBER":"182285","DOCUMENT_NO":"220221880018","ACCIDENT_DT":"06/29/2022","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck against a moving object","OCCUPATION":"Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator","NO_INJURIES":"1","NARRATIVE":"EE STATED THAT EE WAS OPERATING THE SHUTTLE CAR, LEAVING THE MINER WHEN EE STRUCK EE'S HEAD ON THE CANOPY OF THE CAR CAUSING PAIN TO NECK AND BACK. EE CONTINUED TO WORK UNTIL 6:30 PM WHEN EE CAME OUTSIDE.  EE SAW THE DR. ON 6-30-22.  X-RAYS AND CT ARE NEGATIVE. EE IS NOW OFF WORK AND WAITING ON AN MRI TO BE PERFORMED FOR AN EVALUATION AND DIAGNOSIS.","sourceDate":"2022-06-29"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2025-01-09","lastDate":"2025-01-09","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":523,"firstDate":"2018-05-02","lastDate":"2024-09-05","metrics":{"ss":105,"delinquent":520,"recentRows":322,"paidPenalty":124649,"proposedPenalty":191622,"currentAssessment":185392},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2903007","VIOLATION_NO":"9772773","ISSUE_DT":"09/05/2024","CFR_STANDARD_CD":"49.16(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2024-09-05"},{"SOURCE_ROW_NUMBER":"2903006","VIOLATION_NO":"9772772","ISSUE_DT":"09/05/2024","CFR_STANDARD_CD":"75.320(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2024-09-05"},{"SOURCE_ROW_NUMBER":"2903018","VIOLATION_NO":"9773287","ISSUE_DT":"07/31/2024","CFR_STANDARD_CD":"75.1101-10","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2024-07-31"},{"SOURCE_ROW_NUMBER":"2903017","VIOLATION_NO":"9773286","ISSUE_DT":"07/31/2024","CFR_STANDARD_CD":"75.333(h)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2024-07-31"},{"SOURCE_ROW_NUMBER":"2903016","VIOLATION_NO":"9773285","ISSUE_DT":"07/28/2024","CFR_STANDARD_CD":"75.370(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"204.00","CURRENT_ASSESSMENT_AMT":"204.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2024-07-28"},{"SOURCE_ROW_NUMBER":"2903015","VIOLATION_NO":"9773284","ISSUE_DT":"07/25/2024","CFR_STANDARD_CD":"75.1103-8(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2024-07-25"},{"SOURCE_ROW_NUMBER":"2903014","VIOLATION_NO":"9773283","ISSUE_DT":"07/25/2024","CFR_STANDARD_CD":"75.1702","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2024-07-25"},{"SOURCE_ROW_NUMBER":"2903013","VIOLATION_NO":"9773282","ISSUE_DT":"07/25/2024","CFR_STANDARD_CD":"75.1504(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2024-07-25"},{"SOURCE_ROW_NUMBER":"2903012","VIOLATION_NO":"9773281","ISSUE_DT":"07/22/2024","CFR_STANDARD_CD":"75.1403","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2024-07-22"},{"SOURCE_ROW_NUMBER":"2903011","VIOLATION_NO":"9773280","ISSUE_DT":"07/22/2024","CFR_STANDARD_CD":"75.1714-6","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2024-07-22"},{"SOURCE_ROW_NUMBER":"2903010","VIOLATION_NO":"9773279","ISSUE_DT":"07/22/2024","CFR_STANDARD_CD":"75.1714-3(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2024-07-22"},{"SOURCE_ROW_NUMBER":"2903005","VIOLATION_NO":"9771130","ISSUE_DT":"07/15/2024","CFR_STANDARD_CD":"50.20-1","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2024-07-15"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":34,"firstDate":"2018-09-13","lastDate":"2025-03-19","metrics":{"appeals":0,"decisions":34,"recentRows":30,"decisionPenalty":35169,"originalPenalty":41517},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"453780","VIOLATION_NO":"9770894","DOCKET_NO":"KENT 2024-0068","DECISION_DT":"03/19/2025","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"7133.00","DECISION_PENALTY_AMT":"7133.00","JUDGE_FIRST_NAME":"John","JUDGE_LAST_NAME":"Lewis","sourceDate":"2025-03-19"},{"SOURCE_ROW_NUMBER":"458069","VIOLATION_NO":"9772551","DOCKET_NO":"KENT 2025-0001","DECISION_DT":"01/31/2025","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"861.00","DECISION_PENALTY_AMT":"861.00","JUDGE_FIRST_NAME":"Thomas","JUDGE_LAST_NAME":"McCarthy","sourceDate":"2025-01-31"},{"SOURCE_ROW_NUMBER":"217092","VIOLATION_NO":"9770965","DOCKET_NO":"KENT 2025-0001","DECISION_DT":"01/31/2025","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"8104.00","DECISION_PENALTY_AMT":"8104.00","JUDGE_FIRST_NAME":"Thomas","JUDGE_LAST_NAME":"McCarthy","sourceDate":"2025-01-31"},{"SOURCE_ROW_NUMBER":"217091","VIOLATION_NO":"4071960","DOCKET_NO":"KENT 2025-0001","DECISION_DT":"01/31/2025","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"626.00","DECISION_PENALTY_AMT":"626.00","JUDGE_FIRST_NAME":"Thomas","JUDGE_LAST_NAME":"McCarthy","sourceDate":"2025-01-31"},{"SOURCE_ROW_NUMBER":"455149","VIOLATION_NO":"9772392","DOCKET_NO":"KENT 2024-0109","DECISION_DT":"09/03/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"935.00","DECISION_PENALTY_AMT":"210.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2024-09-03"},{"SOURCE_ROW_NUMBER":"455148","VIOLATION_NO":"8223292","DOCKET_NO":"KENT 2024-0109","DECISION_DT":"09/03/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"736.00","DECISION_PENALTY_AMT":"736.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2024-09-03"},{"SOURCE_ROW_NUMBER":"455039","VIOLATION_NO":"9772395","DOCKET_NO":"KENT 2024-0109","DECISION_DT":"09/03/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"935.00","DECISION_PENALTY_AMT":"210.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2024-09-03"},{"SOURCE_ROW_NUMBER":"455038","VIOLATION_NO":"8223293","DOCKET_NO":"KENT 2024-0109","DECISION_DT":"09/03/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"1637.00","DECISION_PENALTY_AMT":"1637.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2024-09-03"},{"SOURCE_ROW_NUMBER":"455013","VIOLATION_NO":"8223298","DOCKET_NO":"KENT 2024-0109","DECISION_DT":"09/03/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"736.00","DECISION_PENALTY_AMT":"736.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2024-09-03"},{"SOURCE_ROW_NUMBER":"213236","VIOLATION_NO":"9772542","DOCKET_NO":"KENT 2024-0109","DECISION_DT":"09/03/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"935.00","DECISION_PENALTY_AMT":"935.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2024-09-03"},{"SOURCE_ROW_NUMBER":"453672","VIOLATION_NO":"9772469","DOCKET_NO":"KENT 2024-0069","DECISION_DT":"07/08/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"558.00","DECISION_PENALTY_AMT":"558.00","JUDGE_FIRST_NAME":"John","JUDGE_LAST_NAME":"Lewis","sourceDate":"2024-07-08"},{"SOURCE_ROW_NUMBER":"453471","VIOLATION_NO":"9772472","DOCKET_NO":"KENT 2024-0069","DECISION_DT":"07/08/2024","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"558.00","DECISION_PENALTY_AMT":"558.00","JUDGE_FIRST_NAME":"John","JUDGE_LAST_NAME":"Lewis","sourceDate":"2024-07-08"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":1451,"firstDate":"2018-06-06","lastDate":"2024-08-08","metrics":{"recentRows":684,"cpdmSamples":1240,"voidSamples":206,"validSamples":1245,"maxConcentration":2.874,"concentrationTotal":547.004},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2504158","SMP_TAKEN_DT":"8/8/2024","CONC":".038","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2024-08-08"},{"SOURCE_ROW_NUMBER":"2504588","SMP_TAKEN_DT":"8/7/2024","CONC":".21","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2024-08-07"},{"SOURCE_ROW_NUMBER":"2675939","SMP_TAKEN_DT":"8/6/2024","CONC":".168","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2024-08-06"},{"SOURCE_ROW_NUMBER":"2162072","SMP_TAKEN_DT":"8/5/2024","CONC":".146","SMP_TYPE_CD_DESC":"NON DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","DEVICE_TYPE_CD":"CPDM","sourceDate":"2024-08-05"},{"SOURCE_ROW_NUMBER":"2162348","SMP_TAKEN_DT":"8/2/2024","CONC":".351","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":"2024-08-02"},{"SOURCE_ROW_NUMBER":"1906283","SMP_TAKEN_DT":"8/1/2024","CONC":".266","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2024-08-01"},{"SOURCE_ROW_NUMBER":"2418252","SMP_TAKEN_DT":"7/31/2024","CONC":".199","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":"2024-07-31"},{"SOURCE_ROW_NUMBER":"1990515","SMP_TAKEN_DT":"7/30/2024","CONC":".142","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"INVALID PRODUCTION","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2024-07-30"},{"SOURCE_ROW_NUMBER":"2333418","SMP_TAKEN_DT":"7/29/2024","CONC":".215","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":"2024-07-29"},{"SOURCE_ROW_NUMBER":"1907396","SMP_TAKEN_DT":"7/26/2024","CONC":".263","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":"2024-07-26"},{"SOURCE_ROW_NUMBER":"1820736","SMP_TAKEN_DT":"7/25/2024","CONC":".209","SMP_TYPE_CD_DESC":"DESIGNATED OCCUPATION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"INVALID 30-SHIFT AVERAGE","OCC_CD_DESC":"CONTINUOUS MINER OPERATOR","DEVICE_TYPE_CD":"CPDM","sourceDate":"2024-07-25"},{"SOURCE_ROW_NUMBER":"2504164","SMP_TAKEN_DT":"7/24/2024","CONC":".272","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":"2024-07-24"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":21,"firstDate":"2018-07-09","lastDate":"2024-11-27","metrics":{"linkedIssuances":21},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":34,"firstDate":"2018-05-02","lastDate":"2024-05-23","metrics":{"decisions":34,"ssChanged":12,"recentRows":29,"decisionPenalty":35169,"proposedPenalty":41517},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"391881","CITATION_NO":"9770965","CITATION_ISSUE_DT":"05/23/2024","DOCKET_NO":"KENT 2025-0001","DECISION_DT":"01/31/2025","CFR_STANDARD_CODE":"75.362(b)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"8104.00","DECISION_PENALTY_AMT":"8104.00","sourceDate":"2024-05-23"},{"SOURCE_ROW_NUMBER":"108928","CITATION_NO":"4071960","CITATION_ISSUE_DT":"05/16/2024","DOCKET_NO":"KENT 2025-0001","DECISION_DT":"01/31/2025","CFR_STANDARD_CODE":"75.202(a)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"626.00","DECISION_PENALTY_AMT":"626.00","sourceDate":"2024-05-16"},{"SOURCE_ROW_NUMBER":"56548","CITATION_NO":"9772551","CITATION_ISSUE_DT":"03/26/2024","DOCKET_NO":"KENT 2025-0001","DECISION_DT":"01/31/2025","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"861.00","DECISION_PENALTY_AMT":"861.00","sourceDate":"2024-03-26"},{"SOURCE_ROW_NUMBER":"169518","CITATION_NO":"8223293","CITATION_ISSUE_DT":"03/01/2024","DOCKET_NO":"KENT 2024-0109","DECISION_DT":"09/03/2024","CFR_STANDARD_CODE":"77.512","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1637.00","DECISION_PENALTY_AMT":"1637.00","sourceDate":"2024-03-01"},{"SOURCE_ROW_NUMBER":"166557","CITATION_NO":"8223292","CITATION_ISSUE_DT":"03/01/2024","DOCKET_NO":"KENT 2024-0109","DECISION_DT":"09/03/2024","CFR_STANDARD_CODE":"77.512","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"736.00","DECISION_PENALTY_AMT":"736.00","sourceDate":"2024-03-01"},{"SOURCE_ROW_NUMBER":"113155","CITATION_NO":"8223298","CITATION_ISSUE_DT":"03/01/2024","DOCKET_NO":"KENT 2024-0109","DECISION_DT":"09/03/2024","CFR_STANDARD_CODE":"77.205(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"736.00","DECISION_PENALTY_AMT":"736.00","sourceDate":"2024-03-01"},{"SOURCE_ROW_NUMBER":"452637","CITATION_NO":"9772542","CITATION_ISSUE_DT":"02/28/2024","DOCKET_NO":"KENT 2024-0109","DECISION_DT":"09/03/2024","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"935.00","DECISION_PENALTY_AMT":"935.00","sourceDate":"2024-02-28"},{"SOURCE_ROW_NUMBER":"169578","CITATION_NO":"9772395","CITATION_ISSUE_DT":"02/14/2024","DOCKET_NO":"KENT 2024-0109","DECISION_DT":"09/03/2024","CFR_STANDARD_CODE":"75.1722(c)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"935.00","DECISION_PENALTY_AMT":"210.00","sourceDate":"2024-02-14"},{"SOURCE_ROW_NUMBER":"169151","CITATION_NO":"9772392","CITATION_ISSUE_DT":"02/14/2024","DOCKET_NO":"KENT 2024-0109","DECISION_DT":"09/03/2024","CFR_STANDARD_CODE":"75.1722(c)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"935.00","DECISION_PENALTY_AMT":"210.00","sourceDate":"2024-02-14"},{"SOURCE_ROW_NUMBER":"108195","CITATION_NO":"9772472","CITATION_ISSUE_DT":"11/29/2023","DOCKET_NO":"KENT 2024-0069","DECISION_DT":"07/08/2024","CFR_STANDARD_CODE":"75.202(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"558.00","DECISION_PENALTY_AMT":"558.00","sourceDate":"2023-11-29"},{"SOURCE_ROW_NUMBER":"447735","CITATION_NO":"9772469","CITATION_ISSUE_DT":"11/21/2023","DOCKET_NO":"KENT 2024-0069","DECISION_DT":"07/08/2024","CFR_STANDARD_CODE":"75.202(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"558.00","DECISION_PENALTY_AMT":"558.00","sourceDate":"2023-11-21"},{"SOURCE_ROW_NUMBER":"108051","CITATION_NO":"9770901","CITATION_ISSUE_DT":"11/02/2023","DOCKET_NO":"KENT 2024-0069","DECISION_DT":"07/08/2024","CFR_STANDARD_CODE":"75.400","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1350.00","DECISION_PENALTY_AMT":"674.00","sourceDate":"2023-11-02"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":150,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":4,"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":45,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":4,"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":3,"firstDate":"2018-02-28","lastDate":"2025-06-25","metrics":{"recentRows":2,"currentOperatorTenures":2,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":109,"firstDate":"2018-04-04","lastDate":"2026-08-31","metrics":{"inspectors":342,"recentRows":70,"onSiteHours":5045.75,"inspectionHours":7958,"inspectionSamples":202},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"672033","EVENT_NO":"F02B8B2","INSPECTION_BEGIN_DT":"08/31/2026","INSPECTION_END_DT":"08/31/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2026-08-31"},{"SOURCE_ROW_NUMBER":"945212","EVENT_NO":"F003CF1","INSPECTION_BEGIN_DT":"04/30/2026","INSPECTION_END_DT":"04/30/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2026-04-30"},{"SOURCE_ROW_NUMBER":"458025","EVENT_NO":"F006B01","INSPECTION_BEGIN_DT":"02/25/2026","INSPECTION_END_DT":"02/25/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2026-02-25"},{"SOURCE_ROW_NUMBER":"574055","EVENT_NO":"F003CDE","INSPECTION_BEGIN_DT":"12/02/2025","INSPECTION_END_DT":"12/02/2025","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2025-12-02"},{"SOURCE_ROW_NUMBER":"145630","EVENT_NO":"F003CD5","INSPECTION_BEGIN_DT":"07/28/2025","INSPECTION_END_DT":"07/28/2025","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2025-07-28"},{"SOURCE_ROW_NUMBER":"897811","EVENT_NO":"F000DFC","INSPECTION_BEGIN_DT":"04/02/2025","INSPECTION_END_DT":"04/08/2025","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2025-04-02"},{"SOURCE_ROW_NUMBER":"755968","EVENT_NO":"F000DEF","INSPECTION_BEGIN_DT":"01/06/2025","INSPECTION_END_DT":"01/27/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2025-01-06"},{"SOURCE_ROW_NUMBER":"387098","EVENT_NO":"7021397","INSPECTION_BEGIN_DT":"10/01/2024","INSPECTION_END_DT":"10/22/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"33","SUM_TOTAL_ON_SITE_HOURS":"17","sourceDate":"2024-10-01"},{"SOURCE_ROW_NUMBER":"265555","EVENT_NO":"F006AE1","INSPECTION_BEGIN_DT":"09/25/2024","INSPECTION_END_DT":"09/25/2024","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.75","SUM_TOTAL_ON_SITE_HOURS":"2.75","sourceDate":"2024-09-25"},{"SOURCE_ROW_NUMBER":"309","EVENT_NO":"7045426","INSPECTION_BEGIN_DT":"08/08/2024","INSPECTION_END_DT":"09/19/2024","ACTIVITY_CODE":"E08","ACTIVITY":"Non-Injury Accident Investigation","NBR_INSPECTOR":"7","SUM_TOTAL_INSP_HOURS":"115.75","SUM_TOTAL_ON_SITE_HOURS":"71","sourceDate":"2024-08-08"},{"SOURCE_ROW_NUMBER":"342355","EVENT_NO":"F000369","INSPECTION_BEGIN_DT":"07/01/2024","INSPECTION_END_DT":"09/11/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"8","SUM_TOTAL_INSP_HOURS":"157.75","SUM_TOTAL_ON_SITE_HOURS":"92.75","sourceDate":"2024-07-01"},{"SOURCE_ROW_NUMBER":"833389","EVENT_NO":"7021489","INSPECTION_BEGIN_DT":"06/26/2024","INSPECTION_END_DT":"06/26/2024","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2024-06-26"}]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":26,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2018":{"hours":76715,"employees":50,"production":249252},"2019":{"hours":187614,"employees":72,"production":553818},"2020":{"hours":88700,"employees":41,"production":256652},"2021":{"hours":108138,"employees":49,"production":368563},"2022":{"hours":116441,"employees":50,"production":351956},"2023":{"hours":118941,"employees":55,"production":229639},"2024":{"hours":75734,"employees":38,"production":119148},"2025":{"hours":838,"employees":6,"production":0},"2026":{"hours":180,"employees":1,"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":142,"firstDate":"2018-06-06","lastDate":"2024-06-13","metrics":{"recentRows":83,"doseOver100":28,"actDoseTotal":9091,"pelDoseTotal":5608},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"114110","EVENT_NO":"F00035E","SURVEY_DATE":"06/13/2024","OCCUPATION_CD_DESC":"FORKLIFT OPERATOR","MACHINE_CD":"17","ACT_DOSE_85":"12","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2024-06-13"},{"SOURCE_ROW_NUMBER":"114109","EVENT_NO":"F00035E","SURVEY_DATE":"06/13/2024","OCCUPATION_CD_DESC":"DISPATCHER","MACHINE_CD":"40","ACT_DOSE_85":"5","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2024-06-13"},{"SOURCE_ROW_NUMBER":"114108","EVENT_NO":"F00035E","SURVEY_DATE":"06/13/2024","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","ACT_DOSE_85":"32","PEL_DOSE_90":"6","SURVEY_TYPE":"I","sourceDate":"2024-06-13"},{"SOURCE_ROW_NUMBER":"114107","EVENT_NO":"F00035E","SURVEY_DATE":"05/08/2024","OCCUPATION_CD_DESC":"SECTION FOREMAN","MACHINE_CD":"40","ACT_DOSE_85":"42","PEL_DOSE_90":"8","SURVEY_TYPE":"I","sourceDate":"2024-05-08"},{"SOURCE_ROW_NUMBER":"114106","EVENT_NO":"F00035E","SURVEY_DATE":"05/08/2024","OCCUPATION_CD_DESC":"MECHANIC","MACHINE_CD":"40","ACT_DOSE_85":"44","PEL_DOSE_90":"22","SURVEY_TYPE":"I","sourceDate":"2024-05-08"},{"SOURCE_ROW_NUMBER":"114105","EVENT_NO":"F00035E","SURVEY_DATE":"05/08/2024","OCCUPATION_CD_DESC":"SCOOP CAR OPERATOR","MACHINE_CD":"40","ACT_DOSE_85":"32","PEL_DOSE_90":"14","SURVEY_TYPE":"I","sourceDate":"2024-05-08"},{"SOURCE_ROW_NUMBER":"114104","EVENT_NO":"F00035E","SURVEY_DATE":"05/08/2024","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","ACT_DOSE_85":"47","PEL_DOSE_90":"33","SURVEY_TYPE":"I","sourceDate":"2024-05-08"},{"SOURCE_ROW_NUMBER":"114103","EVENT_NO":"F00035E","SURVEY_DATE":"05/08/2024","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","MACHINE_CD":"37","ACT_DOSE_85":"55","PEL_DOSE_90":"32","SURVEY_TYPE":"I","sourceDate":"2024-05-08"},{"SOURCE_ROW_NUMBER":"114096","EVENT_NO":"7036175","SURVEY_DATE":"01/11/2024","OCCUPATION_CD_DESC":"SECTION FOREMAN","MACHINE_CD":"40","ACT_DOSE_85":"40","PEL_DOSE_90":"13","SURVEY_TYPE":"I","sourceDate":"2024-01-11"},{"SOURCE_ROW_NUMBER":"114095","EVENT_NO":"7036175","SURVEY_DATE":"01/11/2024","OCCUPATION_CD_DESC":"MECHANIC","MACHINE_CD":"40","ACT_DOSE_85":"38","PEL_DOSE_90":"11","SURVEY_TYPE":"I","sourceDate":"2024-01-11"},{"SOURCE_ROW_NUMBER":"114094","EVENT_NO":"7036175","SURVEY_DATE":"01/11/2024","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (STANDARD SIDE)","MACHINE_CD":"37","ACT_DOSE_85":"49","PEL_DOSE_90":"17","SURVEY_TYPE":"I","sourceDate":"2024-01-11"},{"SOURCE_ROW_NUMBER":"114093","EVENT_NO":"7036175","SURVEY_DATE":"01/11/2024","OCCUPATION_CD_DESC":"SHUTTLE CAR OPERATOR (OFF STANDARD)","MACHINE_CD":"37","ACT_DOSE_85":"56","PEL_DOSE_90":"29","SURVEY_TYPE":"I","sourceDate":"2024-01-11"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":51,"firstDate":"2018-06-06","lastDate":"2024-05-08","metrics":{"recentRows":24,"voidSamples":0,"maxQuartzPct":11.5,"validSamples":51,"quartzPctTotal":256.1},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"128954","CASSETTE_NO":"58484815","SAMPLE_DT":"05/08/2024","QUARTZ_PCT":"06.9","QUARTZ_MICROGRAMS":"11","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2024-05-08"},{"SOURCE_ROW_NUMBER":"129296","CASSETTE_NO":"58466995","SAMPLE_DT":"01/11/2024","QUARTZ_PCT":"05.8","QUARTZ_MICROGRAMS":"7","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2024-01-11"},{"SOURCE_ROW_NUMBER":"68009","CASSETTE_NO":"58467158","SAMPLE_DT":"01/11/2024","QUARTZ_PCT":"06.5","QUARTZ_MICROGRAMS":"12","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2024-01-11"},{"SOURCE_ROW_NUMBER":"47220","CASSETTE_NO":"58467173","SAMPLE_DT":"01/11/2024","QUARTZ_PCT":"02.6","QUARTZ_MICROGRAMS":"6","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2024-01-11"},{"SOURCE_ROW_NUMBER":"45223","CASSETTE_NO":"58467407","SAMPLE_DT":"11/16/2023","QUARTZ_PCT":"06.1","QUARTZ_MICROGRAMS":"18","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-11-16"},{"SOURCE_ROW_NUMBER":"124602","CASSETTE_NO":"58464850","SAMPLE_DT":"08/02/2023","QUARTZ_PCT":"01.6","QUARTZ_MICROGRAMS":"6","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-08-02"},{"SOURCE_ROW_NUMBER":"132706","CASSETTE_NO":"58464424","SAMPLE_DT":"04/14/2023","QUARTZ_PCT":"02.5","QUARTZ_MICROGRAMS":"7","OCC_CODE_DESC":"OCCUPATION CODE NOT FOUND","SAMPLE_TYPE_DESC":"DESIGNATED AREA","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-04-14"},{"SOURCE_ROW_NUMBER":"124497","CASSETTE_NO":"58464385","SAMPLE_DT":"04/14/2023","QUARTZ_PCT":"03.5","QUARTZ_MICROGRAMS":"5","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-04-14"},{"SOURCE_ROW_NUMBER":"116567","CASSETTE_NO":"58464781","SAMPLE_DT":"04/14/2023","QUARTZ_PCT":"07.5","QUARTZ_MICROGRAMS":"24","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-04-14"},{"SOURCE_ROW_NUMBER":"51602","CASSETTE_NO":"58464497","SAMPLE_DT":"02/09/2023","QUARTZ_PCT":"06.8","QUARTZ_MICROGRAMS":"9","OCC_CODE_DESC":"ROOF BOLTER (TWIN HEAD) (RETURN SIDE)","SAMPLE_TYPE_DESC":"NON DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-02-09"},{"SOURCE_ROW_NUMBER":"7504","CASSETTE_NO":"58464825","SAMPLE_DT":"02/09/2023","QUARTZ_PCT":"05.5","QUARTZ_MICROGRAMS":"13","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2023-02-09"},{"SOURCE_ROW_NUMBER":"129794","CASSETTE_NO":"58439529","SAMPLE_DT":"11/18/2022","QUARTZ_PCT":"05.3","QUARTZ_MICROGRAMS":"11","OCC_CODE_DESC":"CONTINUOUS MINER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED OCCUPATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2022-11-18"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":547,"firstDate":"2018-05-02","lastDate":"2024-09-05","metrics":{"ss":105,"amountDue":185392,"contested":0,"amountPaid":124649,"recentRows":337,"section104d":0,"unterminated":2,"proposedPenalty":191622},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1199667","VIOLATION_NO":"9772773","VIOLATION_ISSUE_DT":"09/05/2024","SIG_SUB":"N","PART_SECTION":"49.16(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"09/11/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2024-09-05"},{"SOURCE_ROW_NUMBER":"1199666","VIOLATION_NO":"9772772","VIOLATION_ISSUE_DT":"09/05/2024","SIG_SUB":"N","PART_SECTION":"75.320(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/11/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2024-09-05"},{"SOURCE_ROW_NUMBER":"1199744","VIOLATION_NO":"8409771","VIOLATION_ISSUE_DT":"08/08/2024","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"09/18/2024","CONTESTED_IND":"N","sourceDate":"2024-08-08"},{"SOURCE_ROW_NUMBER":"1199678","VIOLATION_NO":"9773287","VIOLATION_ISSUE_DT":"07/31/2024","SIG_SUB":"N","PART_SECTION":"75.1101-10","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/05/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2024-07-31"},{"SOURCE_ROW_NUMBER":"1199677","VIOLATION_NO":"9773286","VIOLATION_ISSUE_DT":"07/31/2024","SIG_SUB":"N","PART_SECTION":"75.333(h)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/05/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2024-07-31"},{"SOURCE_ROW_NUMBER":"1199676","VIOLATION_NO":"9773285","VIOLATION_ISSUE_DT":"07/28/2024","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":"07/28/2024","PROPOSED_PENALTY":"204","AMOUNT_DUE":"204","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2024-07-28"},{"SOURCE_ROW_NUMBER":"1199675","VIOLATION_NO":"9773284","VIOLATION_ISSUE_DT":"07/25/2024","SIG_SUB":"N","PART_SECTION":"75.1103-8(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/28/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2024-07-25"},{"SOURCE_ROW_NUMBER":"1199674","VIOLATION_NO":"9773283","VIOLATION_ISSUE_DT":"07/25/2024","SIG_SUB":"N","PART_SECTION":"75.1702","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/31/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2024-07-25"},{"SOURCE_ROW_NUMBER":"1199673","VIOLATION_NO":"9773282","VIOLATION_ISSUE_DT":"07/25/2024","SIG_SUB":"N","PART_SECTION":"75.1504(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/31/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2024-07-25"},{"SOURCE_ROW_NUMBER":"1199672","VIOLATION_NO":"9773281","VIOLATION_ISSUE_DT":"07/22/2024","SIG_SUB":"N","PART_SECTION":"75.1403","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/23/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2024-07-22"},{"SOURCE_ROW_NUMBER":"1199671","VIOLATION_NO":"9773280","VIOLATION_ISSUE_DT":"07/22/2024","SIG_SUB":"N","PART_SECTION":"75.1714-6","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/23/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2024-07-22"},{"SOURCE_ROW_NUMBER":"1199670","VIOLATION_NO":"9773279","VIOLATION_ISSUE_DT":"07/22/2024","SIG_SUB":"N","PART_SECTION":"75.1714-3(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/22/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2024-07-22"}]}],"safety":{"href":"/api/v1/mines/1519827/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1519827/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":{"averageEmployees":38,"companyType":"Operating Subsidiary","components":[{"averageEmployees":38,"laborHours":75734,"mineType":"Underground","productionTons":119148}],"county":"Harlan","laborHours":75734,"mineName":"Putney Darby Mine #1","mineType":"Underground","mshaId":"1519827","operatingAddress":"966 Route 990, Coalgood, KY 40818","operatingCompany":"101 Coal Inc.","operationType":"Mine only","productionTons":119148,"reportedRows":1,"sourceUrl":"https://www.eia.gov/coal/data/public/xls/coalpublic2024.xlsx","state":"Kentucky (East)","status":"Temporarily closed","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","heading":"Equipment and maintenance requirements.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-49/subpart-B/section-49.16","part":"49","subchapter":"H","subpart":"B","id":"49.16","citation":"30 CFR 49.16","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 49—MINE RESCUE TEAMS","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Air quality detectors and measurement devices.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.320","part":"75","subchapter":"O","subpart":"D","id":"75.320","citation":"30 CFR 75.320","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 75.1101-10","heading":"Water sprinkler systems; fire warning devices at belt drives.","id":"75.1101-10","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1101-10","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"Each water sprinkler system shall be equipped with a device designed to stop the belt drive in the event of a rise in temperature and each such warning device shall be capable of giving both an audible and visual warning when a fire occurs.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.333","heading":"Ventilation controls.","id":"75.333","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333","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) For purposes of this section, “doors” include any door frames.\n\n(b) Permanent stoppings or other permanent ventilation control devices constructed after November 15, 1992, shall be built and maintained—\n\n(1) Between intake and return air courses, except temporary controls may be used in rooms that are 600 feet or less from the centerline of the entry from which the room was developed including where continuous face haulage systems are used in such rooms. Unless otherwise approved in the ventilation plan, these stoppings or controls shall be maintained to and including the third connecting crosscut outby the working face;\n\n(2) To separate belt conveyor haulageways from return air courses, except where belt entries in areas of mines developed before March 30, 1970, are used as return air courses;\n\n(3) To separate belt conveyor haulageways from intake air courses when the air in the intake air courses is used to provide air to active working places. Temporary ventilation controls may be used in rooms that are 600 feet or less from the centerline of the entry from which the rooms were developed including where continuous face haulage systems are used in such rooms. When continuous face haulage systems are used, permanent stoppings or other permanent ventilation control devices shall be built and maintained to the outby most point of travel of the dolly or 600 feet from the point of deepest penetration in the conveyor belt entry, whichever distance is closer to the point of deepest penetration, to separate the continuous haulage entry from the intake entries;\n\n(4) To separate the primary escapeway from belt and trolley haulage entries, as required by § 75.380(g). For the purposes of § 75.380(g), the loading point for a continuous haulage system shall be the outby most point of travel of the dolly or 600 feet from the point of deepest penetration, whichever distance is less; and\n\n(5) In return air courses to direct air into adjacent worked-out areas.\n\n(c) Personnel doors shall be constructed of noncombustible material and shall be of sufficient strength to serve their intended purpose of maintaining separation and permitting travel between air courses, and shall be installed as follows in permanent stoppings constructed after November 15, 1992:\n\n(1) The distance between personnel doors shall be no more than 300 feet in seam heights below 48 inches and 600 feet in seam heights 48 inches or higher.\n\n(2) The location of all personnel doors in stoppings along escapeways shall be clearly marked so that the doors may be easily identified by anyone traveling in the escapeway and in the entries on either side of the doors.\n\n(3) When not in use, personnel doors shall be closed.\n\n(4) An airlock shall be established where the air pressure differential between air courses creates a static force exceeding 125 pounds on closed personnel doors along escapeways.\n\n(d) Doors, other than personnel doors, constructed after November 15, 1992, that are used in lieu of permanent stoppings or to control ventilation within an air course shall be:\n\n(1) Made of noncombustible material or coated on all accessible surfaces with flame-retardant materials having a flame-spread index of 25 or less, as tested under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(2) Of sufficient strength to serve their intended purpose of maintaining separation and permitting travel between or within air courses or entries.\n\n(3) Installed in pairs to form an airlock. When an airlock is used, one side of the airlock shall remain closed. When not in use, both sides shall be closed.\n\n(e)(1)(i) Except as provided in paragraphs (e)(2), (3), and (4) of this section, all overcasts, undercasts, shaft partitions, permanent stoppings, and regulators, installed after June 10, 1996, shall be constructed in a traditionally accepted method and of materials that have been demonstrated to perform adequately or in a method and of materials that have been tested and shown to have a minimum strength equal to or greater than the traditionally accepted in-mine controls. Tests may be performed under ASTM E72-80, “Standard Methods of Conducting Strength Tests of Panels for Building Construction” (Section 12-Transverse Load-Specimen Vertical, load, only), or the operator may conduct comparative in-mine tests. In-mine tests shall be designed to demonstrate the comparative strength of the proposed construction and a traditionally accepted in-mine control. The publication ASTM E72-80, “Standard Methods of Conducting Strength Tests of Panels for Building Construction,” is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(ii) All overcasts, undercasts, shaft partitions, permanent stoppings, and regulators, installed after November 15, 1992, shall be constructed of noncombustible material. Materials that are suitable for the construction of overcasts, undercasts, shaft partitions, permanent stoppings, and regulators include concrete, concrete block, brick, cinder block, tile, or steel. No ventilation controls installed after November 15, 1992, shall be constructed of aluminum.\n\n(2) In anthracite mines, permanent stoppings may be constructed of overlapping layers of hardwood mine boards, if the stoppings are a minimum 2 inches thick.\n\n(3) When timbers are used to create permanent stoppings in heaving or caving areas, the stoppings shall be coated on all accessible surfaces with a flame-retardant material having a flame-spread index of 25 or less, as tested under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(4) In anthracite mines, doors and regulators may be constructed of overlapping layers of hardwood boards, if the doors, door frames, and regulators are a minimum 2 inches thick.\n\n(f) When sealants are applied to ventilation controls, the sealant shall have a flame-spread index of 25 or less under ASTM E162-87, “Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source.” This publication is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office, or at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; and at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. In addition, copies of the document can be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959; 610-832-9500; http://www.astm.org. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.\n\n(g) Before mining is discontinued in an entry or room that is advanced more than 20 feet from the inby rib, a crosscut shall be made or line brattice shall be installed and maintained to provide adequate ventilation. When conditions such as methane liberation warrant a distance less than 20 feet, the approved ventilation plan shall specify the location of such rooms or entries and the maximum distance they will be developed before a crosscut is made or line brattice is installed.\n\n(h) All ventilation controls, including seals, shall be maintained to serve the purpose for which they were built.\n\n[61 FR 9829, Mar. 11, 1996; 61 FR 20877, May 8, 1996; 61 FR 26442, May 28, 1996; 61 FR 29288, 29289, June 10, 1996, as amended at 67 FR 38386, June 4, 2002; 71 FR 16668, Apr. 3, 2006; 73 FR 80612, Dec. 31, 2008; 80 FR 52991, Sept. 2, 2015; 91 FR 9448, Feb. 26, 2026]","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":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 75.1103-8","heading":"Automatic fire sensor and warning device systems; examination and test requirements.","id":"75.1103-8","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1103-8","part":"75","partHeading":"PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"(a) Automatic fire sensor and warning device systems shall be examined at least once each shift when belts are operated as part of a production shift. A functional test of the warning signals shall be made at least once every seven days. Examination and maintenance of such systems shall be by a qualified person.\n\n(b) A record of the functional test conducted in accordance with paragraph (a) of this section shall be maintained by the operator and kept for a period of one year.\n\n(c) Sensors shall be calibrated in accordance with the manufacturer's calibration instructions at intervals not to exceed 31 days. A record of the sensor calibrations shall be maintained by the operator and kept for a period of one year.\n\n[73 FR 80615, Dec. 31, 2008]","occurrenceCount":1},{"chapter":"I","heading":"Smoking; prohibition.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1702","part":"75","subchapter":"O","subpart":"R","id":"75.1702","citation":"30 CFR 75.1702","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":"Mine emergency evacuation training and drills.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-P/section-75.1504","part":"75","subchapter":"O","subpart":"P","id":"75.1504","citation":"30 CFR 75.1504","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 75.1403","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 75.1714-6","heading":"Emergency tethers.","id":"75.1714-6","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-6","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":"At least one tether, which is a durable rope or equivalent material designed to permit members of a mine crew to link together while evacuating the mine during an emergency, shall be provided and stored with the additional SCSRs on the fixed work location and on the mobile equipment required in §§ 75.1714-4(a)(1) and (b) of this part.\n\n[71 FR 71454, Dec. 8, 2006]","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1519827","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}